Unknown

#3,249 for girls in 2025, 48 births · #2,718 for boys in 2025, 47 births
Given to boys 50.2% of the time

Showing
Show data for
Peak · boys
#308
1954 · 548 births
Debut · boys
1880
5 births
In top 100 · boys
never
of 146 years
Total births · boys
9,888
since 1880

Unknown over time

girlsboys

Rank within each sex, plotted together. Click any year to open it.

#1#10#100#1,000#10,000rank188019001920194019601980200020201971peak #330, 1952peak #308, 1954girlsboys
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#3,24948#2,71847
2024#3,89238#2,91543
2023#3,42846#1,94180
2022#3,12352#1,86185
2021#3,25049#1,82385
2020#3,54642#2,23561
2019#3,04353#1,91777
2018#2,61066#1,79285
2017#3,34647#2,06567
2016#3,99637#2,51850
2015#3,59543#2,23460
2014#2,49772#1,85779
2013#2,59768#1,58897
2012#2,73464#1,58899
2011#2,39577#1,70387
2010#2,72665#1,71389
2009#2,31684#1,459114
2008#2,85562#1,94873
2007#4,67531#2,81142
2006#7,48216#3,88825
2005#5,11325#3,94123
2004#5,96920#3,73524
2003#4,30730#3,04431
2002#6,12918#3,25927
2001#4,32128#4,89015
2000#3,21642#2,42539
1999#4,31326#4,34116
1998#5,58318#4,41315
1997#5,86816#2,39634
1996#2,42353#1,74053
1995#865223#665248
1994#1,115161#835163
1993#1,61194#983121
1992#1,264135#850155
1991#794258#588299
1990#1,088162#738192
1989#773251#609262
1988#1,82268#1,00394
1987#4,47418#3,20115
1986#7,7498#4,4579
1985—#3,80511
1984#8,1537#6,3155
1983#5,45712#4,4998
1982#4,52716#3,48212
1981#5,88511#2,56918
1980#8,1787#4,1349
1979#6,18910#3,35712
1978#6,3859#3,61410
1977#5,21312#3,03713
1976#3,81217#2,94613
1975#3,25921#2,36118
1974#6,2588#2,12920
1973#2,91423#2,03620
1972#4,09114#2,41815
1971#3,50818#1,49433
1970#3,43518#1,27842
1969#2,76823#1,52628
1968#2,96919#1,39331
1967#2,96318#1,16541
1966#1,98234#1,17840
1965#2,20429#1,29435
1964#1,74744#1,08249
1963#1,52254#88671
1962#1,47657#746105
1961#1,12296#610168
1960#920133#563194
1959#848145#568188
1958#684209#479269
1957#533323#386391
1956#384540#346457
1955#368564#332497
1954#336644#308548
1953#338600#313525
1952#330622#320488
1951#333565#328439
1950#347511#335404
1949#373443#402278
1948#468294#516163
1947#691148#69699
1946#809104#1,04543
1945#1,06054#98642
1944#1,00560#1,28227
1943#1,07056#1,25830
1942#1,53329#1,94614
1941#2,01817#2,4919
1940#1,84519#3,1306
1939#2,41712#2,8297
1938#2,73010#3,5345
1937#2,31713#3,1756
1936#2,68910—
1935#2,43912#3,2526
1934#2,9239#2,9737
1933#3,4067#3,2686
1932#2,23514#2,8498
1931#2,30713#3,3906
1930#2,84510#2,17813
1929#2,92110#2,58910
1928#2,62312#2,65910
1927#2,85911#3,4517
1926#3,8737#2,30213
1925#4,4266#1,62822
1924#3,14410#3,5057
1923#4,9675#1,55124
1922#2,47914#1,88318
1921#2,76212#1,76620
1920#3,3409#1,88518
1919#2,51513#1,35128
1918#1,88720#1,25631
1917#1,84719#1,52822
1916#2,36813#1,41524
1915#1,73819#1,37224
1914#2,12511#1,44118
1913#1,88311#1,25617
1912#1,62012#1,22315
1911#2,4635#73219
1910—#85913
1909—#1,2776
1908#2,1015#1,0218
1907#1,5128#77812
1906—#8529
1905#1,16211#8369
1904#1,17010#9667
1903#1,5926#1,0096
1902#1,4387#53616
1901#1,4666#7279
1900#97015#62316
1899#1,03410#7868
1898#1,3797#54315
1897#1,2637#7259
1896#1,4166#7789
1895—#7389
1894#1,1368#59412
1893—#8367
1892—#54714
1891—#6359
1890#1,0997#9945
1889#9508#8786
1888—#9176
1887—#9215
1886#1,1085—
1885—#7657
1884——
1883—#7207
1882—#7547
1881—#6538
1880—#9095
First appearance
1880

In the first year the SSA published name data, Unknown was already there! It came in at #909, and was given to 5 baby boys.

Quietest stretch: 1884, when fewer than 5 boys a year got the name.

See more about Unknown
Momentum · boys
Holding steady
  • 197 spots since 2024 (#2,915 → #2,718)
  • 483 spots since 2020 (#2,235 → #2,718)
  • 484 spots since 2015 (#2,234 → #2,718)
  • Biggest jump: 418 spots in 1910 (#1,277 → #859)
  • Biggest drop: 1,075 spots in 1996 (#665 → #1,740)
Rise & fade · boys
74 yrs to peak
  • Debuted 1880
  • Peaked 1954 at #308 (548 births)
  • Births halved by 1958, 4 yrs later
Top of the charts · boys
Top 1,000 for 52 yrs
  • Top 10: never
  • Top 100: never
  • Top 1,000: 52 yrs · run 1947–1963
Share of babies · boys
1 in 3,720
  • Highest: 1 in 3,720 boys born in 1954 were named Unknown (0.03%)
  • Latest: 1 in 36,342 boys born in 2025 (0.00%)
Era · boys
The 1950s
  • 42.5% of all boys named Unknown (4,206) were born in this decade
Girls or boys?
Flipped in 2025
  • Mostly boys until 2024, mostly girls since
all girlsall boys
Show by decade
DecadeBirthsBest rankAvg rank
1880s51#653 (1881)#815
1890s97#543 (1898)#718
1900s98#536 (1902)#863
1910s211#732 (1911)#1,243
1920s149#1,551 (1923)#2,322
1930s64#2,178 (1930)#3,050
1940s711#402 (1949)#1,375
1950s4,206#308 (1954)#372
1960s762#563 (1960)#1,044
1970s196#1,278 (1970)#2,467
1980s443#609 (1989)#3,407
1990s1,296#588 (1991)#1,755
2000s413#1,459 (2009)#3,140
2010s790#1,588 (2012)#1,898
2020s401#1,823 (2021)#2,249

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.

Unknown in 1971

girls
#3,508
18 births · 1 in 92,435 girls
boys
#1,494
33 births · 1 in 53,589 boys

Top girls' names in 1971

  1. #1Jennifer56,771
  2. #2Michelle33,160
  3. #3Lisa32,907
  4. #4Kimberly30,708
  5. #5Amy26,237
  6. #6Angela25,901
  7. #7Melissa23,875
  8. #8Tammy17,656
  9. #9Mary16,703
  10. #10Julie15,322
  11. #3,508Unknown18

Top boys' names in 1971

  1. #1Michael77,577
  2. #2James54,597
  3. #3David53,113
  4. #4John51,512
  5. #5Robert50,634
  6. #6Christopher48,225
  7. #7William35,413
  8. #8Jason34,173
  9. #9Brian32,624
  10. #10Scott30,901
  11. #1,494Unknown33
More about 1971

girls

1,663,823 girls got a published name in 1971; 1 in 92,435 of them was named Unknown, which outranked 63.6% of the 9,645 girls' names that year. The ten most popular names covered 16.8% of girls (24.6% in 1880, 7.0% in 2025).

Ranked beside Unknown
  1. #3,373Wynne19
  2. #3,373Yolander19
  3. #3,373Zaida19
  4. #3,508Unknown18
  5. #3,508Adella18
  6. #3,508Alene18
  7. #3,508Alia18
  8. #3,652Adrain17
  9. #3,652Aimie17
  10. #3,652Alpha17

Tied with 143 names at #3,508; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 1970
Risers
  1. ↑ 2,115Yesenia#2,522 → #407
  2. ↑ 1,431Shayla#2,267 → #836
  3. ↑ 853Ebony#1,681 → #828
  4. ↑ 749Consuela#1,706 → #957
  5. ↑ 510Candida#1,196 → #686
Fallers
  1. ↓ 572Sebrina#916 → #1,488
  2. ↓ 382Janene#684 → #1,066
  3. ↓ 375Treena#989 → #1,364
  4. ↓ 356Tisa#910 → #1,266
  5. ↓ 351Shaun#929 → #1,280

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

boys

1,768,447 boys got a published name in 1971; 1 in 53,589 of them was named Unknown, which outranked 73.6% of the 5,655 boys' names that year. The ten most popular names covered 26.5% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Unknown
  1. #1,466Prentiss34
  2. #1,466Samir34
  3. #1,466Wendy34
  4. #1,494Unknown33
  5. #1,494Arne33
  6. #1,494Camilo33
  7. #1,494Christina33
  8. #1,526Allyn32
  9. #1,526Alvis32
  10. #1,526Ambrose32

Tied with 31 names at #1,494; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 1970
Risers
  1. ↑ 754Germaine#1,582 → #828
  2. ↑ 626Jeramie#1,546 → #920
  3. ↑ 512Jeremey#1,396 → #884
  4. ↑ 473Jarod#1,337 → #864
  5. ↑ 454Jamel#1,374 → #920
Fallers
  1. ↓ 328Adolph#926 → #1,254
  2. ↓ 272Dwane#1,000 → #1,272
  3. ↓ 266Bronson#861 → #1,127
  4. ↓ 244Mitch#921 → #1,165
  5. ↓ 242Enrico#839 → #1,081

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

See the top 100 for 1971 →