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#100rank188019001920194019601980200020201935boysat 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 1935

  • Rank in state
  • Top 10
  • 11–50
  • 51–100
  • 101–500
  • 501+
  • Not published
Alaska: fewer than 5 boys named Leo, so not publishedAKMaine: #39 for boys · 37 births · 1 in 169 boysMEVermont: #41 for boys · 17 births · 1 in 145 boysVTNew Hampshire: #27 for boys · 28 births · 1 in 108 boysNHWashington: #93 for boys · 22 births · 1 in 441 boysWAIdaho: #105 for boys · 9 births · 1 in 422 boysIDMontana: #94 for boys · 9 births · 1 in 434 boysMTNorth Dakota: #42 for boys · 32 births · 1 in 182 boysNDMinnesota: #65 for boys · 70 births · 1 in 285 boysMNIllinois: #82 for boys · 109 births · 1 in 477 boysILWisconsin: #66 for boys · 78 births · 1 in 302 boysWIMichigan: #72 for boys · 107 births · 1 in 368 boysMINew York: #79 for boys · 174 births · 1 in 483 boysNYMassachusetts: #37 for boys · 143 births · 1 in 197 boysMARhode Island: #37 for boys · 26 births · 1 in 163 boysRIOregon: #78 for boys · 17 births · 1 in 326 boysORNevada: fewer than 5 boys named Leo, so not publishedNVWyoming: #46 for boys · 10 births · 1 in 158 boysWYSouth Dakota: #51 for boys · 27 births · 1 in 200 boysSDIowa: #74 for boys · 55 births · 1 in 345 boysIAIndiana: #124 for boys · 30 births · 1 in 785 boysINOhio: #103 for boys · 69 births · 1 in 676 boysOHPennsylvania: #75 for boys · 154 births · 1 in 469 boysPANew Jersey: #100 for boys · 32 births · 1 in 764 boysNJConnecticut: #59 for boys · 29 births · 1 in 329 boysCTCalifornia: #113 for boys · 64 births · 1 in 573 boysCAUtah: #118 for boys · 11 births · 1 in 453 boysUTColorado: #54 for boys · 38 births · 1 in 220 boysCONebraska: #88 for boys · 27 births · 1 in 377 boysNEMissouri: #66 for boys · 89 births · 1 in 301 boysMOKentucky: #155 for boys · 28 births · 1 in 934 boysKYWest Virginia: #94 for boys · 37 births · 1 in 484 boysWVVirginia: #184 for boys · 19 births · 1 in 1,152 boysVAMaryland: #108 for boys · 16 births · 1 in 718 boysMDDelaware: fewer than 5 boys named Leo, so not publishedDEArizona: #61 for boys · 18 births · 1 in 222 boysAZNew Mexico: #43 for boys · 29 births · 1 in 168 boysNMKansas: #103 for boys · 31 births · 1 in 432 boysKSArkansas: #119 for boys · 31 births · 1 in 592 boysARTennessee: #236 for boys · 12 births · 1 in 2,181 boysTNNorth Carolina: #134 for boys · 49 births · 1 in 721 boysNCSouth Carolina: #161 for boys · 18 births · 1 in 1,052 boysSCDistrict of Columbia: fewer than 5 boys named Leo, so not publishedDCOklahoma: #97 for boys · 49 births · 1 in 444 boysOKLouisiana: #65 for boys · 71 births · 1 in 268 boysLAMississippi: #116 for boys · 33 births · 1 in 618 boysMSAlabama: #115 for boys · 44 births · 1 in 625 boysALGeorgia: #174 for boys · 24 births · 1 in 1,192 boysGAHawaii: fewer than 5 boys named Leo, so not publishedHITexas: #124 for boys · 91 births · 1 in 626 boysTXFlorida: #131 for boys · 18 births · 1 in 688 boysFL

Hover or tap a state for its numbers.

Top states · boys
  1. New Hampshire#27 · 1 in 108
  2. Rhode Island#37 · 1 in 163
  3. Massachusetts#37 · 1 in 197
  4. Maine#39 · 1 in 169
  5. Vermont#41 · 1 in 145

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

Show every state
StateRankBirthsShare
New Hampshire#27281 in 108
Massachusetts#371431 in 197
Rhode Island#37261 in 163
Maine#39371 in 169
Vermont#41171 in 145
North Dakota#42321 in 182
New Mexico#43291 in 168
Wyoming#46101 in 158
South Dakota#51271 in 200
Colorado#54381 in 220
Connecticut#59291 in 329
Arizona#61181 in 222
Louisiana#65711 in 268
Minnesota#65701 in 285
Missouri#66891 in 301
Wisconsin#66781 in 302
Michigan#721071 in 368
Iowa#74551 in 345
Pennsylvania#751541 in 469
Oregon#78171 in 326
New York#791741 in 483
Illinois#821091 in 477
Nebraska#88271 in 377
Washington#93221 in 441
Montana#9491 in 434
West Virginia#94371 in 484
Oklahoma#97491 in 444
New Jersey#100321 in 764
Kansas#103311 in 432
Ohio#103691 in 676
Idaho#10591 in 422
Maryland#108161 in 718
California#113641 in 573
Alabama#115441 in 625
Mississippi#116331 in 618
Utah#118111 in 453
Arkansas#119311 in 592
Indiana#124301 in 785
Texas#124911 in 626
Florida#131181 in 688
North Carolina#134491 in 721
Kentucky#155281 in 934
South Carolina#161181 in 1,052
Georgia#174241 in 1,192
Virginia#184191 in 1,152
Tennessee#236121 in 2,181
Alaska———
Delaware———
District of Columbia———
Hawaii———
Nevada———

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 1935

girls
#2,305
13 births · 1 in 80,660 girls
boys
#92
2,142 births · 1 in 486 boys

Top girls' names in 1935

  1. #1Mary55,076
  2. #2Shirley42,366
  3. #3Barbara30,698
  4. #4Betty28,674
  5. #5Patricia22,879
  6. #6Dorothy19,406
  7. #7Joan18,220
  8. #8Margaret14,727
  9. #9Nancy14,544
  10. #10Helen12,785
  11. #2,305Leo13

Top boys' names in 1935

  1. #1Robert56,527
  2. #2James55,005
  3. #3John47,509
  4. #4William40,204
  5. #5Richard33,946
  6. #6Charles29,983
  7. #7Donald29,674
  8. #8George18,564
  9. #9Thomas17,684
  10. #10Joseph17,181
  11. #92Leo2,142
More about 1935

girls

1,048,577 girls got a published name in 1935; 1 in 80,660 of them was named Leo, which outranked 52.9% of the 4,893 girls' names that year. The ten most popular names covered 24.7% of girls (24.6% in 1880, 7.0% in 2025).

Ranked beside Leo
  1. #2,206Walda14
  2. #2,206Willow14
  3. #2,206Wynelle14
  4. #2,305Leo13
  5. #2,305Alejandra13
  6. #2,305Almetta13
  7. #2,305Anice13
  8. #2,439Adelyn12
  9. #2,439Aldene12
  10. #2,439Allegra12

Tied with 133 names at #2,305; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 1934
Risers
  1. ↑ 2,736Norita#3,449 → #713
  2. ↑ 1,073Shelby#1,913 → #840
  3. ↑ 672Darla#1,344 → #672
  4. ↑ 396Shirleyann#1,292 → #896
  5. ↑ 375Loris#1,236 → #861
Fallers
  1. ↓ 545Marcelina#938 → #1,483
  2. ↓ 456Tomasa#925 → #1,381
  3. ↓ 393Glendora#938 → #1,331
  4. ↓ 388Marceline#993 → #1,381
  5. ↓ 358Rheta#526 → #884

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

boys

1,041,351 boys got a published name in 1935; 1 in 486 of them was named Leo, which outranked 97.8% of the 4,146 boys' names that year. The ten most popular names covered 33.3% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Leo
  1. #89Edwin2,258
  2. #90Jim2,244
  3. #91Alvin2,165
  4. #92Leo2,142
  5. #93Martin2,116
  6. #94Vernon2,112
  7. #95Tommy2,032
Biggest movers since 1934
Risers
  1. ↑ 1,371Darwyn#2,121 → #750
  2. ↑ 678Landon#1,608 → #930
  3. ↑ 678Stafford#1,658 → #980
  4. ↑ 666Lance#1,658 → #992
  5. ↑ 492Delwin#1,461 → #969
Fallers
  1. ↓ 534Estel#792 → #1,326
  2. ↓ 493Gustav#897 → #1,390
  3. ↓ 381Florian#845 → #1,226
  4. ↓ 353Laurie#942 → #1,295
  5. ↓ 342Valentin#931 → #1,273

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

See the top 100 for 1935 →