Name Trends

See the popularity of first names over time in the USA

How popular is “Lou” in the USA?

Number of people named “Lou” by birth year

This chart shows how many people named “Lou” were born each year.

Due to changes to population growth and data collection rates over time, this isn't a good chart for understanding popularity.

Popularity of “Lou” by birth year

This chart shows how the popularity of “Lou” has changed over time.

Popularity is the number of people named “Lou” born in that year divided by the total number of births for that year.

Bias in sex for “Lou” by birth year

This chart shows how “Lou” has been used as gendered name over time. The scale ranges from 1 (only females) to -1 (only males).

Sex is a required field in SSA's Social Security Card applications (only 2 options). Most applications are filed around a person's time of birth.

The raw data

This table shows the data used in the above charts.

Year Count Proportion Females Males Bias toward female
1880 145 0.00071966 131 14 81%
1881 129 0.000669476 114 15 77%
1882 141 0.000636474 131 10 86%
1883 153 0.000705245 142 11 86%
1884 156 0.00064076 146 10 87%
1885 148 0.00061448 135 13 82%
1886 138 0.000540507 129 9 87%
1887 157 0.00063462 147 10 87%
1888 179 0.000597715 169 10 89%
1889 137 0.000474137 120 17 75%
1890 141 0.000467815 132 9 87%
1891 117 0.000408131 109 8 86%
1892 146 0.000436637 137 9 88%
1893 147 0.000451998 137 10 86%
1894 130 0.000383832 118 12 82%
1895 134 0.000381745 125 9 87%
1896 140 0.000391626 130 10 86%
1897 127 0.00036604 114 13 80%
1898 166 0.000435176 156 10 88%
1899 138 0.000406799 125 13 81%
1900 153 0.000339805 140 13 83%
1901 103 0.00029785 96 7 86%
1902 127 0.000328392 121 6 91%
1903 144 0.000377754 133 11 85%
1904 124 0.000307322 117 7 89%
1905 156 0.000367992 143 13 83%
1906 100 0.000233399 100 100%
1907 136 0.000292228 124 12 82%
1908 162 0.000331526 147 15 81%
1909 140 0.000273853 140 100%
1910 162 0.000274246 144 18 78%
1911 162 0.000251444 153 9 89%
1912 234 0.000236827 212 22 81%
1913 216 0.000189955 199 17 84%
1914 265 0.000187101 227 38 71%
1915 316 0.000172449 285 31 80%
1916 347 0.000179382 308 39 78%
1917 383 0.000190856 338 45 77%
1918 402 0.000185159 371 31 85%
1919 334 0.000158275 313 21 87%
1920 369 0.000163084 336 33 82%
1921 348 0.000149068 320 28 84%
1922 390 0.000170368 350 40 79%
1923 378 0.000164171 343 35 81%
1924 418 0.000175512 381 37 82%
1925 436 0.00018686 395 41 81%
1926 446 0.000194259 417 29 87%
1927 526 0.000226787 489 37 86%
1928 469 0.000207436 425 44 81%
1929 502 0.000228998 474 28 89%
1930 496 0.000223093 468 28 89%
1931 503 0.000239024 463 40 84%
1932 585 0.000277082 540 45 85%
1933 572 0.000286079 534 38 87%
1934 583 0.000280718 559 24 92%
1935 551 0.000263649 522 29 89%
1936 532 0.000256067 506 26 90%
1937 565 0.000265175 539 26 91%
1938 562 0.000254003 532 30 89%
1939 549 0.000249156 502 47 83%
1940 533 0.000231469 494 39 85%
1941 545 0.000223688 506 39 86%
1942 583 0.000213411 536 47 84%
1943 495 0.000175373 456 39 84%
1944 501 0.00018624 463 38 85%
1945 447 0.000168494 399 48 79%
1946 525 0.000164303 478 47 82%
1947 566 0.000157121 510 56 80%
1948 478 0.00013845 439 39 84%
1949 476 0.000136594 441 35 85%
1950 445 0.000127021 414 31 86%
1951 495 0.000134374 440 55 78%
1952 609 0.000160347 569 40 87%
1953 1470 0.000381457 1434 36 95%
1954 1547 0.000388624 1495 52 93%
1955 1274 0.000317304 1225 49 92%
1956 1120 0.000271644 1066 54 90%
1957 956 0.000227503 884 72 85%
1958 918 0.000222066 851 67 85%
1959 763 0.000183502 706 57 85%
1960 657 0.000158168 593 64 81%
1961 527 0.000127224 473 54 80%
1962 443 0.000109779 396 47 79%
1963 420 0.000106109 382 38 82%
1964 325 0.000083599 277 48 70%
1965 258 0.000071164 225 33 74%
1966 225 0.000064736 186 39 65%
1967 200 0.000058912 171 29 71%
1968 201 0.000059495 169 32 68%
1969 194 0.000055822 165 29 70%
1970 199 0.000055178 159 40 60%
1971 172 0.000050111 134 38 56%
1972 126 0.000040089 101 25 60%
1973 120 0.000039776 91 29 52%
1974 83 0.000027303 64 19 54%
1975 70 0.000023183 49 21 40%
1976 68 0.00002241 48 20 41%
1977 60 0.000018889 43 17 43%
1978 63 0.00001985 38 25 21%
1979 65 0.000019537 40 25 23%
1980 42 0.000012193 19 23 -10%
1981 46 0.000013297 30 16 30%
1982 51 0.000014538 29 22 14%
1983 31 0.000008951 18 13 16%
1984 38 0.000010892 19 19 0%
1985 31 0.000008686 12 19 -23%
1986 24 0.000006747 13 11 8%
1987 29 0.000008043 13 16 -10%
1988 21 0.000005683 11 10 5%
1989 31 0.000008064 13 18 -16%
1990 36 0.000009108 12 24 -33%
1991 30 0.000007702 6 24 -60%
1992 28 0.000007289 9 19 -36%
1993 24 0.000006366 10 14 -17%
1994 27 0.000007263 7 20 -48%
1995 13 0.00000355 13 -100%
1996 14 0.000003839 14 -100%
1997 21 0.000005792 7 14 -33%
1998 19 0.000005166 8 11 -16%
1999 14 0.00000379 6 8 -14%
2000 20 0.000005291 9 11 -10%
2001 28 0.00000748 8 20 -43%
2002 21 0.000005618 8 13 -24%
2003 20 0.00000526 10 10 0%
2004 26 0.000006805 10 16 -23%
2005 35 0.000009103 14 21 -20%
2006 29 0.00000733 9 20 -38%
2007 19 0.000004753 6 13 -37%
2008 19 0.000004834 6 13 -37%
2009 27 0.000007068 5 22 -63%
2010 27 0.000007306 11 16 -19%
2011 43 0.000011756 16 27 -26%
2012 36 0.000009843 18 18 0%
2013 39 0.000010698 15 24 -23%
2014 49 0.00001322 22 27 -10%
2015 67 0.000018104 29 38 -13%
2016 80 0.000021806 35 45 -13%
2017 67 0.000018735 30 37 -10%
2018 71 0.000020194 39 32 10%
2019 84 0.000024201 40 44 -5%
2020 101 0.000030234 43 58 -15%
2021 115 0.000033944 54 61 -6%
2022 136 0.000040199 62 74 -9%
2023 143 0.000043187 69 74 -3%
2024 140 0.000042061 70 70 0%

Explore other names

These names are alphabetically near to Lou:

  1. Lotti
  2. Lottie
  3. Lotty
  4. Lottye
  5. Lotus
  6. Lou (this page)
  7. Louai
  8. Louaine
  9. Louan
  10. Louana
  11. Louann