Leo

#5,410 for girls in 2025, 23 births · #19 for boys in 2025, 8,173 births
Given to boys 99.2% of the time

Showing
Show data for
Peak · boys
2023 · 8,160 births
Debut · boys
147 births
In top 100 · boys
69 yrs
of 146 years
Total births · boys
259,988
since 1880

Leo over time

boys

Rank among boys' names. Click any year to open it.

#1#10#100rank188019001920194019601980200020201910boysat peak
Hover or use arrow keys to read values by year; click or press Enter to open that year.

Gaps mean fewer than 5 babies received the name that year, so the SSA doesn't publish it.

Show data table
Yeargirlsboys
rankbirthsrankbirths
2025#5,41023#198,173
2024#6,39418#247,823
2023#4,74628#188,160
2022#4,37832#228,293
2021#4,32632#317,803
2020#4,35831#367,229
2019#5,61222#407,504
2018#6,24819#506,773
2017#6,80817#625,965
2016#8,39313#745,299
2015#9,48111#914,603
2014#7,30216#973,976
2013#11,0009#1123,511
2012#12,1998#1342,879
2011#14,8246#1672,250
2010#1911,946
2009#15,2426#2101,802
2008#15,4056#2281,628
2007#2381,531
2006#2351,501
2005#13,0107#2581,275
2004#16,0995#2651,239
2003#11,3258#2851,095
2002#13,5956#338809
2001#360736
2000#388658
1999#440524
1998#434527
1997#471458
1996#482447
1995#13,3865#485446
1994#462474
1993#11,7806#463456
1992#462469
1991#441506
1990#477431
1989#12,3625#454428
1988#10,3866#426451
1987#8,7787#410452
1986#422415
1985#10,6775#404447
1984#396430
1983#8,0477#387429
1982#9,2376#366483
1981#9,1106#341533
1980#367473
1979#362484
1978#7,6497#352478
1977#9,6525#358484
1976#7,2967#348481
1975#7,1737#336516
1974#340511
1973#6,0808#335509
1972#6,5587#326550
1971#6,6197#302651
1970#7,0706#294701
1969#273741
1968#7,0165#279695
1967#4,9828#261767
1966#244856
1965#5,8176#247902
1964#4,6369#2331,028
1963#5,8916#2371,016
1962#4,5339#2321,100
1961#2301,178
1960#4,4379#2301,204
1959#3,82711#2021,432
1958#4,1939#1951,428
1957#4,2029#1901,511
1956#4,4678#1841,550
1955#4,0699#1751,576
1954#5,1486#1721,613
1953#3,10613#1621,656
1952#4,9086#1711,558
1951#5,4145#1561,658
1950#4,7386#1601,554
1949#3,39310#1531,646
1948#5,2435#1511,718
1947#4,0078#1471,805
1946#2,73913#1471,647
1945#2,74211#1371,582
1944#2,94610#1321,592
1943#2,86111#1331,694
1942#2,31115#1201,800
1941#2,19015#1161,726
1940#2,10915#1121,752
1939#2,20614#1081,842
1938#2,22514#1041,952
1937#2,31713#972,015
1936#1,95016#942,017
1935#2,30513#922,142
1934#1,77119#862,309
1933#1,55223#752,352
1932#1,63422#742,500
1931#1,14839#692,700
1930#1,08446#633,035
1929#1,44728#603,018
1928#1,14744#613,095
1927#1,00058#553,536
1926#1,03252#543,552
1925#1,03753#543,775
1924#1,12348#513,990
1923#1,06551#493,973
1922#1,07850#513,901
1921#1,07250#504,066
1920#92162#484,054
1919#98453#493,802
1918#91062#484,036
1917#97851#473,779
1916#88259#473,621
1915#95848#473,527
1914#1,00335#472,655
1913#1,06726#482,031
1912#1,29717#491,654
1911#1,03118#51844
1910#85925#51707
1909#93519#49609
1908#82922#49584
1907#94516#42651
1906#1,15411#47508
1905#1,01114#46512
1904#83719#42552
1903#1,07611#37636
1902#93614#43551
1901#96112#42456
1900#91717#46570
1899#1,03410#43482
1898#75020#39588
1897#93112#46462
1896#67022#47497
1895#1,2997#41509
1894#99810#41515
1893#66219#45448
1892#79614#49444
1891#1,0068#51353
1890#79112#49393
1889#9508#59325
1888#83710#57353
1887#1,0366#73232
1886#8288#73240
1885#65811#83199
1884#9306#84192
1883#95142
1882#99146
1881#7406#103122
1880#7386#92147
First appearance
1880

In the first year the SSA published name data, Leo was already there! It came in at #92, and was given to 147 baby boys.


Quietest stretch: 1880–1883, when fewer than 150 boys a year got the name.

Where Leo is popular in 1910

  • Rank in state
  • Top 10
  • 11–50
  • 51–100
  • 101–500
  • 501+
  • Not published
Alaska: fewer than 5 boys named Leo, so not publishedAKMaine: #16 for boys · 15 births · 1 in 45 boysMEVermont: fewer than 5 boys named Leo, so not publishedVTNew Hampshire: #20 for boys · 6 births · 1 in 51 boysNHWashington: #31 for boys · 12 births · 1 in 101 boysWAIdaho: fewer than 5 boys named Leo, so not publishedIDMontana: fewer than 5 boys named Leo, so not publishedMTNorth Dakota: #32 for boys · 9 births · 1 in 91 boysNDMinnesota: #29 for boys · 22 births · 1 in 107 boysMNIllinois: #28 for boys · 63 births · 1 in 131 boysILWisconsin: #25 for boys · 24 births · 1 in 100 boysWIMichigan: #40 for boys · 23 births · 1 in 148 boysMINew York: #47 for boys · 80 births · 1 in 197 boysNYMassachusetts: #23 for boys · 48 births · 1 in 99 boysMARhode Island: #22 for boys · 9 births · 1 in 61 boysRIOregon: #27 for boys · 7 births · 1 in 81 boysORNevada: fewer than 5 boys named Leo, so not publishedNVWyoming: fewer than 5 boys named Leo, so not publishedWYSouth Dakota: fewer than 5 boys named Leo, so not publishedSDIowa: #26 for boys · 26 births · 1 in 84 boysIAIndiana: #98 for boys · 6 births · 1 in 462 boysINOhio: #59 for boys · 22 births · 1 in 280 boysOHPennsylvania: #49 for boys · 59 births · 1 in 231 boysPANew Jersey: #73 for boys · 10 births · 1 in 367 boysNJConnecticut: #58 for boys · 5 births · 1 in 268 boysCTCalifornia: #72 for boys · 10 births · 1 in 321 boysCAUtah: fewer than 5 boys named Leo, so not publishedUTColorado: #65 for boys · 5 births · 1 in 228 boysCONebraska: #24 for boys · 19 births · 1 in 76 boysNEMissouri: #37 for boys · 33 births · 1 in 151 boysMOKentucky: #139 for boys · 6 births · 1 in 762 boysKYWest Virginia: fewer than 5 boys named Leo, so not publishedWVVirginia: fewer than 5 boys named Leo, so not publishedVAMaryland: #57 for boys · 8 births · 1 in 279 boysMDDelaware: fewer than 5 boys named Leo, so not publishedDEArizona: #35 for boys · 5 births · 1 in 98 boysAZNew Mexico: #35 for boys · 6 births · 1 in 116 boysNMKansas: #50 for boys · 13 births · 1 in 168 boysKSArkansas: #89 for boys · 10 births · 1 in 350 boysARTennessee: #152 for boys · 5 births · 1 in 961 boysTNNorth Carolina: #106 for boys · 11 births · 1 in 588 boysNCSouth Carolina: #114 for boys · 9 births · 1 in 625 boysSCDistrict of Columbia: fewer than 5 boys named Leo, so not publishedDCOklahoma: #64 for boys · 14 births · 1 in 231 boysOKLouisiana: #47 for boys · 23 births · 1 in 211 boysLAMississippi: #124 for boys · 10 births · 1 in 644 boysMSAlabama: #92 for boys · 15 births · 1 in 439 boysALGeorgia: #176 for boys · 8 births · 1 in 1,124 boysGAHawaii: fewer than 5 boys named Leo, so not publishedHITexas: #131 for boys · 15 births · 1 in 605 boysTXFlorida: #84 for boys · 7 births · 1 in 370 boysFL

Hover or tap a state for its numbers.

Top states · boys
  1. Maine#16 · 1 in 45
  2. New Hampshire#20 · 1 in 51
  3. Rhode Island#22 · 1 in 61
  4. Massachusetts#23 · 1 in 99
  5. Nebraska#24 · 1 in 76

Best ever in a state: #3 in District of Columbia, 2023.

Show every state
StateRankBirthsShare
Maine#16151 in 45
New Hampshire#2061 in 51
Rhode Island#2291 in 61
Massachusetts#23481 in 99
Nebraska#24191 in 76
Wisconsin#25241 in 100
Iowa#26261 in 84
Oregon#2771 in 81
Illinois#28631 in 131
Minnesota#29221 in 107
Washington#31121 in 101
North Dakota#3291 in 91
Arizona#3551 in 98
New Mexico#3561 in 116
Missouri#37331 in 151
Michigan#40231 in 148
Louisiana#47231 in 211
New York#47801 in 197
Pennsylvania#49591 in 231
Kansas#50131 in 168
Maryland#5781 in 279
Connecticut#5851 in 268
Ohio#59221 in 280
Oklahoma#64141 in 231
Colorado#6551 in 228
California#72101 in 321
New Jersey#73101 in 367
Florida#8471 in 370
Arkansas#89101 in 350
Alabama#92151 in 439
Indiana#9861 in 462
North Carolina#106111 in 588
South Carolina#11491 in 625
Mississippi#124101 in 644
Texas#131151 in 605
Kentucky#13961 in 762
Tennessee#15251 in 961
Georgia#17681 in 1,124
Alaska
Delaware
District of Columbia
Hawaii
Idaho
Montana
Nevada
South Dakota
Utah
Vermont
Virginia
West Virginia
Wyoming

Ranks are within each state; “1 in N” is out of the boys born there that year. The SSA only publishes a name in a state when 5 or more babies of one sex got it.

See more about Leo
Momentum · boys
Rising
  • 5 spots since 2024 (#24#19)
  • 17 spots since 2020 (#36#19)
  • 72 spots since 2015 (#91#19)
  • Biggest jump: 53 spots in 2003 (#338#285)
  • Biggest drop: 28 spots in 1960 (#202#230)
Rise & fade · boys
143 yrs to peak
  • Debuted 1880
  • Peaked 2023 at #18 (8,160 births)
  • Not yet halved from its peak
Top of the charts · boys
Top 100 for 69 yrs
  • Top 10: never
  • Top 100: 69 yrs · run 1882–1937
  • Top 1,000: 146 yrs · run 1880–2025
Share of babies · boys
1 in 187
  • Highest: 1 in 187 boys born in 1903 were named Leo (0.53%)
  • Latest: 1 in 209 boys born in 2025 (0.48%)
  • Its best rank, #18 in 2023, was only 1 in 210 (0.48%) — a smaller share of a much bigger birth year
Era · boys
The 2020s
  • 18.3% of all boys named Leo (47,481) were born in this decade
  • Comeback: #37 (1903) → #485 (1995) → #18 (2023)
Show by decade
DecadeBirthsBest rankAvg rank
1880s2,098#57 (1888)#82
1890s4,691#39 (1898)#45
1900s5,629#37 (1903)#44
1910s26,656#47 (1917)#48
1920s36,960#48 (1920)#53
1930s22,864#63 (1930)#86
1940s16,962#112 (1940)#135
1950s15,536#156 (1951)#177
1960s9,487#230 (1960)#247
1970s5,365#294 (1970)#335
1980s4,541#341 (1981)#397
1990s4,738#434 (1998)#462
2000s12,274#210 (2009)#281
2010s44,706#40 (2019)#102
2020s47,481#18 (2023)#25

All figures count published births only (names given to at least 5 boys in a year). Registrations before 1937 are incomplete, so early shares and totals run low.

Leo in 1910

girls
#859
25 births · 1 in 15,860 girls
boys
#51
707 births · 1 in 275 boys

Top girls' names in 1910

  1. #1Mary22,848
  2. #2Helen10,479
  3. #3Margaret8,226
  4. #4Dorothy7,318
  5. #5Ruth7,212
  6. #6Anna6,436
  7. #7Elizabeth5,800
  8. #8Mildred5,692
  9. #9Marie4,790
  10. #10Alice4,671
  11. #859Leo25

Top boys' names in 1910

  1. #1John11,450
  2. #2James9,194
  3. #3William8,844
  4. #4Robert5,609
  5. #5George5,441
  6. #6Joseph5,228
  7. #7Charles4,784
  8. #8Frank3,768
  9. #9Edward3,407
  10. #10Henry2,899
  11. #51Leo707
More about 1910

girls

396,503 girls got a published name in 1910; 1 in 15,860 of them was named Leo, which outranked 69.2% of the 2,790 girls' names that year. The ten most popular names covered 21.1% of girls (24.6% in 1880, 7.0% in 2025).

Ranked beside Leo
  1. #845Sadye26
  2. #845Vivien26
  3. #845Zadie26
  4. #859Leo25
  5. #859Adaline25
  6. #859Augustine25
  7. #859Ceola25
  8. #877Arie24
  9. #877Buelah24
  10. #877Dale24

Tied with 17 names at #859; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 1909
Risers
  1. 960Alys#1,957#997
  2. 849Lannie#1,763#914
  3. 766Luz#1,763#997
  4. 762Vivien#1,607#845
  5. 693Buna#1,607#914
Fallers
  1. 864Earl#909#1,773
  2. 864Fleta#909#1,773
  3. 783Elba#990#1,773
  4. 644Odile#990#1,634
  5. 576Claribel#845#1,421

Among names in the top 1,000 of either year.

boys

194,208 boys got a published name in 1910; 1 in 275 of them was named Leo, which outranked 97.2% of the 1,839 boys' names that year. The ten most popular names covered 31.2% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Leo
  1. #48Elmer760
  2. #49Lee741
  3. #50Leroy733
  4. #51Leo707
  5. #52Herman696
  6. #53Daniel692
  7. #53Theodore692
Biggest movers since 1909
Risers
  1. 711Emma#1,440#729
  2. 679Arturo#1,277#598
  3. 679Sammy#1,277#598
  4. 658Tracy#1,440#782
  5. 623Issac#1,277#654
Fallers
  1. 833Hadley#756#1,589
  2. 785Cedric#804#1,589
  3. 707Waymon#714#1,421
  4. 696Hughie#893#1,589
  5. 696Maceo#893#1,589

Among names in the top 1,000 of either year.

See the top 100 for 1910