Unknown

Given to 19,714 US babies since 1880

▼ Falling −20% vs. 2018–2020

Rank in 2025

#3,249

recorded as girls

643 since 2024

#2,718

recorded as boys

197 since 2024

Babies in 2025

girls 48 · boys 47

Peak year

1954

548 babies recorded as boys

All-time total

19,714

since 1880

Born an Unknown? See how many share your birth year.

Any year from 1880 to 2025.

Babies per 1,000 (same sex), 1880–2025

Recorded as girls Recorded as boys

Unknown was most popular in 1954, when 548 babies recorded as boys got the name (0.27 per 1,000). In 2025, 48 babies were named Unknown, ranking #3249 for babies recorded as girls. Compared with 2018–2020, it's down 20%.

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Show every year

Year	Girls	Rank	Boys	Rank
2025	48	3,249	47	2,718
2024	38	3,892	43	2,915
2023	46	3,428	80	1,941
2022	52	3,123	85	1,861
2021	49	3,250	85	1,823
2020	42	3,546	61	2,235
2019	53	3,043	77	1,917
2018	66	2,610	85	1,792
2017	47	3,346	67	2,065
2016	37	3,996	50	2,518
2015	43	3,595	60	2,234
2014	72	2,497	79	1,857
2013	68	2,597	97	1,588
2012	64	2,734	99	1,588
2011	77	2,395	87	1,703
2010	65	2,726	89	1,713
2009	84	2,316	114	1,459
2008	62	2,855	73	1,948
2007	31	4,675	42	2,811
2006	16	7,482	25	3,888
2005	25	5,113	23	3,941
2004	20	5,969	24	3,735
2003	30	4,307	31	3,044
2002	18	6,129	27	3,259
2001	28	4,321	15	4,890
2000	42	3,216	39	2,425
1999	26	4,313	16	4,341
1998	18	5,583	15	4,413
1997	16	5,868	34	2,396
1996	53	2,423	53	1,740
1995	223	865	248	665
1994	161	1,115	163	835
1993	94	1,611	121	983
1992	135	1,264	155	850
1991	258	794	299	588
1990	162	1,088	192	738
1989	251	773	262	609
1988	68	1,822	94	1,003
1987	18	4,474	15	3,201
1986	8	7,749	9	4,457
1985	<5	—	11	3,805
1984	7	8,153	5	6,315
1983	12	5,457	8	4,499
1982	16	4,527	12	3,482
1981	11	5,885	18	2,569
1980	7	8,178	9	4,134
1979	10	6,189	12	3,357
1978	9	6,385	10	3,614
1977	12	5,213	13	3,037
1976	17	3,812	13	2,946
1975	21	3,259	18	2,361
1974	8	6,258	20	2,129
1973	23	2,914	20	2,036
1972	14	4,091	15	2,418
1971	18	3,508	33	1,494
1970	18	3,435	42	1,278
1969	23	2,768	28	1,526
1968	19	2,969	31	1,393
1967	18	2,963	41	1,165
1966	34	1,982	40	1,178
1965	29	2,204	35	1,294
1964	44	1,747	49	1,082
1963	54	1,522	71	886
1962	57	1,476	105	746
1961	96	1,122	168	610
1960	133	920	194	563
1959	145	848	188	568
1958	209	684	269	479
1957	323	533	391	386
1956	540	384	457	346
1955	564	368	497	332
1954	644	336	548	308
1953	600	338	525	313
1952	622	330	488	320
1951	565	333	439	328
1950	511	347	404	335
1949	443	373	278	402
1948	294	468	163	516
1947	148	691	99	696
1946	104	809	43	1,045
1945	54	1,060	42	986
1944	60	1,005	27	1,282
1943	56	1,070	30	1,258
1942	29	1,533	14	1,946
1941	17	2,018	9	2,491
1940	19	1,845	6	3,130
1939	12	2,417	7	2,829
1938	10	2,730	5	3,534
1937	13	2,317	6	3,175
1936	10	2,689	<5	—
1935	12	2,439	6	3,252
1934	9	2,923	7	2,973
1933	7	3,406	6	3,268
1932	14	2,235	8	2,849
1931	13	2,307	6	3,390
1930	10	2,845	13	2,178
1929	10	2,921	10	2,589
1928	12	2,623	10	2,659
1927	11	2,859	7	3,451
1926	7	3,873	13	2,302
1925	6	4,426	22	1,628
1924	10	3,144	7	3,505
1923	5	4,967	24	1,551
1922	14	2,479	18	1,883
1921	12	2,762	20	1,766
1920	9	3,340	18	1,885
1919	13	2,515	28	1,351
1918	20	1,887	31	1,256
1917	19	1,847	22	1,528
1916	13	2,368	24	1,415
1915	19	1,738	24	1,372
1914	11	2,125	18	1,441
1913	11	1,883	17	1,256
1912	12	1,620	15	1,223
1911	5	2,463	19	732
1910	<5	—	13	859
1909	<5	—	6	1,277
1908	5	2,101	8	1,021
1907	8	1,512	12	778
1906	<5	—	9	852
1905	11	1,162	9	836
1904	10	1,170	7	966
1903	6	1,592	6	1,009
1902	7	1,438	16	536
1901	6	1,466	9	727
1900	15	970	16	623
1899	10	1,034	8	786
1898	7	1,379	15	543
1897	7	1,263	9	725
1896	6	1,416	9	778
1895	<5	—	9	738
1894	8	1,136	12	594
1893	<5	—	7	836
1892	<5	—	14	547
1891	<5	—	9	635
1890	7	1,099	5	994
1889	8	950	6	878
1888	<5	—	6	917
1887	<5	—	5	921
1886	5	1,108	<5	—
1885	<5	—	7	765
1884	<5	—	<5	—
1883	<5	—	7	720
1882	<5	—	7	754
1881	<5	—	8	653
1880	<5	—	5	909