How popular is the baby name Millie 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 Millie.

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Popularity of the baby name Millie


Posts that mention the name Millie

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 England and Wales (UK), 2021

Flag of the United Kingdom
Flag of the United Kingdom

Last year, England and Wales welcomed close to 625,000 babies.

What were the most popular names among these babies? Olivia and Noah.

Here are England and Wales’ top 50 girl names and top 50 boy names of 2021:

Girl Names

  1. Olivia, 3,649 baby girls
  2. Amelia, 3,164
  3. Isla, 2,683
  4. Ava, 2,576
  5. Ivy, 2,245
  6. Freya, 2,187
  7. Lily, 2,182
  8. Florence, 2,180
  9. Mia, 2,168
  10. Willow, 2,067
  11. Rosie, 2,028
  12. Sophia, 2,019
  13. Isabella, 2,010
  14. Grace, 1,992
  15. Daisy, 1,873
  16. Sienna, 1,869
  17. Poppy, 1,841
  18. Elsie, 1,840
  19. Emily, 1,797
  20. Ella, 1,756
  21. Evelyn, 1,729
  22. Phoebe, 1,678
  23. Sofia, 1,671
  24. Evie, 1,670
  25. Charlotte, 1,654
  26. Harper, 1,480
  27. Millie, 1,472
  28. Matilda, 1,437
  29. Maya, 1,433
  30. Sophie, 1,375
  31. Alice, 1,359
  32. Emilia, 1,353
  33. Isabelle, 1,304
  34. Ruby, 1,300
  35. Luna, 1,261
  36. Maisie, 1,229
  37. Aria, 1,202
  38. Penelope, 1,194
  39. Mila, 1,133
  40. Bonnie, 1,121
  41. Eva, 1,091
  42. Hallie, 1,070
  43. Eliza, 1,064
  44. Ada, 1,058
  45. Violet, 1,057
  46. Esme, 1,013
  47. Arabella, 1,012
  48. Imogen, 998
  49. Jessica, 997
  50. Delilah, 981

Boy Names

  1. Noah, 4,525 baby boys
  2. Oliver, 4,167
  3. George, 4,141
  4. Arthur, 3,766
  5. Muhammad, 3,722
  6. Leo, 3,465
  7. Harry, 3,089
  8. Oscar, 3,071
  9. Archie, 2,928
  10. Henry, 2,912
  11. Theodore, 2,889
  12. Freddie, 2,873
  13. Jack, 2,847
  14. Charlie, 2,674
  15. Theo, 2,514
  16. Alfie, 2,338
  17. Jacob, 2,319
  18. Thomas, 2,302
  19. Finley, 2,283
  20. Arlo, 2,154
  21. William, 2,093
  22. Lucas, 1,965
  23. Roman, 1,923
  24. Tommy, 1,901
  25. Isaac, 1,888
  26. Teddy, 1,875
  27. Alexander, 1,830
  28. Luca, 1,807
  29. Edward, 1,806
  30. James, 1,772
  31. Joshua, 1,737
  32. Albie, 1,729
  33. Elijah, 1,657
  34. Max, 1,650
  35. Mohammed, 1,619
  36. Reuben, 1,534
  37. Mason, 1,517
  38. Sebastian, 1,516
  39. Rory, 1,483
  40. Jude, 1,482
  41. Louie, 1,461
  42. Benjamin, 1,423
  43. Ethan, 1,398
  44. Adam, 1,367
  45. Hugo, 1,325
  46. Joseph, 1,307
  47. Reggie, 1,287
  48. Ronnie, 1,285
  49. Harrison, 1,254
  50. Louis, 1,240

Two of the names that saw marked increases in usage last year, Luca and Raya, were helped along by the animated films Luca (2021) and Raya and the Last Dragon (2021).

And the name Lilibet re-surfaced in the data (after a seven-year absence) with eight baby girls, no doubt thanks to the royal influence of Prince Harry’s daughter Lilibet, who was born in California in June of 2021.

Map of the nine regions of England
England’s nine regions

Home to nearly 56.5 million people, England is divided into nine regions. The top baby names within each of these regions last year were…

Girl NamesBoy Names
North East
(4.6% of the population)		1. Olivia, 167
2. Rosie, 137
3. Freya, 136
4. Isla, 135
5. Amelia, 129		1. George, 211
2. Oliver, 208
3. Noah, 188
4. Harry, 186
5. Charlie, 166
North West
(13.1% of pop.)		1. Olivia, 460
2. Isla, 373
3. Ava, 347
4. Amelia, 338
5. Ivy, 308		1. Muhammad, 875
2. Noah, 616
3. George, 603
4. Oliver, 584
5. Harry, 508
Yorkshire & the Humber
(9.7% of pop.)		1. Olivia, 298
2. Amelia, 272
3. Ava, 256
4. Isla, 230
5. Ivy, 222		1. Muhammad, 669
2. Noah, 449
3. Oliver, 415
4. George, 402
5. Arthur, 340
East Midlands
(8.7% of pop.)		1. Amelia, 288
2. Olivia, 281
3. Ava, 214
4. Isla, 206
5. Elsie/Mia, 200 (tie)		1. Oliver, 386
2. George, 378
3. Noah, 363
4. Harry, 302
5. Arthur, 298
West Midlands
(10.6% of pop.)		1. Olivia, 356
2. Amelia, 342
3. Isla, 234
4. Freya, 230
5. Ava, 228		1. Muhammad, 667
2. Noah, 447
3. Oliver, 378
4. Arthur, 362
5. George, 352
East
(11.2% of pop.)		1. Olivia, 478
2. Amelia, 371
3. Isla, 337
4. Ava, 323
5. Ivy, 281		1. George, 539
2. Noah, 499
3. Oliver, 497
4. Arthur, 464
5. Leo, 426
London
(15.6% of pop.)		1. Olivia, 459
2. Amelia, 455
3. Mia, 402
4. Sofia, 392
5. Maya, 383		1. Muhammad, 689
2. Noah, 626
3. Leo, 507
4. Adam, 429
5. Alexander, 407
South East
(16.5% of pop.)		1. Olivia, 615
2. Amelia, 546
3. Isla, 465
4. Ava, 454
5. Florence, 447		1. George, 729
2. Arthur, 701
3. Oliver, 693
4. Noah, 651
5. Henry, 609
South West
(10.1% of pop.)		1. Olivia, 360
2. Isla, 287
3. Florence, 277
4. Amelia, 259
5. Willow, 233		1. Arthur, 459
2. Noah, 410
3. George, 400
4. Oliver, 394
5. Oscar, 369

Wales, a separate country within the United Kingdom, is home to more than 3.1 million people. The top 10 names per gender in Wales last year were…

Girl Names (Wales)Boy Names (Wales)
1. Olivia, 173
2. Amelia, 164
3. Isla, 126
4. Freya, 114
5. Ivy 112 (tie)
6. Rosie, 112 (tie)
7. Ava, 110
8. Grace, 109
9. Lily, 107
10. Evie, 106		1. Noah, 275
2. Oliver, 213
3. Arthur, 186
4. Theo, 170
5. Leo, 168
6. Charlie, 156
7. Archie, 154
8. George, 152
9. Jack, 136
10. Oscar, 135

Welsh-origin names in that ranked within Wales’ top 100 included…

  • Girl names: Alys, Ffion, Seren, Eira, Mabli, Cadi, Eleri
  • Boy names: Osian, Elis, Macsen, Cai, Morgan, Gruffydd, Rhys

Now it’s time for a selection of names from the other end of the spectrum. Each of the rare names below was given to just 3 babies in England and Wales in 2021:

Rare Girl NamesRare Boy Names
Avesta, Branwen, Callisto, Dwynwen, Elliw, Fenne, Gwenlli, Hestia, Isidora, Jogaile, Kerenza, Lubaba, Monia, Nepheli, Orzala, Petruta, Ruari, Siri, Thisbe, Uriella, Valley, Wilder, Xana, Yris, ZelalAudie, Buddy-Bear, Cuthbert, Deaglan, Emeric, Finlo, Glyndwr, Horace, Ibrar, Johnboy, Kerr, Leofric, Madoc, Nazar, Ovi, Porter, Ranulph, Sirius, Teifion, Urhan, Vladut, Warwick, Xion, Yavuz, Zuko
  • Dwynwen is the name of the Welsh patron saint of lovers. St. Dwynwen’s Day, the Welsh version of St. Valentine’s Day, is celebrated on January 25th.
  • Glyndwr is a reference to Welsh nobleman Owain Glyndwr, who led the Welsh Revolt (1400-1415) against the Kingdom of England.
  • Teifion is based on the name of the River Teifi.

Finally, here’s a link to England and Wales’ 2020 rankings, if you’d like to compare last year to the year before.

P.S. The ongoing rise of the baby name Mabel accelerated in the late 2010s thanks to mononymous English singer/songwriter Mabel — who just so happens to be the niece of Eagle-Eye Cherry.

Sources (all ONS):

Image: Adapted from Flag of the United Kingdom (public domain)
Map: Adapted from English regions 2009 by Nilfanion and Dr Greg under CC BY-SA 3.0.

Popular and unique baby names in Scotland (UK), 2021

Flag of the United Kingdom
Flag of the United Kingdom

According to the National Records of Scotland (NRS), the most popular baby names in the country last year were Olivia and Jack.

Here are Scotland’s top 50 girl names and top 50 boy names of 2021:

Girl Names

  1. Olivia, 349 baby girls
  2. Emily, 318
  3. Isla, 317
  4. Freya, 270
  5. Ella, 259
  6. Amelia, 257
  7. Ava, 241
  8. Sophie, 238
  9. Grace, 235
  10. Millie, 216
  11. Lily, 205
  12. Sophia, 200
  13. Charlotte, 196
  14. Rosie, 190
  15. Aria, 183
  16. Evie, 181
  17. Maisie, 165
  18. Lucy, 164 (tie)
  19. Mia, 164 (tie)
  20. Eilidh, 160
  21. Ellie, 159 (3-way tie)
  22. Ivy, 159 (3-way tie)
  23. Orla, 159 (3-way tie)
  24. Jessica, 150
  25. Harper, 144
  26. Maya, 134 (tie)
  27. Willow, 134 (tie)
  28. Georgia, 126
  29. Daisy, 123 (tie)
  30. Sofia, 123 (tie)
  31. Mila, 122
  32. Isabella, 121 (tie)
  33. Ruby, 121 (tie)
  34. Hannah, 119
  35. Skye, 118
  36. Sienna, 116
  37. Molly, 113
  38. Hallie, 111
  39. Bonnie, 108 (tie)
  40. Poppy, 108 (tie)
  41. Eva, 106
  42. Esme, 104
  43. Anna, 102 (3-way tie)
  44. Ayla, 102 (3-way tie)
  45. Erin, 102 (3-way tie)
  46. Callie, 98
  47. Zara, 92
  48. Layla, 91
  49. Emma, 90 (tie)
  50. Robyn, 90 (tie)

Boy Names

  1. Jack, 382 baby boys
  2. Noah, 337
  3. Leo, 289
  4. Oliver, 284
  5. Harris, 273
  6. Finlay, 255
  7. Lewis, 254
  8. James, 252
  9. Rory, 247
  10. Alexander, 240
  11. Brodie, 236
  12. Alfie, 224
  13. Charlie, 220
  14. Theo, 219
  15. Archie, 217
  16. Lucas, 214
  17. Mason, 205
  18. Finn, 197
  19. Thomas, 193
  20. Freddie, 192
  21. Max, 190
  22. Logan, 187
  23. Harry, 181
  24. Jacob, 176
  25. Blake, 159 (tie)
  26. Luca, 159 (tie)
  27. Oscar, 157
  28. Jude, 155
  29. William, 146
  30. Caleb, 140
  31. Roman, 138
  32. Cameron, 136
  33. Jaxon, 133
  34. Adam, 131
  35. Joshua, 130
  36. Ollie, 129 (tie)
  37. Tommy, 129 (tie)
  38. Daniel, 125 (tie)
  39. Ethan, 125 (tie)
  40. Harrison, 124
  41. Luke, 122
  42. Arthur, 121
  43. Muhammad, 120
  44. Jamie, 118 (tie)
  45. Liam, 118 (tie)
  46. Reuben, 112
  47. Arlo, 110
  48. Grayson, 103 (3-way tie)
  49. Hunter, 103 (3-way tie)
  50. Kai, 103 (3-way tie)

The fastest-rising names in the girls’ top 100 were Lyla, Blake, and Rowan.

The fastest-rising names in the boys’ top 100 were Carson, Struan, and Myles.

Other names that have seen higher usage recently include Maeva (influenced by Made in Chelsea actress Maeva D’Ascanio) and Connell (influenced by Normal People character Connell Waldron).

And what about the unique names?

Almost 12% of baby girls were given a name that no other girl was registered with in 2021. Almost 9% of boys had unique names for births last year.

Baby names bestowed just once in Scotland last year include…

Unique Girl NamesUnique Boy Names
Arlo-Moon, Aquamarine, Boglarka, Bryar-Loch, Cleagh, Cocohuay, Dervla, Diadem, Ember-Willow, Estrid, Falluin, Floraidh, Ghillie, Gwenno, Hessa, Humna, Iolanthe, Ischia, Jahanara, Juaa, Ketaki, Knoxie, Linaz, Liola-Sky, Mharli-Mae, Myfanwy, Nardos, Nymeria, Ocean-Bleu, Otterly, Pannavee, Paris-Sarah, Quinnie, Ribhinn, Ruoyi, Salka, Stuti, Thyra, Tifa, Unsa, Velvetjane, Wilda, Xiylo, Ying, Zanna, ZarnishArziki, Athilan, Bligh, Bruar, Caladh, Ciurar, Domhnall, Doski, Eloim, Ezra’banx, Firth, Fury, Gilmar, Guyan, Hanzala, Harcus, Ieuan, Ivaylo, Jockie, Joris, Kairimui, Kallikrates, Linstrum, Lorenzo-Moon, Marric, Massinissa, Nakoah-Knox, Nimrod, Oputjo, Otter, Parnaj, Prokop, Quanders, Rascal, Rhue, Simanga, Somhairle, Torben, Trix, Uziah-Nova, Vakaris, Wrath, Xanthus, Yuveer, Zander-Blu, Zebedee

Here are possible explanations/associations for some of the above:

  • Diadem, a type of crown
  • Ischia, an island near Naples
  • Nymeria, a direwolf from Game of Thrones
  • Ribhinn, a Scottish-Gaelic word (rìbhinn) meaning “maiden, girl”
  • Tifa, a character from the Final Fantasy video games
  • Kallikrates, a 5th-century BC Greek architect
  • Masinissa, a 2nd-century BC Numidian king
  • Somhairle, a 12th-century Norse-Gaelic king

Finally, here are Scotland’s 2020 rankings, if you’d like to compare last year to the year before.

Sources: Babies’ First Names 2021 – National Records of Scotland, Trends in baby names 2021 (PDF)

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

Popular baby names on the Isle of Man, 2021

Flag of the Isle of Man
Flag of the Isle of Man

According to the Civil Registry of the Isle of Man, the most popular baby names on the island last year were Elsie and Arthur.

Here are the Isle of Man’s top 5+ girl names and top 5+ boy names of 2021:

Girl Names

  1. Elsie, 7 baby girls
  2. Evie/Evee, 6
  3. Alice, 5 (6-way tie)
  4. Ella, 5 (6-way tie)
  5. Grace/Gracie, 5 (6-way tie)
  6. Millie, 5 (6-way tie)
  7. Olivia, 5 (6-way tie)
  8. Poppy, 5 (6-way tie)

Boy Names

  1. Arthur, 10 baby boys
  2. Theo/Theodore, 8
  3. Charlie/Charles, 6
  4. Arlo, 5 (3-way tie)
  5. Freddie, 5 (3-way tie)
  6. Oliver, 5 (3-way tie)

In 2020, the top names were Ella and Leo/Oliver (tie).

Source: Most popular baby names in 2021 revealed as Arthur and Elsie

Image: Adapted from Flag of the Isle of Man (public domain)