Girl

Unknown

Meaning not yet researched.

2025 rank
#3,293
48 girls
2015
#3,647
rank
1950
#348
rank

Unknown: US girls given the name each year, 1880 to 2025, from Social Security card applications. 48 in 2025. Its best rank was #330 in 1952.

US births per year · SSA card applications

Peaked at #330 in 1952; #3,293 in 2025. About 51% of babies named Unknown in 2025 were girls.

Baby name · US data 1880–2025

#3,293 for US girls in 2025. Its best year was 1952, at #330.

Babies in 2025
95
Since 1880
19,714
Years on record
145

Babies named Unknown, 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.

Girls Boys

Unknown: US girls and boys given the name each year from 1880 to 2025. 48 girls in 2025. Peak: #330 in 1952 · most girls in one year: 644 (1954).

About the name Unknown

In 2025, 48 US girls were named Unknown, making it the 3,293rd most common girls’ name of the year, up 663 places from #3,956 in 2024. That is 10 more than the 38 girls named Unknown in 2024. Its best rank for girls was #330, reached in 1952. The most girls given the name in a single year was 644, in 1954. For comparison, it was #3,647 in 2015 and #348 in 1950.

In 2025, 47 US boys were named Unknown, making it the 2,757th most common boys’ name of the year, up 196 places from #2,953 in 2024. That is 4 more than the 43 boys named Unknown in 2024. Its best rank for boys was #308, reached in 1954. That year also had the most boys given the name: 548. For comparison, it was #2,251 in 2015 and #336 in 1950.

Social Security card records list Unknown in 145 years of the 146 from 1880 to 2025, starting in 1880 with 5 babies. In all, 19,714 US babies have been given the name, 50% of them girls and 50% boys. Its busiest decade was the 1950s, with 8,929 babies named Unknown.

Over the 10 years from 2016 to 2025, 478 US girls were named Unknown; the busiest of those years was 2018, with 66. In 2025 that was about 1 in 33,485 of the girls in SSA’s list for the year.

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.

Rank by year

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

CSV
YearGirlsGirls rankBoysBoys rank
202548#3,29347#2,757
202438#3,95643#2,953
202346#3,47180#1,951
202252#3,16285#1,873
202149#3,29485#1,838
202042#3,60361#2,260
201953#3,08177#1,933
201866#2,64485#1,806
201747#3,38167#2,089
201637#4,07550#2,549
201543#3,64760#2,251
201472#2,51679#1,871
201368#2,62397#1,603
201264#2,76799#1,597
201177#2,41487#1,716
201065#2,75189#1,724
200984#2,336114#1,470
200862#2,88573#1,967
200731#4,80242#2,863
200616#7,85125#3,993
200525#5,25123#4,052
200420#6,20424#3,853
200330#4,41131#3,112
200218#6,37827#3,341
200128#4,44015#5,132
200042#3,26739#2,475
199926#4,43616#4,528
199818#5,79115#4,635
199716#6,15634#2,444
199653#2,45053#1,762
1995223#866248#667
1994161#1,124163#839
199394#1,628121#990
1992135#1,272155#853
1991258#796299#588
1990162#1,092192#738
1989251#774262#610
198868#1,83894#1,011
198718#4,65615#3,330
19868#8,4919#4,829
1985——11#4,035
19847#9,1085#7,289
198312#5,8088#4,878
198216#4,70912#3,674
198111#6,30518#2,676
19807#9,0629#4,475
197910#6,67712#3,557
19789#6,92810#3,837
197712#5,52313#3,190
197617#3,95613#3,087
197521#3,39518#2,447
19748#6,87420#2,193
197323#3,01220#2,119
197214#4,29015#2,528
197118#3,64333#1,524
197018#3,56942#1,295
196923#2,83928#1,564
196819#3,05031#1,425
196718#3,07441#1,180
196634#2,02140#1,192
196529#2,24535#1,316
196444#1,77949#1,093
196354#1,54671#890
196257#1,493105#747
196196#1,124168#614
1960133#925194#564
1959145#851188#569
1958209#685269#479
1957323#533391#386
1956540#384457#346
1955564#368497#332
1954644#336548#308
1953600#338525#313
1952622#330488#321
1951565#334439#328
1950511#348404#336
1949443#373278#402
1948294#469163#520
1947148#69699#697
1946104#81443#1,058
194554#1,07742#993
194460#1,01527#1,310
194356#1,07630#1,279
194229#1,55514#2,038
194117#2,0929#2,641
194019#1,8946#3,439
193912#2,5737#3,091
193810#2,9215#4,000
193713#2,4416#3,499
193610#2,842——
193512#2,5596#3,617
19349#3,1367#3,256
19337#3,7166#3,610
193214#2,3568#3,076
193113#2,4176#3,730
193010#3,03613#2,284
192910#3,12310#2,750
192812#2,75310#2,833
192711#3,0397#3,755
19267#4,26913#2,424
19256#4,92122#1,675
192410#3,3637#3,841
19235#5,66724#1,587
192214#2,59618#1,946
192112#2,92420#1,825
19209#3,57118#1,956
191913#2,62828#1,380
191820#1,95531#1,283
191719#1,91722#1,583
191613#2,48724#1,457
191519#1,79224#1,406
191411#2,24918#1,483
191311#2,02017#1,309
191212#1,71315#1,259
19115#2,83419#756
1910——13#924
1909——6#1,429
19085#2,4048#1,105
19078#1,63112#809
1906——9#919
190511#1,2339#916
190410#1,2457#1,057
19036#1,7766#1,122
19027#1,57916#554
19016#1,6599#777
190015#1,00516#648
189910#1,0928#850
18987#1,49215#570
18977#1,3769#783
18966#1,5709#819
1895——9#790
18948#1,22812#627
1893——7#899
1892——14#571
1891——9#698
18907#1,1955#1,151
18898#1,0186#966
1888——6#1,022
1887——5#1,059
18865#1,276——
1885——7#830
1883——7#793
1882——7#831
1881——8#700
1880——5#1,049

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).