Louis remains a common boys' name (#249 in 2025), down from a peak of #18 in 1882.
Louis is predominantly a boy name. In 2025 it ranked #249 among boys (1,391) and #14,230 among girls (6) — overall #482 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 1,397 | 1,402 | #14,230 | #249 |
| 2024 | 1,510 | 1,521 | — | #236 |
| 2023 | 1,483 | 1,490 | #16,637 | #238 |
| 2022 | 1,447 | 1,457 | #16,741 | #245 |
| 2021 | 1,422 | 1,431 | — | #251 |
| 2020 | 1,340 | 1,352 | #14,428 | #260 |
| 2019 | 1,480 | 1,498 | #17,033 | #249 |
| 2018 | 1,388 | 1,395 | — | #260 |
| 2017 | 1,302 | 1,316 | — | #277 |
| 2016 | 1,242 | 1,255 | — | #290 |
| 2015 | 1,215 | 1,231 | #18,066 | #296 |
| 2014 | 1,229 | 1,248 | — | #289 |
| 2013 | 1,070 | 1,084 | — | #315 |
| 2012 | 1,057 | 1,074 | — | #312 |
| 2011 | 921 | 938 | — | #332 |
| 2010 | 921 | 938 | — | #342 |
| 2009 | 885 | 896 | — | #353 |
| 2008 | 909 | 928 | — | #350 |
| 2007 | 937 | 951 | — | #345 |
| 2006 | 1,001 | 1,021 | — | #320 |
| 2005 | 1,002 | 1,028 | — | #324 |
| 2004 | 1,051 | 1,073 | — | #302 |
| 2003 | 1,103 | 1,131 | — | #283 |
| 2002 | 1,148 | 1,175 | #17,043 | #272 |
| 2001 | 1,096 | 1,132 | — | #279 |
| 2000 | 1,140 | 1,164 | #16,518 | #279 |
| 1999 | 1,143 | 1,175 | — | #262 |
| 1998 | 1,181 | 1,204 | — | #252 |
| 1997 | 1,311 | — | — | #235 |
| 1996 | 1,290 | — | #11,294 | #235 |
| 1995 | 1,370 | — | #9,217 | #218 |
| 1994 | 1,421 | — | #8,520 | #206 |
| 1993 | 1,589 | — | #11,275 | #194 |
| 1992 | 1,624 | — | #14,576 | #192 |
| 1991 | 1,730 | — | #14,458 | #187 |
| 1990 | 1,835 | — | #5,999 | #168 |
| 1989 | 1,851 | — | #5,184 | #163 |
| 1988 | 1,723 | — | #5,207 | #165 |
| 1987 | 1,692 | — | #7,741 | #161 |
| 1986 | 1,710 | — | #3,602 | #160 |
| 1985 | 1,704 | — | #4,216 | #164 |
| 1984 | 1,727 | — | #4,634 | #158 |
| 1983 | 1,778 | — | #4,588 | #156 |
| 1982 | 1,711 | — | #4,456 | #162 |
| 1981 | 1,828 | — | #3,580 | #151 |
| 1980 | 1,807 | — | #3,934 | #151 |
| 1979 | 1,852 | — | #5,277 | #148 |
| 1978 | 1,773 | — | #3,709 | #149 |
| 1977 | 1,882 | — | #4,158 | #143 |
| 1976 | 1,804 | — | #3,148 | #142 |
| 1975 | 1,825 | — | #4,742 | #138 |
| 1974 | 1,949 | — | #3,798 | #134 |
| 1973 | 1,917 | — | #4,726 | #135 |
| 1972 | 2,123 | — | #3,127 | #130 |
| 1971 | 2,532 | — | #3,592 | #126 |
| 1970 | 2,664 | — | #3,074 | #124 |
| 1969 | 2,647 | — | #2,740 | #121 |
| 1968 | 2,737 | — | #2,335 | #109 |
| 1967 | 2,916 | — | #2,743 | #107 |
| 1966 | 3,016 | — | #2,494 | #104 |
| 1965 | 3,288 | — | #2,998 | #101 |
| 1964 | 3,600 | — | #3,450 | #102 |
| 1963 | 3,635 | — | #3,415 | #104 |
| 1962 | 3,616 | — | #2,707 | #107 |
| 1961 | 3,984 | — | #2,906 | #105 |
| 1960 | 4,153 | — | #2,411 | #106 |
| 1959 | 4,340 | — | #2,132 | #100 |
| 1958 | 4,468 | — | #2,422 | #94 |
| 1957 | 4,723 | — | #2,094 | #86 |
| 1956 | 4,937 | — | #2,135 | #82 |
| 1955 | 4,798 | — | #2,599 | #82 |
| 1954 | 4,866 | — | #2,657 | #81 |
| 1953 | 5,017 | — | #1,769 | #78 |
| 1952 | 4,947 | — | #2,173 | #79 |
| 1951 | 5,117 | — | #1,865 | #76 |
| 1950 | 4,974 | — | #1,859 | #66 |
| 1949 | 5,265 | — | #1,754 | #64 |
| 1948 | 5,415 | — | #1,758 | #64 |
| 1947 | 5,804 | — | #1,924 | #64 |
| 1946 | 4,947 | — | #1,665 | #63 |
| 1945 | 4,510 | — | #1,500 | #55 |
| 1944 | 4,699 | — | #1,894 | #54 |
| 1943 | 5,062 | — | #1,571 | #53 |
| 1942 | 5,173 | — | #1,838 | #51 |
| 1941 | 4,477 | — | #1,434 | #50 |
| 1940 | 4,356 | — | #1,332 | #50 |
| 1939 | 4,251 | — | #1,451 | #49 |
| 1938 | 4,412 | — | #1,682 | #47 |
| 1937 | 4,383 | — | #1,434 | #46 |
| 1936 | 4,454 | — | #1,195 | #44 |
| 1935 | 4,654 | — | #1,292 | #42 |
| 1934 | 4,726 | — | #1,060 | #40 |
| 1933 | 4,727 | — | #1,279 | #40 |
| 1932 | 5,190 | — | #950 | #39 |
| 1931 | 5,481 | — | #915 | #37 |
| 1930 | 5,862 | — | #1,025 | #34 |
| 1929 | 6,047 | — | #1,006 | #32 |
| 1928 | 6,362 | — | #944 | #32 |
| 1927 | 6,731 | — | #909 | #29 |
| 1926 | 6,584 | — | #885 | #30 |
| 1925 | 6,866 | — | #902 | #29 |
| 1924 | 7,100 | — | #1,022 | #28 |
| 1923 | 7,127 | — | #1,044 | #27 |
| 1922 | 7,158 | — | #935 | #27 |
| 1921 | 7,296 | — | #1,086 | #29 |
| 1920 | 7,025 | — | #953 | #28 |
| 1919 | 6,704 | — | #1,128 | #28 |
| 1918 | 7,134 | — | #1,003 | #24 |
| 1917 | 6,826 | — | #941 | #23 |
| 1916 | 6,848 | — | #1,322 | #22 |
| 1915 | 6,568 | — | #942 | #23 |
| 1914 | 5,538 | — | #894 | #20 |
| 1913 | 4,289 | — | #974 | #20 |
| 1912 | 3,613 | — | #1,132 | #20 |
| 1911 | 1,855 | — | #1,092 | #21 |
| 1910 | 1,597 | — | #824 | #24 |
| 1909 | 1,250 | — | #953 | #24 |
| 1908 | 1,332 | — | #1,069 | #22 |
| 1907 | 1,123 | — | #1,183 | #25 |
| 1906 | 1,111 | — | #1,276 | #22 |
| 1905 | 995 | — | #1,045 | #25 |
| 1904 | 947 | — | #1,146 | #26 |
| 1903 | 906 | — | #850 | #25 |
| 1902 | 918 | — | #1,715 | #25 |
| 1901 | 805 | — | #1,287 | #25 |
| 1900 | 1,111 | — | #1,035 | #26 |
| 1899 | 779 | — | #1,151 | #26 |
| 1898 | 873 | — | #1,030 | #27 |
| 1897 | 840 | — | #1,131 | #23 |
| 1896 | 880 | — | #1,174 | #22 |
| 1895 | 921 | — | #1,255 | #21 |
| 1894 | 877 | — | #1,197 | #21 |
| 1893 | 828 | — | #885 | #22 |
| 1892 | 873 | — | #1,135 | #22 |
| 1891 | 802 | — | #684 | #19 |
| 1890 | 871 | — | #858 | #19 |
| 1889 | 846 | — | #934 | #19 |
| 1888 | 891 | — | #1,093 | #19 |
| 1887 | 798 | — | #996 | #19 |
| 1886 | 855 | — | #806 | #19 |
| 1885 | 814 | — | #1,135 | #19 |
| 1884 | 892 | — | #985 | #19 |
| 1883 | 805 | — | #674 | #19 |
| 1882 | 858 | — | #863 | #18 |
| 1881 | 746 | — | — | #19 |
| 1880 | 833 | — | #893 | #19 |