Boy

Leonidas

Meaning not yet researched.

2025 rank
#510
591 boys
2015
#518
rank
1950
#2,694
rank

Leonidas: US boys given the name each year, 1880 to 2025, from Social Security card applications. 591 in 2025. Its best rank was #421 in 2022.

US births per year · SSA card applications

Peaked at #421 in 2022; #510 in 2025. Every baby recorded as Leonidas in 2025 was a boy.

Baby name · US data 1880–2025

#510 for US boys in 2025. Its best year was 2022, at #421.

Babies in 2025
591
Since 1880
10,281
Years on record
121

Babies named Leonidas, every year since 1880

Hover, tap or use the arrow keys for any year. Years with fewer than five babies of a sex are not published by SSA and show as zero.

Boys

Leonidas: US boys given the name each year from 1880 to 2025. 591 boys in 2025. Peak: #421 in 2022 · most boys in one year: 760 (2022).

About the name Leonidas

In 2025, 591 US boys were named Leonidas, making it the 510th most common boys’ name of the year, the same rank as in 2024. That is 6 fewer than the 597 boys named Leonidas in 2024. Its best rank for boys was #421, reached in 2022. That year also had the most boys given the name: 760. For comparison, it was #518 in 2015 and #2,694 in 1950.

Social Security card records list Leonidas in 121 years of the 146 from 1880 to 2025, starting in 1880 with 5 babies. In all, 10,281 US babies have been given the name, all of them boys. Its busiest decade was the 2010s, with 4,479 babies named Leonidas.

Over the 10 years from 2016 to 2025, 6,275 US boys were named Leonidas; the busiest of those years was 2022, with 760. In 2025 that was about 1 in 2,890 of the boys in SSA’s list for the year.

Among the states, Leonidas ranked highest in Hawaii in 2025, at #197 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Leo (262,124 babies since 1880), Leon (184,074 babies since 1880), Leone (6,637 babies since 1880) and Lev (3,083 babies since 1880). Rarer spellings such as Leonides, Leonidus and Leonida are summarised on this page. The open nickname list we use links it to Lee and Leon.

Meaning

Meaning not yet researched.

We publish a meaning only with a cited source and a confidence label, and never generate one. Meanings are being researched for the most common names first.

Related spellings

Rare spellings summarised here: Leonides (711), Leonidus (158), Leonida (26), Leonidis (12), Leonide (5), Leonydus (5), Leonydas (5).

Numbers are all-time US births. Links come from Wikidata’s “said to be the same as” (P460, CC0) and our spelling rule: at most two letters different, with the same sound pattern.

Nicknames

Source: carltonnorthern/nicknames (Apache-2.0).

Leonidas by state, 2025

US boys. Rank within each state. SSA leaves out states where fewer than five boys got the name, so 19 are not listed.

StateBirths 2025Rank 2025Rank 2015
Hawaii6#197#190
New Mexico8#256#442
Colorado22#301#391
Utah14#339#468
Connecticut9#353—
Massachusetts14#369#677
Washington20#375#508
Illinois28#392#515
Virginia20#402#851
Florida48#408#460
Missouri16#409#507
Nevada7#425#426
Indiana16#445#503
Texas76#447#487
Nebraska5#477#479
California64#497#386
Oregon7#506#681
Wisconsin10#506#470
New Jersey14#532#374
Arizona13#549#452
Michigan14#591#934
New York26#595#435
Ohio16#610#582
Tennessee11#656#715
Kansas5#661#451
North Carolina14#666#744
Kentucky6#678—
Georgia14#696#607
Pennsylvania12#729#686
Maryland6#770#477
South Carolina5#822—
Minnesota5#883#862

Rank by year

Births and national rank for each year SSA lists the name, newest first.

CSV
YearGirlsGirls rankBoysBoys rank
2025——591#510
2024——597#510
2023——638#476
2022——760#421
2021——688#446
2020——649#457
2019——608#482
2018——569#504
2017——582#498
2016——593#505
2015——556#518
2014——494#559
2013——337#704
2012——288#788
2011——234#888
2010——218#927
2009——201#986
2008——241#880
2007——152#1,167
2006——19#4,795
2005——27#3,581
2004——22#4,085
2003——28#3,332
2002——13#5,599
2001——14#5,303
2000——16#4,707
1999——10#6,318
1998——18#3,946
1997——12#5,153
1996——10#5,804
1995——10#5,748
1994——10#5,724
1993——11#5,224
1992——19#3,411
1991——17#3,565
1990——18#3,402
1989——20#3,044
1988——11#4,337
1987——9#4,792
1986——12#3,787
1985——18#2,783
1984——16#2,896
1983——13#3,341
1982——18#2,656
1981——10#4,026
1980——15#3,041
1979——23#2,203
1978——10#3,741
1977——6#5,552
1976——17#2,563
1975——15#2,709
1974——13#2,884
1973——10#3,346
1972——11#3,080
1971——16#2,425
1970——13#2,692
1969——9#3,219
1968——11#2,674
1967——14#2,216
1966——17#1,935
1965——6#3,757
1964——15#2,166
1963——10#2,785
1962——11#2,602
1961——14#2,295
1960——5#4,373
1959——10#2,748
1958——10#2,742
1957——11#2,577
1956——6#3,765
1955——9#2,883
1954——10#2,673
1953——11#2,470
1951——7#3,238
1950——9#2,694
1949——6#3,540
1948——8#2,922
1947——9#2,783
1946——7#3,065
1945——6#3,184
1944——8#2,763
1943——9#2,658
1941——7#3,020
1940——11#2,257
1939——9#2,550
1938——10#2,416
1937——15#1,883
1936——13#2,019
1935——8#2,842
1934——8#2,854
1933——10#2,459
1932——12#2,266
1931——11#2,407
1930——12#2,383
1929——12#2,398
1928——19#1,799
1927——15#2,160
1926——14#2,261
1925——19#1,844
1924——21#1,754
1923——19#1,844
1922——18#1,930
1921——15#2,218
1920——28#1,408
1919——21#1,671
1918——18#1,867
1917——24#1,465
1916——19#1,673
1915——15#1,932
1914——12#1,919
1913——13#1,551
1911——6#1,652
1901——5#1,140
1898——7#951
1895——5#1,180
1893——6#978
1892——8#835
1887——6#883
1885——5#1,025
1882——6#902
1880——5#1,001

About the data: counts are Social Security card applications for US births, for names given to at least five babies of a sex in a year (SSA, names.zip, public domain). Ranks follow SSA’s own order: most births first, ties alphabetical. Files retrieved 2026-10-05 (checksum on our sources page).