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#100rank188019001920194019601980200020201965boysat 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 1965

  • Rank in state
  • Top 10
  • 11–50
  • 51–100
  • 101–500
  • 501+
  • Not published
Alaska: fewer than 5 boys named Leo, so not publishedAKMaine: #198 for boys · 5 births · 1 in 1,846 boysMEVermont: #109 for boys · 5 births · 1 in 680 boysVTNew Hampshire: #77 for boys · 12 births · 1 in 475 boysNHWashington: #292 for boys · 8 births · 1 in 3,058 boysWAIdaho: fewer than 5 boys named Leo, so not publishedIDMontana: #160 for boys · 7 births · 1 in 838 boysMTNorth Dakota: fewer than 5 boys named Leo, so not publishedNDMinnesota: #209 for boys · 14 births · 1 in 2,408 boysMNIllinois: #270 for boys · 35 births · 1 in 2,822 boysILWisconsin: #187 for boys · 20 births · 1 in 1,992 boysWIMichigan: #211 for boys · 42 births · 1 in 1,900 boysMINew York: #224 for boys · 82 births · 1 in 1,994 boysNYMassachusetts: #88 for boys · 70 births · 1 in 729 boysMARhode Island: #79 for boys · 15 births · 1 in 554 boysRIOregon: #298 for boys · 5 births · 1 in 3,077 boysORNevada: fewer than 5 boys named Leo, so not publishedNVWyoming: fewer than 5 boys named Leo, so not publishedWYSouth Dakota: #173 for boys · 6 births · 1 in 1,012 boysSDIowa: #179 for boys · 17 births · 1 in 1,458 boysIAIndiana: #286 for boys · 15 births · 1 in 3,150 boysINOhio: #318 for boys · 21 births · 1 in 4,486 boysOHPennsylvania: #171 for boys · 61 births · 1 in 1,646 boysPANew Jersey: #206 for boys · 29 births · 1 in 2,010 boysNJConnecticut: #186 for boys · 13 births · 1 in 1,924 boysCTCalifornia: #268 for boys · 81 births · 1 in 2,159 boysCAUtah: fewer than 5 boys named Leo, so not publishedUTColorado: #225 for boys · 11 births · 1 in 1,636 boysCONebraska: fewer than 5 boys named Leo, so not publishedNEMissouri: #226 for boys · 21 births · 1 in 1,896 boysMOKentucky: #233 for boys · 15 births · 1 in 1,968 boysKYWest Virginia: #200 for boys · 9 births · 1 in 1,672 boysWVVirginia: #338 for boys · 10 births · 1 in 3,899 boysVAMaryland: #257 for boys · 11 births · 1 in 2,814 boysMDDelaware: fewer than 5 boys named Leo, so not publishedDEArizona: #189 for boys · 16 births · 1 in 951 boysAZNew Mexico: #127 for boys · 19 births · 1 in 570 boysNMKansas: #209 for boys · 12 births · 1 in 1,450 boysKSArkansas: #292 for boys · 7 births · 1 in 2,425 boysARTennessee: #432 for boys · 5 births · 1 in 6,995 boysTNNorth Carolina: #305 for boys · 16 births · 1 in 2,847 boysNCSouth Carolina: #332 for boys · 8 births · 1 in 3,006 boysSCDistrict of Columbia: fewer than 5 boys named Leo, so not publishedDCOklahoma: fewer than 5 boys named Leo, so not publishedOKLouisiana: #228 for boys · 28 births · 1 in 1,307 boysLAMississippi: #226 for boys · 16 births · 1 in 1,405 boysMSAlabama: #287 for boys · 14 births · 1 in 2,319 boysALGeorgia: #322 for boys · 16 births · 1 in 2,792 boysGAHawaii: fewer than 5 boys named Leo, so not publishedHITexas: #315 for boys · 50 births · 1 in 2,074 boysTXFlorida: #256 for boys · 26 births · 1 in 1,905 boysFL

Hover or tap a state for its numbers.

Top states · boys
  1. New Hampshire#77 · 1 in 475
  2. Rhode Island#79 · 1 in 554
  3. Massachusetts#88 · 1 in 729
  4. Vermont#109 · 1 in 680
  5. New Mexico#127 · 1 in 570

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

Show every state
StateRankBirthsShare
New Hampshire#77121 in 475
Rhode Island#79151 in 554
Massachusetts#88701 in 729
Vermont#10951 in 680
New Mexico#127191 in 570
Montana#16071 in 838
Pennsylvania#171611 in 1,646
South Dakota#17361 in 1,012
Iowa#179171 in 1,458
Connecticut#186131 in 1,924
Wisconsin#187201 in 1,992
Arizona#189161 in 951
Maine#19851 in 1,846
West Virginia#20091 in 1,672
New Jersey#206291 in 2,010
Kansas#209121 in 1,450
Minnesota#209141 in 2,408
Michigan#211421 in 1,900
New York#224821 in 1,994
Colorado#225111 in 1,636
Mississippi#226161 in 1,405
Missouri#226211 in 1,896
Louisiana#228281 in 1,307
Kentucky#233151 in 1,968
Florida#256261 in 1,905
Maryland#257111 in 2,814
California#268811 in 2,159
Illinois#270351 in 2,822
Indiana#286151 in 3,150
Alabama#287141 in 2,319
Arkansas#29271 in 2,425
Washington#29281 in 3,058
Oregon#29851 in 3,077
North Carolina#305161 in 2,847
Texas#315501 in 2,074
Ohio#318211 in 4,486
Georgia#322161 in 2,792
South Carolina#33281 in 3,006
Virginia#338101 in 3,899
Tennessee#43251 in 6,995
Alaska———
Delaware———
District of Columbia———
Hawaii———
Idaho———
Nebraska———
Nevada———
North Dakota———
Oklahoma———
Utah———
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 1965

girls
#5,817
6 births · 1 in 294,194 girls
boys
#247
902 births · 1 in 2,062 boys

Top girls' names in 1965

  1. #1Lisa60,271
  2. #2Mary34,270
  3. #3Karen32,869
  4. #4Kimberly28,836
  5. #5Susan26,321
  6. #6Patricia23,552
  7. #7Donna19,700
  8. #8Linda19,345
  9. #9Cynthia19,239
  10. #10Angela18,754
  11. #5,817Leo6

Top boys' names in 1965

  1. #1Michael80,992
  2. #2John71,493
  3. #3David67,825
  4. #4James67,666
  5. #5Robert63,106
  6. #6William40,111
  7. #7Mark38,244
  8. #8Richard36,817
  9. #9Thomas31,595
  10. #10Jeffrey29,574
  11. #247Leo902
More about 1965

girls

1,765,164 girls got a published name in 1965; 1 in 294,194 of them was named Leo, which outranked 22.8% of the 7,535 girls' names that year. The ten most popular names covered 16.0% of girls (24.6% in 1880, 7.0% in 2025).

Ranked beside Leo
  1. #5,289Zabrina7
  2. #5,289Zan7
  3. #5,289Zetta7
  4. #5,817Leo6
  5. #5,817Adra6
  6. #5,817Adrain6
  7. #5,817Aime6
  8. #6,539Abbigail5
  9. #6,539Abelina5
  10. #6,539Adilia5

Tied with 721 names at #5,817; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 1964
Risers
  1. ↑ 723Marni#1,610 → #887
  2. ↑ 654Dionne#1,281 → #627
  3. ↑ 432Marnie#1,016 → #584
  4. ↑ 426Keli#1,383 → #957
  5. ↑ 368Gia#1,334 → #966
Fallers
  1. ↓ 1,326Djuna#738 → #2,064
  2. ↓ 470Djuana#756 → #1,226
  3. ↓ 383Shirl#714 → #1,097
  4. ↓ 297Beverley#955 → #1,252
  5. ↓ 275Dottie#912 → #1,187

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

boys

1,860,143 boys got a published name in 1965; 1 in 2,062 of them was named Leo, which outranked 94.4% of the 4,425 boys' names that year. The ten most popular names covered 28.4% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Leo
  1. #244Roland933
  2. #245Clinton919
  3. #246Robin916
  4. #247Leo902
  5. #248Johnnie891
  6. #249Jackie886
  7. #250Neal884
Biggest movers since 1964
Risers
  1. ↑ 785Trace#1,655 → #870
  2. ↑ 729Darran#1,729 → #1,000
  3. ↑ 655Daryn#1,371 → #716
  4. ↑ 648Darian#1,545 → #897
  5. ↑ 512Darryn#1,327 → #815
Fallers
  1. ↓ 1,557Jaimie#809 → #2,366
  2. ↓ 443Tammy#875 → #1,318
  3. ↓ 406Destry#637 → #1,043
  4. ↓ 318Dewitt#936 → #1,254
  5. ↓ 303Cassius#860 → #1,163

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

See the top 100 for 1965 →