How popular is the baby name Sebastian in the United States right now? How popular was it historically? Find out using the graph below! Plus, check out all the blog posts that mention the name Sebastian.

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Popularity of the Baby Name Sebastian


Posts that Mention the Name Sebastian

Popular Baby Names in Puerto Rico, 2020

According to the Social Security Administration, the most popular baby names in Puerto Rico in 2020 were Valentina and Liam.

Here are Puerto Rico’s top 10 girl names and top 10 boy names of 2020:

Girl Names

  1. Valentina, 179 baby girls
  2. Victoria, 135
  3. Emma, 131
  4. Amaia, 123
  5. Catalina, 102
  6. Mia, 99
  7. Isabella, 98
  8. Luna, 94
  9. Gianna, 90
  10. Kamila, 87

Boy Names

  1. Liam, 215 baby boys
  2. Sebastian, 209
  3. Thiago, 185
  4. Dylan, 182
  5. Mateo, 168
  6. Ian, 165
  7. Lucas, 151
  8. Noah, 148
  9. Jayden, 111
  10. Matias, 108

In the girls’ top 10, Catalina, Gianna and Kamila replaced Mikaela, Ainhoa and Amanda.

In the boys’ top 10, Jayden replaced Adrian.

In 2019, the top names in Puerto Rico were Valentina and Sebastian.

And the most popular baby names in all other U.S. territories — American Samoa, Guam, U.S. Virgin Islands, and Northern Mariana Islands (combined) — in 2020 were Gianna/Hailey (tie) and Elijah.

Source: Popular Names by Territory

Popular and Unique Baby Names in Sonoma, 2020

According to the government of Sonoma, California, the most popular baby names in the county last year were Isabella and Liam.

Here are Sonoma’s top 5 girl names and top 5 boy names of 2020:

Girl Names

  1. Isabella, 29 baby girls
  2. Evelyn/Camila/Sofia, 22 each (3-way tie)
  3. Olivia/Charlotte, 21 each (tie)
  4. Gianna, 20
  5. Sophia, 19

Boy Names

  1. Liam, 27 baby boys
  2. Mateo, 22
  3. Gael/Sebastian, 21 each (tie)
  4. Logan/Lucas/Mason/Santiago, 19 each (4-way tie)
  5. Luca, 18

And what about the names bestowed just once in Sonoma in 2020? Here are some of the unique baby names from the other end of the list:

Unique Girl NamesUnique Boy Names
Ariathna, Avenue, Blix, Clementine, Dianara, Elencia, Florence, Ginger, Helena, Ixzeliana, Jadaline, Kitiara, Lindiso, Metzli, Nebiat, Ocelia, Peri, Rumneya, Sisiana, Taytu, Uriela, Wrenley, Yolotzin, ZeruiahAscari, Athanasius, Bniel, Conrad, Drako, Epeli, Figaro, Gustavo, Hobbs, Izandro, Jersain, Kitai, Llyr, Mobius, Narodom, Ostreicher, Phaelan, Raziel, Solemn, Taumaloto, Ullr, Wylen, Yojan, Zadkiel

(Check Patreon for more of Sonoma’s unique baby names.)

In 2019, the top names in Sonoma were Camila and Mateo.

Source: Sonoma County Baby Names

Top First Letters of U.S. Baby Names, 2020

Wondering which first letters were the most popular in 2020?

For baby girls, the most-used first letter was A, followed by E and M. The least-used first letter was U. More than 272,000 baby girls got an A-name last year, whereas fewer than 700 got a U-name.

Top first letters of female baby names in the U.S. in 2020.

The three most-used girl names per letter last year were…

  • A: Ava, Amelia, Abigail
  • B: Brooklyn, Bella, Brielle
  • C: Charlotte, Camila, Chloe
  • D: Delilah, Daisy, Daniela
  • E: Emma, Evelyn, Ella
  • F: Faith, Freya, Finley
  • G: Gianna, Grace, Genesis
  • H: Harper, Hazel, Hannah
  • I: Isabella, Isla, Ivy
  • J: Josephine, Jade, Julia
  • K: Kinsley, Kennedy, Kaylee
  • L: Luna, Layla, Lily
  • M: Mia, Mila, Madison
  • N: Nora, Nova, Natalie
  • O: Olivia, Olive, Oakley
  • P: Penelope, Paisley, Piper
  • Q: Quinn, Queen, Quincy
  • R: Riley, Ruby, Rylee
  • S: Sophia, Sofia, Scarlett
  • T: Taylor, Teagan, Trinity
  • U: Unique, Uma, Una
  • V: Victoria, Violet, Valentina
  • W: Willow, Winter, Willa
  • X: Ximena, Xiomara, Xena
  • Y: Yaretzi, Yara, Yareli
  • Z: Zoey, Zoe, Zara

For baby boys, the most-used first letter was J, followed by A and L. The least-used first letter was, again, U. More than 205,000 baby boys got a J-name last year, whereas fewer than 2,500 got a U-name.

Top first letters of male baby names in the U.S. in 2020.

The three most-used boy names per letter last year were…

  • A: Alexander, Aiden, Asher
  • B: Benjamin, Brooks, Bennett
  • C: Carter, Charles, Christopher
  • D: Daniel, David, Dylan
  • E: Elijah, Ethan, Ezra
  • F: Finn, Felix, Francisco
  • G: Grayson, Gabriel, Greyson
  • H: Henry, Hudson, Hunter
  • I: Isaac, Isaiah, Ian
  • J: James, Jacob, Jackson
  • K: Kai, Kayden, Kingston
  • L: Liam, Lucas, Logan
  • M: Mason, Michael, Mateo
  • N: Noah, Nathan, Nolan
  • O: Oliver, Owen, Oscar
  • P: Parker, Patrick, Peter
  • Q: Quinn, Quentin, Quincy
  • R: Ryan, Roman, Robert
  • S: Sebastian, Samuel, Santiago
  • T: Theodore, Thomas, Tyler
  • U: Uriel, Uriah, Ulises
  • V: Vincent, Victor, Valentino
  • W: William, Wyatt, Wesley
  • X: Xavier, Xander, Xzavier
  • Y: Yusuf, Yosef, Yehuda
  • Z: Zachary, Zion, Zayden

Finally, here are the totals for girls and boys side-by-side on the same chart:

Top first letters of baby names in the U.S. in 2020.

Overall, the top first letter was A and the least popular first letter was (of course!) U.

Popular Baby Names in Estonia, 2020

According to Eesti Rahvusringhääling (Estonian Public Broadcasting), the most popular baby names in Estonia in 2020 were Sofia and Robin.

Here are the country’s top 10 girl names and top 10 boy names of 2020:

Girl Names

  1. Sofia, 82 baby boys
  2. Mia, 74
  3. Emma (tie), 63
  4. Marta (tie), 63
  5. Saara
  6. Alisa (tie)
  7. Emily (tie)
  8. Eva
  9. Lenna
  10. Maria

Boy Names

  1. Robin, 96 baby boys
  2. Oliver, 72
  3. Rasmus, 68
  4. Hugo
  5. Jakob (tie)
  6. Sebastian (tie)
  7. Oskar
  8. Aron
  9. Artur (tie)
  10. Robert (tie)

In the girls’ top 10, Saara and Eva replaced Hanna and Saskia.

In the boys’ top 10, Jakob, Aron, Artur and Robert replaced Mattias, Kristofer, Mark, and Martin.

Statistics Estonia said Jakob is an example of an old fashioned name – popular among those over 75 years old but almost non-existent among the middle-aged – becoming popular again.

In 2019, the top names were Mia and Sebastian.

Sources: 2020 aasta popimad nimed olid Robin ja Sofia, Most popular baby names in 2020: Robin and Sofia

Popular Baby Names in Monroe, MI, in 2020

A few days ago, a writer with the Monroe News (of Monroe County, Michigan) tallied up all the baby names mentioned in the paper’s 2020 birth announcements. The most frequently occurring names for girls were Abigail and Ava (tie), and for boys was Asher.

Like I mentioned yesterday, I don’t tend to post rankings from non-governmental sources. But, again, this set had a relatively high number of names (451) compared to the size of the county (about 150,000 residents), so here’s the full list…

Girl Names

4 baby girls named:

  • Abigail
  • Ava

3 baby girls named:

  • Athena
  • Charlotte
  • Emma
  • Madison
  • Paisley
  • Quinn

2 baby girls named:

  • Allie
  • Allison
  • Amelia
  • Eleanor
  • Elena
  • Elizabeth
  • Elliana
  • Evelynn
  • Everly
  • Hadleigh
  • Harper
  • Hazel
  • Isla
  • Layla
  • Mia
  • Nova
  • Ruby
  • Sadie
  • Sophia
  • Sophie
  • Violet

1 baby girl named:

Ada, Addaleigh, Addilynn-Rose, Adorabella, Alice, Alicia, Alita, Aliva, Alora, Alyssa, A’Meila, Amirah, Amiyah, Anastasia, Aranea, Arya, Ashlynn, Aubree, Aubrey, Aurora, Avery, Bailey, Bexley, Blakely, Brielle, Brooke, Brooklyn, Brylee, Brynn, Caia, Caiya, Camilleia, Caralena, Caroline, Cattleya, Charlynn, Claire, Cora, Dahlia, Da’yana, Delaney, Eliannah, Eliza, Ellanorah, Ellie, Ellison, Ember, Emersyn, Emmarie, Emory, Evangeline, Evie, Evodia, Faith, Genevieve, Georgia, Giovanni, Gracelyn, Gracie, Gwendolyn, Haisley, Harleigh, Harlow, Harmony, HaVen, Hayzlee, Illia, Inija, Isabel, Ivy, Iylah, Jade, Janie, Jessika, Jolee, Jolene, Joni, Jordynn, Josephine, Journae, Julianna, Kaisley, Kansas, Kendelyn, Kennedy, Kensly, Klara, Kolumbiia, Laney, Leia, Lexi, Lexie, Lila, Lillian, Lily, Lively, Logan, Luciana, Lucille, Lucina, Luna, Maeve, Mahogany, Marianna, Marilyn, Marissa, Maryszka, McKenna, Mercy, Mila, Moselle, Mya, Naomi, Nora, Novalee, Omora, Ophelia, Ora, Penelope, Prudence, Raelyn, Reese, Renlee, Rhythm, Riann, Ripley, River, Roise, Rosalie, Rosemary, Ryalin, Ryleigh, Scarlett, Sedona, Shawna, Shelby, Sinya, Skyla, Skylynn, Stella, Stellana, Skyla, Tiffany, Vayda, Victoria, Ziggy, Zoe, Zoey, Zuri

Notably: “The No. 1 girl name in 2019, Olivia, wasn’t reported to The News last year.”

Boy Names

5 baby boys named:

  • Asher

4 baby boys named:

  • Wesley

3 baby boys named:

  • Andrew
  • Brooks
  • Hudson
  • John
  • Liam
  • Oliver
  • Preston
  • Roman
  • William

2 baby boys named:

  • Arthur
  • Benjamin
  • Bentley
  • Brody
  • Bryson
  • Carson
  • Connor
  • Dallas
  • Declan
  • Donald
  • Easton
  • Emmett
  • Finn
  • Henry
  • Jameson
  • Jaxon
  • Joseph
  • Kai
  • Lucas
  • Nicholas
  • Parker
  • Raiden
  • Samuel
  • Travis
  • Trevor
  • Waylon
  • Wyatt

1 baby boy named:

Adrian, Amon, Anderson, Anthony, Archer, Armani, Ashton, Atlas, Axel, Beau, Blake, Bode, Bodie, Bowie, Boyd, Bradley, Brady, Braxton, Braziel, Bryant, Carl, Carnell, Carter, Cassius, Cayden, Charles, Charlie, Christopher, Clayton, Cohen, Cole, Colson, Colt, Colten, Conner, Craig, Cruz, Dakota, Darius, David, Dean, Denver, Dominick, Dylan, Edwin, Elijah, Eliott, Emanuel, Emmerich, Enzo, Erik, Eudon, Finney, Forrest, Fulton, Gabriel, Gage, Giovani, Giovanni, Greyson, Griffyn, Henrik, Howard, Hunter, Jace, Jackson, Jaden, James, Jared, Javiah, Jaxson, Jayceon, Jayden, Jensen, Jonah, Jordan, Josiyah, Julian, Kaine, Kairo, Kane, Kayden, Kaynen, Khalil, Kirk, Koda, Kolton, Kyair, Kyren, Laurence, Lawrence, Leon, Leopold, Levi, Lincoln, Logan, Luca, Lyric, Mack, Magnus, Malachi, Marshaine, Mason, Maverick, Maveryck, Maximus, Michael, Miles, Murphy, Nickolas, Owen, Patrick, Promise, Reece, Remy, Renlee, Rhett, Richard, Rockwood, Rowan, Rubin, Russell, Ryan, Ryder, Ryker, Sebastian, Senan, Silas, Skyler, Spencer, Tate, Thatcher, Theodore, Thomas, Trenton, Valentino, Vincent, Vincenzo, Wylder, Xander, Xavier, Zachary, Zaidyn, Zeppelin

Source: Monroe County’s baby names for 2020