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#100rank188019001920194019601980200020201920boysat 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 1920

  • Rank in state
  • Top 10
  • 11–50
  • 51–100
  • 101–500
  • 501+
  • Not published
Alaska: fewer than 5 boys named Leo, so not publishedAKMaine: #27 for boys · 56 births · 1 in 105 boysMEVermont: #37 for boys · 18 births · 1 in 129 boysVTNew Hampshire: #24 for boys · 34 births · 1 in 91 boysNHWashington: #57 for boys · 39 births · 1 in 250 boysWAIdaho: #53 for boys · 21 births · 1 in 191 boysIDMontana: #40 for boys · 29 births · 1 in 165 boysMTNorth Dakota: #39 for boys · 49 births · 1 in 135 boysNDMinnesota: #38 for boys · 144 births · 1 in 146 boysMNIllinois: #45 for boys · 283 births · 1 in 189 boysILWisconsin: #47 for boys · 138 births · 1 in 164 boysWIMichigan: #34 for boys · 236 births · 1 in 143 boysMINew York: #49 for boys · 442 births · 1 in 205 boysNYMassachusetts: #29 for boys · 262 births · 1 in 127 boysMARhode Island: #25 for boys · 48 births · 1 in 106 boysRIOregon: #73 for boys · 18 births · 1 in 312 boysORNevada: fewer than 5 boys named Leo, so not publishedNVWyoming: #44 for boys · 11 births · 1 in 146 boysWYSouth Dakota: #33 for boys · 53 births · 1 in 118 boysSDIowa: #42 for boys · 130 births · 1 in 161 boysIAIndiana: #62 for boys · 80 births · 1 in 299 boysINOhio: #64 for boys · 155 births · 1 in 318 boysOHPennsylvania: #54 for boys · 316 births · 1 in 269 boysPANew Jersey: #65 for boys · 86 births · 1 in 338 boysNJConnecticut: #52 for boys · 56 births · 1 in 222 boysCTCalifornia: #55 for boys · 93 births · 1 in 280 boysCAUtah: #45 for boys · 28 births · 1 in 167 boysUTColorado: #52 for boys · 35 births · 1 in 234 boysCONebraska: #28 for boys · 103 births · 1 in 116 boysNEMissouri: #51 for boys · 123 births · 1 in 227 boysMOKentucky: #83 for boys · 55 births · 1 in 453 boysKYWest Virginia: #108 for boys · 25 births · 1 in 608 boysWVVirginia: #148 for boys · 26 births · 1 in 921 boysVAMaryland: #63 for boys · 37 births · 1 in 349 boysMDDelaware: fewer than 5 boys named Leo, so not publishedDEArizona: #69 for boys · 12 births · 1 in 304 boysAZNew Mexico: #37 for boys · 25 births · 1 in 147 boysNMKansas: #40 for boys · 105 births · 1 in 151 boysKSArkansas: #71 for boys · 54 births · 1 in 324 boysARTennessee: #129 for boys · 28 births · 1 in 840 boysTNNorth Carolina: #120 for boys · 47 births · 1 in 699 boysNCSouth Carolina: #123 for boys · 29 births · 1 in 732 boysSCDistrict of Columbia: #59 for boys · 10 births · 1 in 298 boysDCOklahoma: #44 for boys · 125 births · 1 in 174 boysOKLouisiana: #50 for boys · 81 births · 1 in 231 boysLAMississippi: #97 for boys · 43 births · 1 in 448 boysMSAlabama: #98 for boys · 51 births · 1 in 502 boysALGeorgia: #148 for boys · 33 births · 1 in 971 boysGAHawaii: fewer than 5 boys named Leo, so not publishedHITexas: #72 for boys · 149 births · 1 in 341 boysTXFlorida: #65 for boys · 29 births · 1 in 333 boysFL

Hover or tap a state for its numbers.

Top states · boys
  1. New Hampshire#24 · 1 in 91
  2. Rhode Island#25 · 1 in 106
  3. Maine#27 · 1 in 105
  4. Nebraska#28 · 1 in 116
  5. Massachusetts#29 · 1 in 127

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

Show every state
StateRankBirthsShare
New Hampshire#24341 in 91
Rhode Island#25481 in 106
Maine#27561 in 105
Nebraska#281031 in 116
Massachusetts#292621 in 127
South Dakota#33531 in 118
Michigan#342361 in 143
New Mexico#37251 in 147
Vermont#37181 in 129
Minnesota#381441 in 146
North Dakota#39491 in 135
Kansas#401051 in 151
Montana#40291 in 165
Iowa#421301 in 161
Oklahoma#441251 in 174
Wyoming#44111 in 146
Illinois#452831 in 189
Utah#45281 in 167
Wisconsin#471381 in 164
New York#494421 in 205
Louisiana#50811 in 231
Missouri#511231 in 227
Colorado#52351 in 234
Connecticut#52561 in 222
Idaho#53211 in 191
Pennsylvania#543161 in 269
California#55931 in 280
Washington#57391 in 250
District of Columbia#59101 in 298
Indiana#62801 in 299
Maryland#63371 in 349
Ohio#641551 in 318
Florida#65291 in 333
New Jersey#65861 in 338
Arizona#69121 in 304
Arkansas#71541 in 324
Texas#721491 in 341
Oregon#73181 in 312
Kentucky#83551 in 453
Mississippi#97431 in 448
Alabama#98511 in 502
West Virginia#108251 in 608
North Carolina#120471 in 699
South Carolina#123291 in 732
Tennessee#129281 in 840
Georgia#148331 in 971
Virginia#148261 in 921
Alaska———
Delaware———
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 1920

girls
#921
62 births · 1 in 19,327 girls
boys
#48
4,054 births · 1 in 263 boys

Top girls' names in 1920

  1. #1Mary70,983
  2. #2Dorothy36,643
  3. #3Helen35,097
  4. #4Margaret27,994
  5. #5Ruth26,102
  6. #6Mildred18,060
  7. #7Virginia17,314
  8. #8Elizabeth15,908
  9. #9Frances15,883
  10. #10Anna14,581
  11. #921Leo62

Top boys' names in 1920

  1. #1John56,913
  2. #2William50,146
  3. #3Robert48,679
  4. #4James47,908
  5. #5Charles28,309
  6. #6George26,891
  7. #7Joseph25,587
  8. #8Edward20,097
  9. #9Frank16,430
  10. #10Richard15,010
  11. #48Leo4,054
More about 1920

girls

1,198,289 girls got a published name in 1920; 1 in 19,327 of them was named Leo, which outranked 84.0% of the 5,767 girls' names that year. The ten most popular names covered 23.2% of girls (24.6% in 1880, 7.0% in 2025).

Ranked beside Leo
  1. #914Dorathy63
  2. #914Fae63
  3. #914Wynona63
  4. #921Leo62
  5. #921Blossom62
  6. #921Erlene62
  7. #921Eulah62
  8. #931Denise61
  9. #931Erline61
  10. #931Eudora61

Tied with 9 names at #921; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 1919
Risers
  1. ↑ 550Denise#1,481 → #931
  2. ↑ 321Blossom#1,242 → #921
  3. ↑ 311Lilia#1,242 → #931
  4. ↑ 302Ena#1,270 → #968
  5. ↑ 277Lorayne#1,216 → #939
Fallers
  1. ↓ 594Haruko#917 → #1,511
  2. ↓ 511Roselle#1,000 → #1,511
  3. ↓ 345Toshiko#967 → #1,312
  4. ↓ 304Carroll#902 → #1,206
  5. ↓ 297Santina#835 → #1,132

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

boys

1,064,356 boys got a published name in 1920; 1 in 263 of them was named Leo, which outranked 99.0% of the 4,989 boys' names that year. The ten most popular names covered 31.6% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Leo
  1. #45Elmer4,206
  2. #46Bernard4,163
  3. #47Norman4,109
  4. #48Leo4,054
  5. #49Andrew4,026
  6. #50Michael4,003
  7. #51Russell3,901
Biggest movers since 1919
Risers
  1. ↑ 960Harding#1,351 → #391
  2. ↑ 607Cameron#1,351 → #744
  3. ↑ 566Hardin#1,531 → #965
  4. ↑ 392Laurel#1,321 → #929
  5. ↑ 368Terrence#1,297 → #929
Fallers
  1. ↓ 789Pershing#593 → #1,382
  2. ↓ 580Woodroe#877 → #1,457
  3. ↓ 385Quinten#867 → #1,252
  4. ↓ 383Orvel#890 → #1,273
  5. ↓ 373Rexford#927 → #1,300

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

See the top 100 for 1920 →