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#100rank188019001920194019601980200020201963boysat 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 1963

  • Rank in state
  • Top 10
  • 11–50
  • 51–100
  • 101–500
  • 501+
  • Not published
Alaska: #147 for boys · 5 births · 1 in 647 boysAKMaine: #102 for boys · 16 births · 1 in 630 boysMEVermont: fewer than 5 boys named Leo, so not publishedVTNew Hampshire: #99 for boys · 10 births · 1 in 610 boysNHWashington: #220 for boys · 17 births · 1 in 1,698 boysWAIdaho: fewer than 5 boys named Leo, so not publishedIDMontana: #216 for boys · 5 births · 1 in 1,387 boysMTNorth Dakota: fewer than 5 boys named Leo, so not publishedNDMinnesota: #270 for boys · 10 births · 1 in 3,870 boysMNIllinois: #247 for boys · 43 births · 1 in 2,507 boysILWisconsin: #165 for boys · 28 births · 1 in 1,570 boysWIMichigan: #200 for boys · 48 births · 1 in 1,792 boysMINew York: #243 for boys · 75 births · 1 in 2,327 boysNYMassachusetts: #93 for boys · 68 births · 1 in 806 boysMARhode Island: #79 for boys · 14 births · 1 in 608 boysRIOregon: fewer than 5 boys named Leo, so not publishedORNevada: fewer than 5 boys named Leo, so not publishedNVWyoming: fewer than 5 boys named Leo, so not publishedWYSouth Dakota: #189 for boys · 6 births · 1 in 1,229 boysSDIowa: #244 for boys · 11 births · 1 in 2,551 boysIAIndiana: #241 for boys · 22 births · 1 in 2,332 boysINOhio: #228 for boys · 43 births · 1 in 2,401 boysOHPennsylvania: #178 for boys · 63 births · 1 in 1,731 boysPANew Jersey: #205 for boys · 30 births · 1 in 2,060 boysNJConnecticut: #178 for boys · 15 births · 1 in 1,738 boysCTCalifornia: #234 for boys · 108 births · 1 in 1,739 boysCAUtah: fewer than 5 boys named Leo, so not publishedUTColorado: #292 for boys · 8 births · 1 in 2,616 boysCONebraska: #207 for boys · 9 births · 1 in 1,704 boysNEMissouri: #227 for boys · 22 births · 1 in 2,026 boysMOKentucky: #251 for boys · 15 births · 1 in 2,204 boysKYWest Virginia: #294 for boys · 5 births · 1 in 3,401 boysWVVirginia: #286 for boys · 16 births · 1 in 2,696 boysVAMaryland: #250 for boys · 13 births · 1 in 2,519 boysMDDelaware: fewer than 5 boys named Leo, so not publishedDEArizona: #197 for boys · 16 births · 1 in 1,038 boysAZNew Mexico: #127 for boys · 21 births · 1 in 580 boysNMKansas: #266 for boys · 9 births · 1 in 2,287 boysKSArkansas: #368 for boys · 5 births · 1 in 3,890 boysARTennessee: #335 for boys · 10 births · 1 in 3,813 boysTNNorth Carolina: #494 for boys · 6 births · 1 in 8,405 boysNCSouth Carolina: #257 for boys · 13 births · 1 in 2,071 boysSCDistrict of Columbia: #167 for boys · 14 births · 1 in 1,048 boysDCOklahoma: #391 for boys · 5 births · 1 in 4,506 boysOKLouisiana: #237 for boys · 27 births · 1 in 1,467 boysLAMississippi: #282 for boys · 12 births · 1 in 2,153 boysMSAlabama: #295 for boys · 14 births · 1 in 2,503 boysALGeorgia: #326 for boys · 15 births · 1 in 3,133 boysGAHawaii: fewer than 5 boys named Leo, so not publishedHITexas: #271 for boys · 73 births · 1 in 1,580 boysTXFlorida: #274 for boys · 24 births · 1 in 2,228 boysFL

Hover or tap a state for its numbers.

Top states · boys
  1. Rhode Island#79 · 1 in 608
  2. Massachusetts#93 · 1 in 806
  3. New Hampshire#99 · 1 in 610
  4. Maine#102 · 1 in 630
  5. New Mexico#127 · 1 in 580

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

Show every state
StateRankBirthsShare
Rhode Island#79141 in 608
Massachusetts#93681 in 806
New Hampshire#99101 in 610
Maine#102161 in 630
New Mexico#127211 in 580
Alaska#14751 in 647
Wisconsin#165281 in 1,570
District of Columbia#167141 in 1,048
Connecticut#178151 in 1,738
Pennsylvania#178631 in 1,731
South Dakota#18961 in 1,229
Arizona#197161 in 1,038
Michigan#200481 in 1,792
New Jersey#205301 in 2,060
Nebraska#20791 in 1,704
Montana#21651 in 1,387
Washington#220171 in 1,698
Missouri#227221 in 2,026
Ohio#228431 in 2,401
California#2341081 in 1,739
Louisiana#237271 in 1,467
Indiana#241221 in 2,332
New York#243751 in 2,327
Iowa#244111 in 2,551
Illinois#247431 in 2,507
Maryland#250131 in 2,519
Kentucky#251151 in 2,204
South Carolina#257131 in 2,071
Kansas#26691 in 2,287
Minnesota#270101 in 3,870
Texas#271731 in 1,580
Florida#274241 in 2,228
Mississippi#282121 in 2,153
Virginia#286161 in 2,696
Colorado#29281 in 2,616
West Virginia#29451 in 3,401
Alabama#295141 in 2,503
Georgia#326151 in 3,133
Tennessee#335101 in 3,813
Arkansas#36851 in 3,890
Oklahoma#39151 in 4,506
North Carolina#49461 in 8,405
Delaware———
Hawaii———
Idaho———
Nevada———
North Dakota———
Oregon———
Utah———
Vermont———
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 1963

girls
#5,891
6 births · 1 in 321,251 girls
boys
#237
1,016 births · 1 in 1,999 boys

Top girls' names in 1963

  1. #1Lisa56,047
  2. #2Mary41,546
  3. #3Susan33,991
  4. #4Karen32,492
  5. #5Linda27,727
  6. #6Donna25,405
  7. #7Patricia25,374
  8. #8Lori23,899
  9. #9Sandra21,621
  10. #10Cynthia21,589
  11. #5,891Leo6

Top boys' names in 1963

  1. #1Michael83,771
  2. #2John78,636
  3. #3David78,444
  4. #4James71,294
  5. #5Robert70,007
  6. #6Mark49,342
  7. #7William44,453
  8. #8Richard40,772
  9. #9Thomas35,490
  10. #10Jeffrey31,701
  11. #237Leo1,016
More about 1963

girls

1,927,507 girls got a published name in 1963; 1 in 321,251 of them was named Leo, which outranked 23.1% of the 7,661 girls' names that year. The ten most popular names covered 16.1% of girls (24.6% in 1880, 7.0% in 2025).

Ranked beside Leo
  1. #5,296Xavier7
  2. #5,296Yamile7
  3. #5,296Zenna7
  4. #5,891Leo6
  5. #5,891Acquanetta6
  6. #5,891Adline6
  7. #5,891Adona6
  8. #6,592Abagail5
  9. #6,592Abigale5
  10. #6,592Adah5

Tied with 700 names at #5,891; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 1962
Risers
  1. ↑ 631Zena#1,323 → #692
  2. ↑ 623Zina#992 → #369
  3. ↑ 540Trisha#1,020 → #480
  4. ↑ 457Shirl#1,304 → #847
  5. ↑ 396Glynis#992 → #596
Fallers
  1. ↓ 1,195Marnita#727 → #1,922
  2. ↓ 255Velvet#623 → #878
  3. ↓ 235Delphine#904 → #1,139
  4. ↓ 224Rosita#934 → #1,158
  5. ↓ 197Lindy#885 → #1,082

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

boys

2,031,078 boys got a published name in 1963; 1 in 1,999 of them was named Leo, which outranked 94.9% of the 4,621 boys' names that year. The ten most popular names covered 28.7% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Leo
  1. #234Clayton1,023
  2. #235Oscar1,021
  3. #236Sam1,017
  4. #237Leo1,016
  5. #238Johnnie1,013
  6. #238Terrence1,013
  7. #240Clyde1,008
Biggest movers since 1962
Risers
  1. ↑ 1,551Tal#2,364 → #813
  2. ↑ 1,141Jaimie#1,962 → #821
  3. ↑ 540Stoney#1,038 → #498
  4. ↑ 364Pamela#1,311 → #947
  5. ↑ 331Giovanni#1,242 → #911
Fallers
  1. ↓ 324Olin#871 → #1,195
  2. ↓ 295Enoch#984 → #1,279
  3. ↓ 285Rand#953 → #1,238
  4. ↓ 283Vernell#996 → #1,279
  5. ↓ 269Bentley#926 → #1,195

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

See the top 100 for 1963 →