Lou

Given to 38,198 US babies since 1880

▲ Rising +71% vs. 2018–2020

Rank in 2025

#2645

recorded as girls

137 since 2024

#1919

recorded as boys

201 since 2024

Babies in 2025

146

girls 65 · boys 81

Peak year

1880

131 babies recorded as girls

All-time total

38,198

since 1880

Born a Lou? 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

Lou was most popular in 1880, when 131 babies recorded as girls got the name (1.4 per 1,000). In 2025, 81 babies were named Lou, ranking #1919 for babies recorded as boys. Compared with 2018–2020, it's up 71%.

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Show every year

Year	Girls	Rank	Boys	Rank
2025	65	2645	81	1919
2024	71	2508	70	2120
2023	69	2555	74	2032
2022	62	2756	76	2000
2021	54	3037	61	2277
2020	43	3498	58	2323
2019	40	3718	44	2808
2018	39	3789	32	3446
2017	30	4576	37	3123
2016	35	4157	45	2689
2015	29	4725	38	3022
2014	22	5797	27	3787
2013	15	7748	24	4064
2012	18	6872	18	5035
2011	16	7436	27	3792
2010	11	9790	16	5478
2009	5	17294	22	4429
2008	6	15405	13	6393
2007	6	15491	13	6262
2006	9	11417	20	4520
2005	14	7891	21	4198
2004	10	9892	16	5007
2003	10	9671	10	6715
2002	8	11108	13	5395
2001	8	11020	20	3974
2000	9	9874	11	5920
1999	6	12688	8	7139
1998	8	10122	11	5466
1997	7	10836	14	4451
1996	<5	—	14	4396
1995	<5	—	13	4508
1994	7	10569	20	3326
1993	10	8052	14	4227
1992	9	8734	19	3338
1991	6	11509	24	2753
1990	12	6867	24	2695
1989	13	6160	18	3205
1988	11	6666	10	4450
1987	13	5613	16	3072
1986	13	5459	11	3882
1985	12	5678	19	2598
1984	19	3990	19	2529
1983	18	4109	13	3230
1982	29	3017	22	2269
1981	30	2928	16	2779
1980	19	3992	23	2213
1979	40	2343	25	2048
1978	38	2350	25	1965
1977	43	2162	17	2556
1976	48	1883	20	2245
1975	49	1854	21	2134
1974	63	1532	19	2199
1973	92	1175	29	1612
1972	101	1105	25	1771
1971	134	951	38	1378
1970	159	848	40	1314
1969	165	801	29	1492
1968	169	767	32	1366
1967	171	753	29	1411
1966	186	724	39	1194
1965	225	657	33	1335
1964	277	598	48	1096
1963	382	496	38	1255
1962	396	487	47	1121
1961	473	447	54	1059
1960	593	388	64	944
1959	706	358	57	1019
1958	851	314	67	928
1957	884	309	72	889
1956	1,066	258	54	1019
1955	1,225	232	49	1075
1954	1,495	204	52	1039
1953	1,434	208	36	1245
1952	569	345	40	1166
1951	440	391	55	943
1950	414	395	31	1289
1949	441	374	35	1205
1948	439	379	39	1145
1947	510	355	56	938
1946	478	343	47	980
1945	399	341	48	927
1944	463	314	38	1070
1943	456	330	39	1088
1942	536	293	47	970
1941	506	286	39	1040
1940	494	281	39	1031
1939	502	277	47	904
1938	532	274	30	1199
1937	539	269	26	1313
1936	506	271	26	1296
1935	522	269	29	1247
1934	559	263	24	1386
1933	534	265	38	1051
1932	540	270	45	980
1931	463	290	40	1065
1930	468	306	28	1368
1929	474	308	28	1339
1928	425	320	44	1041
1927	489	303	37	1178
1926	417	323	29	1353
1925	395	337	41	1091
1924	381	348	37	1187
1923	343	356	35	1213
1922	350	347	40	1120
1921	320	377	28	1412
1920	336	356	33	1252
1919	313	361	21	1624
1918	371	335	31	1256
1917	338	338	45	964
1916	308	351	39	1028
1915	285	353	31	1159
1914	227	348	38	884
1913	199	342	17	1256
1912	212	315	22	970
1911	153	316	9	1190
1910	144	317	18	707
1909	140	307	<5	—
1908	147	292	15	685
1907	124	312	12	778
1906	100	334	<5	—
1905	143	276	13	666
1904	117	297	7	966
1903	133	266	11	696
1902	121	285	6	1013
1901	96	304	7	858
1900	140	274	13	699
1899	125	251	13	548
1898	156	236	10	701
1897	114	267	13	584
1896	130	245	10	722
1895	125	252	9	738
1894	118	249	12	594
1893	137	222	10	650
1892	137	222	9	748
1891	109	231	8	700
1890	132	210	9	667
1889	120	210	17	446
1888	169	172	10	648
1887	147	167	10	583
1886	129	178	9	647
1885	135	158	13	521
1884	146	145	10	613
1883	142	136	11	556
1882	131	137	10	611
1881	114	137	15	442
1880	131	122	14	482