How popular is the baby name Fionn in the United States right now? How popular was it historically? Use the popularity graph and data table below to find out! Plus, see all the blog posts that mention the name Fionn.

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Popularity of the baby name Fionn


Posts that mention the name Fionn

Popular baby names in Northern Ireland (UK), 2023

Flag of the United Kingdom
Flag of the United Kingdom

Northern Ireland — which was partitioned from the rest of Ireland more than a century ago — is a constituent country of the United Kingdom (along with England, Scotland, and Wales).

What were the most popular baby names in Northern Ireland last year? Isla and Noah.

Here are the Northern Ireland’s top 50 girl names and top 50+ boy names of 2023:

Girl names

  1. Isla, 147 baby girls – pronounced IE-la
  2. Fiadh, 138 – pronounced FEE-a
  3. Grace, 137
  4. Emily, 136
  5. Olivia, 126
  6. Lily, 108
  7. Ella, 97
  8. Aoife, 94 – pronounced EE-fa
  9. Amelia, 92
  10. Freya, 90
  11. Charlotte, 87
  12. Annie, 84 (tie)
  13. Sophie, 84 (tie)
  14. Anna, 83
  15. Eabha, 79 – pronounced EY-va
  16. Ellie, 77
  17. Sophia, 76
  18. Evie, 74
  19. Ava, 73
  20. Maisie, 70
  21. Clodagh, 66 – pronounced KLOH-da
  22. Mia, 63 (tie)
  23. Sadie, 63 (tie)
  24. Rosie, 62 (tie)
  25. Ruby, 62 (tie)
  26. Ivy, 60
  27. Molly, 59
  28. Cara, 57 (4-way tie)
  29. Elsie, 57 (4-way tie)
  30. Lottie, 57 (4-way tie)
  31. Meabh, 57 (4-way tie) – pronounced mayv
  32. Zara, 56
  33. Aria, 54
  34. Erin, 53
  35. Ada, 52
  36. Hannah, 51
  37. Saoirse, 50 – pronounced SEER-sha or SAYR-sha
  38. Bonnie, 48
  39. Cora, 47 (4-way tie)
  40. Isabella, 47 (4-way tie)
  41. Lucy, 47 (4-way tie)
  42. Phoebe, 47 (4-way tie)
  43. Katie, 46 (tie)
  44. Niamh, 46 (tie) – pronounced neev or NEE-iv
  45. Rhea, 45 (tie)
  46. Willow, 45 (tie)
  47. Rose, 44
  48. Sofia, 42
  49. Daisy, 41 (tie)
  50. Sienna, 41 (tie)

Boy names

  1. Noah, 152 baby boys
  2. Jack, 146
  3. James, 131
  4. Cillian, 128 – pronounced KIL-ee-an
  5. Charlie, 123
  6. Leo, 119
  7. Oisin, 116 – pronounced UH-sheen or OH-sheen
  8. Oliver, 114
  9. Luca, 108 (tie)
  10. Theo, 108 (tie)
  11. Tommy, 105
  12. Thomas, 103
  13. Jude, 93
  14. Arthur, 91
  15. Alfie, 85
  16. Daniel, 84
  17. Daithi, 82 – pronounced DAH-hee
  18. Harry, 77
  19. Ethan, 74
  20. Caleb, 73
  21. Finn, 71
  22. Henry, 70
  23. Ezra, 67 (tie)
  24. Jacob, 67 (tie)
  25. George, 66 (tie)
  26. Oscar, 66 (tie)
  27. Archie, 64 (3-way tie)
  28. Isaac, 64 (3-way tie)
  29. Ollie, 64 (3-way tie)
  30. Ronan, 63
  31. Lorcan, 62
  32. Reuben, 61 (tie)
  33. Shea, 61 (tie)
  34. Fionn, 60 (tie)
  35. Rory, 60 (tie)
  36. Darragh, 59
  37. Rian, 57
  38. Conor, 55 (tie)
  39. Freddie, 55 (tie)
  40. Arlo, 53 (tie)
  41. Patrick, 53 (tie)
  42. Luke, 52 (tie)
  43. Tom, 52 (tie)
  44. Jonah, 51 (tie)
  45. Odhran, 51 (tie) – pronounced OH-rawn
  46. Joshua, 50
  47. Max, 49 (tie)
  48. Theodore, 49 (tie)
  49. Michael, 47
  50. Mason, 46 (tie)
  51. Teddy, 46 (tie)

The names that qualified as the “top climbers” of 2023 were…

  • Rebecca, Rhea, Aurora, and Raya (for girls), and
  • Leon, Donnacha, Albie, and Seth (for boys).

And here’s a selection of uncommon names that were given to just three babies each:

Rare girl namesRare boy names
Aizal, Blathnaid, Colleen, Dianaimh, Everly, Georgina, Helen, Ivie, Juniper, Keeley, Laney, Meabha, Neala, Orlagh, Paisley, Searlaith, Tillie, Vera, YasmineAngus, Barney, Connlan, Darren, Ewan, Finbarr, Gearoid, Hamish, Jameson, Kieran, Lughan, Milan, Ned, Orhan, Paraic, Ruaidhri, Scott, Tate, Zayn

What about middle names? The top picks for the middle spot were…

  • Rose, Grace, Mary, Elizabeth, and Marie (for girls), and
  • James, John, Patrick, William, and Thomas (for boys).

Finally, here are Northern Ireland’s 2022 rankings, if you’d like to compare last year to the year before.

Source: Baby Names 2023 | Northern Ireland Statistics and Research Agency

Image: Adapted from Flag of the United Kingdom (public domain)

Popular baby names in Ireland, 2023

Flag of Ireland
Flag of Ireland

Last year, the Republic of Ireland — which covers five-sixths of the island of Ireland — welcomed roughly 55,000 babies.

What were the most popular names among these babies? Grace and Jack.

Here are Ireland’s top 50 girl names and top 50 boy names of 2023:

Girl Names

  1. Grace, 339 baby girls
  2. Fiadh (pronounced FEE-a), 300
  3. Emily, 297
  4. Sophie, 283
  5. Lily, 270
  6. Ellie, 252
  7. Mia, 242
  8. Amelia, 241 (tie)
  9. Éabha (pronounced EY-va), 241 (tie)
  10. Ella, 231
  11. Isla, 227
  12. Hannah, 226
  13. Sophia, 218
  14. Lucy, 214
  15. Ava, 207
  16. Sadie, 200
  17. Olivia, 199
  18. Freya, 188
  19. Emma, 183
  20. Chloe, 181
  21. Robyn, 180
  22. Molly, 176
  23. Anna, 166 (tie)
  24. Croía (pronounced KREE-a), 166 (tie)
  25. Evie, 165
  26. Caoimhe (pronounced KEE-va or KWEE-va), 158
  27. Saoirse (pronounced SEER-sha or SAYR-sha), 157 (tie)
  28. Cara, 157 (tie)
  29. Sofia, 156
  30. Millie, 150
  31. Aoife (pronounced EE-fa), 148
  32. Isabelle, 132
  33. Bonnie, 130
  34. Maya, 128 (tie)
  35. Ada, 128 (tie)
  36. Róisín (pronounced ROH-sheen), 127
  37. Ruby, 126
  38. Kate, 123 (tie)
  39. Alice, 123 (tie)
  40. Holly, 120 (3-way tie)
  41. Erin, 120 (3-way tie)
  42. Sadhbh (pronounced siev; rhymes with “5”), 120 (3-way tie)
  43. Leah, 119
  44. Isabella, 118 (3-way tie)
  45. Ailbhe (pronounced AL-va), 118 (3-way tie)
  46. Méabh (pronounced mayv), 118 (3-way tie)
  47. Zoe, 115
  48. Annie, 112
  49. Ivy, 111
  50. Willow, 110

Boy Names

  1. Jack, 561 baby boys
  2. Noah, 473
  3. James, 369
  4. Rían (pronounced REE-an), 339
  5. Oisín (pronounced UH-sheen or OH-sheen), 330
  6. Fionn (pronounced fyun or fyoon), 306
  7. Tadhg (pronounced tieg, like the first part of “tiger”), 301
  8. Liam, 289
  9. Cillian (pronounced KIL-ee-an), 275
  10. Daniel, 256
  11. Finn, 251
  12. Conor, 244 (tie)
  13. Charlie, 244 (tie)
  14. Seán (pronounced shawn), 240
  15. Michael, 239
  16. Leo, 237
  17. Theo, 233
  18. Thomas, 227
  19. Patrick, 221
  20. Luke, 215
  21. Tommy, 214
  22. Oliver, 211
  23. Adam, 201
  24. Harry, 198
  25. Luca, 197
  26. Darragh, 195
  27. Alex, 175
  28. Bobby, 157
  29. Cian (pronounced KEE-an or keen), 156
  30. Oscar, 154
  31. John, 152 (tie)
  32. Max, 152 (tie)
  33. Ryan, 151
  34. Páidí (pronounced PAW-dee), 150
  35. Jamie, 149
  36. Ben, 147
  37. Kai, 141 (tie)
  38. Ollie, 141 (tie)
  39. Tom, 135
  40. Matthew, 134
  41. Dylan, 132
  42. Callum, 131
  43. Sonny, 130
  44. Sam, 129
  45. Ethan, 127 (tie)
  46. Alfie, 127 (tie)
  47. David, 122
  48. Alexander, 118
  49. Mason, 116
  50. Caelan, 114

New to the girls’ top 100 were Lucia, Cadhla (pronounced KIE-la) and Síofra (pronounced SHEE-fra).

New to the boys’ top 100 were Caelan, Jude, Paddy, Éanna (pronounced EY-na) and Dáithí (pronounced DAH-hee).

The fastest-rising names in the top 100 in terms of numbers of babies were:

  • Éala (increased by 41 baby girls), Ailbhe (+40), Méabh (+36), Zara (+33), Croía (+26)
  • Caelan (increased by 58 baby boys), Páidí (+41), Arlo (+35), Tommy (+30), Mark (+28)

And the fastest-rising names in terms of rank were:

  • Síofra (rose 57 spots on the girls’ list), Lucia (+43), Éala (+38), Lottie (+36), Zara (+31)
  • Caelan (rose 58 spots on the boys’ list), Mark (+46), Ruairí (+41), Eoin (+37), Arlo (+31)
Map of the four provinces of Ireland
Ireland’s four provinces

Home to more than five million people, the Republic of Ireland is divided into four provinces. (One of these provinces, Ulster, lies largely within Northern Ireland, which is part of the UK.) The top baby names within each of the four provinces last year were…

Top Girl NameTop Boy Name
Leinster
(56% of the population)
GraceJack
Munster
(27% of pop.)
GraceJack
Connacht
(11% of pop.)
FiadhJack
Ulster [ROI portion]
(6% of pop.)
LilyJack

And what about the baby names at the other end of the spectrum?

Here’s a selection of the names that were given to just 3 babies each in Ireland last year:

Rare Girl NamesRare Boy Names
Adara, Brídín, Cushla, Dottie, Eilidh, Féile, Gillian, Hezlin, Iona, Jolene, Kalina, Lorna, Maliha, Natasha, Ocean, Philomena, Ríonach, Saffie, Tuiren, Vedika, Yasmine, ZadieAlby, Bram, Conal, Douglas, Elvis, Finnian, Gerald, Igor, Jonnie, Keenan, Lughaidh, Maitiú, Nathanael, Orin, Patryk, Rylan, Séadhna, Téidí, Ultán, Viktor, Wren, Yohan, Zachariah

Finally, here are Ireland’s 2022 rankings, if you’d like to compare last year to the year before.

Sources: Irish Babies’ Names – CSO (Irish Babies’ Names 2023), Births, Deaths and Marriages – CSO, Provinces of Ireland – Wikipedia

Image: Adapted from Flag of Ireland (public domain)
Map: Adapted from Provinces of Ireland location map by Ssolbergj under CC BY-SA 4.0.

Popular baby names in Ireland, 2022

Flag of Ireland
Flag of Ireland

The island of Ireland, located in the North Atlantic Ocean, happens to be the third-largest island in Europe (after Great Britain and Iceland).

Last year, the Republic of Ireland — which covers five-sixths of the island — welcomed over 57,000 babies.

What were the most popular names among these babies? Emily and Jack.

Here are Ireland’s top 50 girl names and top 50 boy names of 2022:

Girl Names

  1. Emily, 349 baby girls
  2. Grace, 342
  3. Fiadh, 320 – pronounced FEE-a
  4. Sophie, 292
  5. Lily, 291
  6. Éabha, 271 – pronounced EY-va
  7. Ava, 269
  8. Mia, 262
  9. Ellie, 259
  10. Olivia, 258
  11. Amelia, 250 (tie)
  12. Emma, 250 (tie)
  13. Hannah, 248
  14. Ella, 240
  15. Freya, 234
  16. Lucy, 232
  17. Isla, 228
  18. Saoirse, 212 – pronounced SEER-sha or SAYR-sha
  19. Millie, 206
  20. Sadie, 201
  21. Sophia, 200
  22. Molly, 195
  23. Chloe, 191
  24. Caoimhe, 190 – pronounced KEE-va or KWEE-va
  25. Anna, 186
  26. Evie, 181
  27. Isabelle, 178
  28. Robyn, 177
  29. Alice, 160
  30. Aoife, 158 – pronounced EE-fa
  31. Róisín, 157 – pronounced ROH-sheen
  32. Sadhbh, 153 – pronounced siev (rhymes with the number “five”).
  33. Cara, 152
  34. Katie, 151
  35. Erin, 150
  36. Kate, 147
  37. Willow, 145
  38. Croía, 140 (3-way tie) – pronounced KREE-a
  39. Ruby, 140 (3-way tie)
  40. Sofia, 140 (3-way tie)
  41. Bonnie, 135
  42. Holly, 129 (tie)
  43. Zoe, 129 (tie)
  44. Sienna, 126
  45. Isabella, 125 (tie)
  46. Maya, 125 (tie)
  47. Sarah, 121
  48. Ada, 119
  49. Rosie, 111
  50. Leah, 109

Boy Names

  1. Jack, 641 baby boys
  2. Noah, 485
  3. James, 412
  4. Rían, 372
  5. Charlie, 348
  6. Oisín, 340 – pronounced UH-sheen or OH-sheen
  7. Tadhg, 324 – pronounced tieg (like the first three letters of “tiger”)
  8. Liam, 323
  9. Cillian, 316 – pronounced KIL-ee-an
  10. Daniel, 303
  11. Fionn, 287
  12. Michael, 278
  13. Conor, 275
  14. Finn, 269
  15. Patrick, 250
  16. Thomas, 246
  17. Darragh, 245
  18. Harry, 242
  19. Seán, 239
  20. Luke, 233
  21. Theo, 232
  22. Adam, 230
  23. Leo, 225
  24. Alex, 216
  25. Oliver, 201
  26. Ryan, 190
  27. Max, 189
  28. Cian, 185 – pronounced KEE-an or keen
  29. Tommy, 184
  30. Luca, 179
  31. Bobby, 170
  32. Mason, 167
  33. Dylan, 163 (3-way tie)
  34. Jamie, 163 (3-way tie)
  35. Kai, 163 (3-way tie)
  36. John, 160
  37. Ollie, 159
  38. Oscar, 156
  39. Shay, 152
  40. Alexander, 149 (tie)
  41. Ben, 149 (tie)
  42. Matthew, 146
  43. David, 143 (tie)
  44. Tom, 143 (tie)
  45. Ethan, 141
  46. Donnacha, 140 – pronounced DUN-uh-ka or DUN-uh-kha (the kh represents a guttural H-sound)
  47. Alfie, 139
  48. Jacob, 131
  49. Billy, 128
  50. Sam, 125

New to the girls’ top 100 were the names Hailey, Phoebe, Ayda, and Éala.

New to the boys’ top 100 were the names Blake and Cody.

The fastest-rising names in the top 100 in terms of numbers of babies were:

  • Millie (+58 baby girls), Olivia (+39), Éala (+32), Ellie (+31), Isabelle (+31)
  • Luca (+58 baby boys), Oisín (+38), Leo (+33), Kai (+33), Tomás (+30)

The fastest-rising names in terms of rank were:

  • Éala (+86 places), Phoebe (+45), Mary (+40), Hailey (+38), Ayda (+29)
  • Tomás (+42 places), Anthony (+31), Christopher (+29), Joey (+25), Kayden (+25)
Map of the four provinces of Ireland
Ireland’s four provinces

Home to more than five million people, the Republic of Ireland is divided into four provinces. (One of these provinces, Ulster, lies largely within Northern Ireland, which is part of the UK.) The top baby names within each of the four provinces last year were…

Top Girl NameTop Boy Name
Leinster
(56% of the population)
EmilyJack
Munster
(27% of pop.)
EmilyJack
Connacht
(11% of pop.)
ÉabhaJack
Ulster [ROI portion]
(6% of pop.)
GraceJack

And what about the names at the other end of the spectrum? The following were given to just 3 babies each in Ireland last year:

Rare Girl NamesRare Boy Names
Ananya, Beatriz, Cliona, Dina, Eilidh, Faela, Fianna, Isadora, Joan, Khadija, Líadh, Luisne, Miruna, Morrigan, Nala, Orlagh, Prunelle, Réiltín, Saffie, Scotia, Tilda, Vamika, ZohaAilbe, Brooklyn, Caoilte, Denzel, Eamonn, Féidhlim, Geoffrey, Henrik, Isa, Josiah, Kamal, Lúan, Manus, Nilan, Ógie, Pio, Rokas, Séadhna, Tiernán, Viraj, Wayne, Yousuf, Zoraiz

Finally, here are Ireland’s 2021 rankings, if you’d like to compare last year to the year before.

P.S. If you’re interested in seeing more Irish name pronunciations, just click that link.

Sources: Irish Babies’ Names – CSO (Irish Babies’ Names 2022), Births, Deaths and Marriages – CSO (Vital Statistics Yearly Summary 2022), Data – CSO, Provinces of Ireland – Wikipedia

Image: Adapted from Flag of Ireland (public domain)
Map: Adapted from Provinces of Ireland location map by Ssolbergj under CC BY-SA 4.0.

[Latest update: Feb. 2024]

Popular baby names in Northern Ireland (UK), 2021

Flag of the United Kingdom
Flag of the United Kingdom

According to the Northern Ireland Statistics and Research Agency (NISRA), the most popular baby names in Northern Ireland last year were Grace and Jack.

Here are the Northern Ireland’s top 50 girl names and top 50+ boy names of 2021:

Girl Names

  1. Grace, 182 baby girls
  2. Emily, 150
  3. Fiadh, 149
  4. Olivia, 148
  5. Isla, 138
  6. Sophie, 128
  7. Aoife, 122
  8. Ella, 111
  9. Anna, 106
  10. Sophia, 102
  11. Amelia, 101
  12. Lucy, 100
  13. Charlotte, 98
  14. Lily, 94
  15. Evie, 92 (tie)
  16. Freya, 92 (tie)
  17. Ava, 90
  18. Annie, 87
  19. Mia, 82
  20. Ellie, 80
  21. Erin, 76 (3-way tie)
  22. Molly, 76 (3-way tie)
  23. Rosie, 76 (3-way tie)
  24. Willow, 69
  25. Eabha, 67
  26. Ruby, 64
  27. Poppy, 62
  28. Meabh, 61 (tie)
  29. Niamh, 61 (tie)
  30. Eva, 60
  31. Maisie, 59
  32. Katie, 58
  33. Cora, 56
  34. Hannah, 55 (tie)
  35. Ivy, 55 (tie)
  36. Cara, 54 (tie)
  37. Clodagh, 54 (tie)
  38. Georgia, 52 (4-way tie)
  39. Harper, 52 (4-way tie)
  40. Jessica, 52 (4-way tie)
  41. Zara, 52 (4-way tie)
  42. Chloe, 51 (tie)
  43. Rose, 51 (tie)
  44. Aria, 50
  45. Alice, 49 (3-way tie)
  46. Daisy, 49 (3-way tie)
  47. Mollie, 49 (3-way tie)
  48. Heidi, 48
  49. Saoirse, 45 (tie)
  50. Sienna, 45 (tie)

Boy Names

  1. Jack, 193 baby boys
  2. Noah, 191
  3. James, 173
  4. Charlie, 155
  5. Oliver, 131
  6. Theo, 119
  7. Leo, 117
  8. Cillian, 116
  9. Finn, 115
  10. Harry, 114
  11. Oisin, 109 (tie)
  12. Thomas, 109 (tie)
  13. Daniel, 103
  14. Tommy, 101
  15. Freddie, 97
  16. Jacob, 92
  17. Jude, 86
  18. Arthur, 84
  19. Daithi, 83
  20. Darragh, 78 (3-way tie)
  21. Ethan, 78 (3-way tie)
  22. Ronan, 78 (3-way tie)
  23. Jonah, 77
  24. Alfie, 76 (tie)
  25. Archie, 76 (tie)
  26. Caleb, 75
  27. Shea, 73
  28. Conor, 71
  29. Alexander, 69
  30. Patrick, 68
  31. George, 66 (3-way tie)
  32. Isaac, 66 (3-way tie)
  33. Mason, 66 (3-way tie)
  34. Matthew, 65 (tie)
  35. Reuben, 65 (tie)
  36. Conan, 64 (3-way tie)
  37. Fionn, 64 (3-way tie)
  38. Luke, 64 (3-way tie)
  39. Ollie, 63
  40. Jake, 61 (tie)
  41. Joseph, 61 (tie)
  42. Logan, 60 (3-way tie)
  43. Odhran, 60 (3-way tie)
  44. Oscar, 60 (3-way tie)
  45. Liam, 58 (3-way tie)
  46. Lucas, 58 (3-way tie)
  47. Max, 58 (3-way tie)
  48. John, 57
  49. Rory, 56
  50. Joshua, 55 (tie)
  51. Theodore, 55 (tie)

In the girls’ top 10, Aoife and Anna replaced Amelia, Lucy and Freya. (Two replaced three because there was a tie for tenth last year.)

In the boys’ top 10, Leo replaced Thomas.

And on the other side of the spectrum…here are some of the names that were given to just 3 babies each in Northern Ireland last year:

Rare girl namesRare boy names
Anais, Betsy, Cliona, Darlah, Eadaoin, Fearne, Gigi, Helena, Indi, Jane, Kelly, Leila, Mallaidh, Nell, Orfhlaith, Rae, Saffron, Tabitha, Vivienne, WinnieAyaan, Brendan, Cabhan, Donncha, Egan, Fearghal, Gareth, Herbie, Jaylen, Koen, Lenny, Millar, Naoise, Paddy, Quinn, Ross, Seanan, Travis, Vinnie, Zachariah

Finally, here are the 2020 rankings for Northern Ireland, if you’d like to compare.

Source: Baby Names – NISRA

Image: Adapted from Flag of the United Kingdom (public domain)