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#100rank188019001920194019601980200020201954boysat 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 1954

  • Rank in state
  • Top 10
  • 11–50
  • 51–100
  • 101–500
  • 501+
  • Not published
Alaska: fewer than 5 boys named Leo, so not publishedAKMaine: #90 for boys · 19 births · 1 in 542 boysMEVermont: #96 for boys · 8 births · 1 in 500 boysVTNew Hampshire: #61 for boys · 17 births · 1 in 333 boysNHWashington: #190 for boys · 19 births · 1 in 1,629 boysWAIdaho: #215 for boys · 5 births · 1 in 1,482 boysIDMontana: #201 for boys · 5 births · 1 in 1,499 boysMTNorth Dakota: #137 for boys · 9 births · 1 in 858 boysNDMinnesota: #168 for boys · 25 births · 1 in 1,557 boysMNIllinois: #166 for boys · 76 births · 1 in 1,397 boysILWisconsin: #176 for boys · 22 births · 1 in 2,010 boysWIMichigan: #171 for boys · 67 births · 1 in 1,396 boysMINew York: #145 for boys · 132 births · 1 in 1,288 boysNYMassachusetts: #67 for boys · 113 births · 1 in 472 boysMARhode Island: #67 for boys · 22 births · 1 in 417 boysRIOregon: #168 for boys · 15 births · 1 in 1,206 boysORNevada: fewer than 5 boys named Leo, so not publishedNVWyoming: fewer than 5 boys named Leo, so not publishedWYSouth Dakota: #142 for boys · 9 births · 1 in 907 boysSDIowa: #148 for boys · 27 births · 1 in 1,140 boysIAIndiana: #216 for boys · 22 births · 1 in 2,385 boysINOhio: #189 for boys · 57 births · 1 in 1,917 boysOHPennsylvania: #127 for boys · 110 births · 1 in 1,096 boysPANew Jersey: #130 for boys · 43 births · 1 in 1,306 boysNJConnecticut: #124 for boys · 20 births · 1 in 1,186 boysCTCalifornia: #176 for boys · 117 births · 1 in 1,313 boysCAUtah: #195 for boys · 9 births · 1 in 1,263 boysUTColorado: #155 for boys · 20 births · 1 in 948 boysCONebraska: #127 for boys · 21 births · 1 in 734 boysNEMissouri: #199 for boys · 28 births · 1 in 1,671 boysMOKentucky: #237 for boys · 16 births · 1 in 2,306 boysKYWest Virginia: #228 for boys · 10 births · 1 in 2,259 boysWVVirginia: #233 for boys · 21 births · 1 in 2,086 boysVAMaryland: #128 for boys · 35 births · 1 in 861 boysMDDelaware: fewer than 5 boys named Leo, so not publishedDEArizona: #103 for boys · 30 births · 1 in 432 boysAZNew Mexico: #103 for boys · 25 births · 1 in 465 boysNMKansas: #180 for boys · 20 births · 1 in 1,215 boysKSArkansas: #159 for boys · 21 births · 1 in 998 boysARTennessee: #231 for boys · 19 births · 1 in 2,191 boysTNNorth Carolina: #260 for boys · 23 births · 1 in 2,397 boysNCSouth Carolina: #193 for boys · 24 births · 1 in 1,307 boysSCDistrict of Columbia: #190 for boys · 9 births · 1 in 1,624 boysDCOklahoma: #169 for boys · 21 births · 1 in 1,179 boysOKLouisiana: #119 for boys · 74 births · 1 in 545 boysLAMississippi: #172 for boys · 28 births · 1 in 1,048 boysMSAlabama: #204 for boys · 26 births · 1 in 1,492 boysALGeorgia: #262 for boys · 21 births · 1 in 2,311 boysGAHawaii: fewer than 5 boys named Leo, so not publishedHITexas: #184 for boys · 111 births · 1 in 1,092 boysTXFlorida: #190 for boys · 30 births · 1 in 1,364 boysFL

Hover or tap a state for its numbers.

Top states · boys
  1. New Hampshire#61 · 1 in 333
  2. Rhode Island#67 · 1 in 417
  3. Massachusetts#67 · 1 in 472
  4. Maine#90 · 1 in 542
  5. Vermont#96 · 1 in 500

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

Show every state
StateRankBirthsShare
New Hampshire#61171 in 333
Massachusetts#671131 in 472
Rhode Island#67221 in 417
Maine#90191 in 542
Vermont#9681 in 500
Arizona#103301 in 432
New Mexico#103251 in 465
Louisiana#119741 in 545
Connecticut#124201 in 1,186
Nebraska#127211 in 734
Pennsylvania#1271101 in 1,096
Maryland#128351 in 861
New Jersey#130431 in 1,306
North Dakota#13791 in 858
South Dakota#14291 in 907
New York#1451321 in 1,288
Iowa#148271 in 1,140
Colorado#155201 in 948
Arkansas#159211 in 998
Illinois#166761 in 1,397
Minnesota#168251 in 1,557
Oregon#168151 in 1,206
Oklahoma#169211 in 1,179
Michigan#171671 in 1,396
Mississippi#172281 in 1,048
California#1761171 in 1,313
Wisconsin#176221 in 2,010
Kansas#180201 in 1,215
Texas#1841111 in 1,092
Ohio#189571 in 1,917
District of Columbia#19091 in 1,624
Florida#190301 in 1,364
Washington#190191 in 1,629
South Carolina#193241 in 1,307
Utah#19591 in 1,263
Missouri#199281 in 1,671
Montana#20151 in 1,499
Alabama#204261 in 1,492
Idaho#21551 in 1,482
Indiana#216221 in 2,385
West Virginia#228101 in 2,259
Tennessee#231191 in 2,191
Virginia#233211 in 2,086
Kentucky#237161 in 2,306
North Carolina#260231 in 2,397
Georgia#262211 in 2,311
Alaska———
Delaware———
Hawaii———
Nevada———
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 1954

girls
#5,148
6 births · 1 in 323,653 girls
boys
#172
1,613 births · 1 in 1,264 boys

Top girls' names in 1954

  1. #1Mary68,019
  2. #2Linda55,371
  3. #3Deborah54,674
  4. #4Patricia49,149
  5. #5Susan47,162
  6. #6Debra45,896
  7. #7Barbara36,368
  8. #8Karen32,456
  9. #9Nancy30,270
  10. #10Cynthia27,615
  11. #5,148Leo6

Top boys' names in 1954

  1. #1Michael88,568
  2. #2Robert86,331
  3. #3James86,311
  4. #4John81,168
  5. #5David79,556
  6. #6William61,426
  7. #7Richard57,042
  8. #8Thomas47,159
  9. #9Gary37,920
  10. #10Charles37,463
  11. #172Leo1,613
More about 1954

girls

1,941,915 girls got a published name in 1954; 1 in 323,653 of them was named Leo, which outranked 22.3% of the 6,625 girls' names that year. The ten most popular names covered 23.0% of girls (24.6% in 1880, 7.0% in 2025).

Ranked beside Leo
  1. #4,655Zanna7
  2. #4,655Zelia7
  3. #4,655Zoeann7
  4. #5,148Leo6
  5. #5,148Adel6
  6. #5,148Adrien6
  7. #5,148Afton6
  8. #5,753Adana5
  9. #5,753Adrain5
  10. #5,753Adrean5

Tied with 604 names at #5,148; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 1953
Risers
  1. ↑ 1,699Sherree#2,699 → #1,000
  2. ↑ 1,434Sabrina#2,236 → #802
  3. ↑ 932Valinda#1,738 → #806
  4. ↑ 748Sheree#1,071 → #323
  5. ↑ 421Sherie#1,248 → #827
Fallers
  1. ↓ 396Enola#948 → #1,344
  2. ↓ 311Ila#782 → #1,093
  3. ↓ 302Nancie#816 → #1,118
  4. ↓ 282Arline#904 → #1,186
  5. ↓ 269Candyce#944 → #1,213

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

boys

2,038,751 boys got a published name in 1954; 1 in 1,264 of them was named Leo, which outranked 96.1% of the 4,360 boys' names that year. The ten most popular names covered 32.5% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Leo
  1. #169Manuel1,686
  2. #170Kerry1,662
  3. #171Jimmie1,621
  4. #172Leo1,613
  5. #173Carlos1,611
  6. #174Jim1,593
  7. #175Milton1,581
Biggest movers since 1953
Risers
  1. ↑ 592Ricci#1,331 → #739
  2. ↑ 470Demetrius#1,357 → #887
  3. ↑ 382Crawford#1,378 → #996
  4. ↑ 310Gavin#1,139 → #829
  5. ↑ 296Dino#1,058 → #762
Fallers
  1. ↓ 504Arlin#878 → #1,382
  2. ↓ 347Adan#895 → #1,242
  3. ↓ 345Dayton#966 → #1,311
  4. ↓ 302Garey#966 → #1,268
  5. ↓ 293Bartholomew#975 → #1,268

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

See the top 100 for 1954 →