Lois was a very popular girls' name that peaked at #17 in 1929 but is far less common today.
Lois is predominantly a girl name. In 2025 it ranked #1,670 for girl births in the United States (and #3,066 across all names), given to 124 babies. Lois was first reported in SSA data in 1880 and peaked in 1927 (10,505 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 124 | 124 | #1,670 | — |
| 2024 | 121 | 121 | #1,690 | — |
| 2023 | 132 | 132 | #1,591 | — |
| 2022 | 124 | 124 | #1,690 | — |
| 2021 | 126 | 126 | #1,726 | #11,596 |
| 2020 | 106 | 106 | #1,846 | — |
| 2019 | 124 | 124 | #1,693 | — |
| 2018 | 122 | 122 | #1,701 | — |
| 2017 | 134 | 134 | #1,622 | — |
| 2016 | 119 | 119 | #1,751 | — |
| 2015 | 109 | 109 | #1,880 | — |
| 2014 | 101 | 101 | #1,973 | — |
| 2013 | 78 | 78 | #2,359 | — |
| 2012 | 94 | 94 | #2,054 | — |
| 2011 | 72 | 72 | #2,525 | — |
| 2010 | 70 | 70 | #2,602 | — |
| 2009 | 80 | 80 | #2,412 | — |
| 2008 | 85 | 85 | #2,307 | — |
| 2007 | 82 | 82 | #2,342 | — |
| 2006 | 92 | 92 | #2,219 | #13,233 |
| 2005 | 65 | 65 | #2,616 | — |
| 2004 | 64 | 64 | #2,615 | — |
| 2003 | 80 | 80 | #2,313 | #9,252 |
| 2002 | 85 | 85 | #2,042 | — |
| 2001 | 84 | 84 | #2,026 | — |
| 2000 | 84 | 84 | #2,095 | #9,840 |
| 1999 | 76 | 76 | #2,047 | — |
| 1998 | 88 | 88 | #1,784 | — |
| 1997 | 100 | — | #1,600 | — |
| 1996 | 94 | — | #1,634 | — |
| 1995 | 98 | — | #1,555 | — |
| 1994 | 96 | — | #1,587 | — |
| 1993 | 91 | — | #1,660 | — |
| 1992 | 91 | — | #1,747 | #8,045 |
| 1991 | 115 | — | #1,458 | #7,860 |
| 1990 | 101 | — | #1,613 | #6,186 |
| 1989 | 123 | — | #1,330 | #7,538 |
| 1988 | 128 | — | #1,242 | #5,517 |
| 1987 | 123 | — | #1,277 | #3,654 |
| 1986 | 128 | — | #1,162 | #7,393 |
| 1985 | 129 | — | #1,122 | — |
| 1984 | 135 | — | #1,049 | — |
| 1983 | 153 | — | #985 | #6,897 |
| 1982 | 175 | — | #882 | — |
| 1981 | 187 | — | #836 | — |
| 1980 | 158 | — | #972 | #6,864 |
| 1979 | 174 | — | #880 | — |
| 1978 | 206 | — | #770 | #6,392 |
| 1977 | 183 | — | #821 | — |
| 1976 | 199 | — | #763 | #3,628 |
| 1975 | 222 | — | #676 | — |
| 1974 | 289 | — | #569 | #5,687 |
| 1973 | 319 | — | #540 | #3,923 |
| 1972 | 348 | — | #507 | #5,448 |
| 1971 | 470 | — | #447 | #3,282 |
| 1970 | 526 | — | #427 | #3,426 |
| 1969 | 572 | — | #403 | #3,802 |
| 1968 | 677 | — | #340 | #3,267 |
| 1967 | 760 | — | #315 | #4,320 |
| 1966 | 928 | — | #278 | #2,722 |
| 1965 | 1,211 | — | #249 | #3,428 |
| 1964 | 1,421 | — | #231 | #2,371 |
| 1963 | 1,590 | — | #217 | #2,787 |
| 1962 | 1,794 | — | #201 | #2,605 |
| 1961 | 2,111 | — | #183 | #3,258 |
| 1960 | 2,281 | — | #175 | #2,487 |
| 1959 | 2,497 | — | #162 | #2,489 |
| 1958 | 2,633 | — | #154 | #3,453 |
| 1957 | 2,896 | — | #145 | #1,872 |
| 1956 | 3,236 | — | #135 | #2,579 |
| 1955 | 3,430 | — | #124 | #2,386 |
| 1954 | 3,974 | — | #110 | #1,654 |
| 1953 | 4,239 | — | #91 | #1,752 |
| 1952 | 4,376 | — | #86 | #2,047 |
| 1951 | 4,545 | — | #85 | #2,321 |
| 1950 | 4,521 | — | #83 | #1,858 |
| 1949 | 4,936 | — | #73 | #1,648 |
| 1948 | 5,085 | — | #70 | #2,928 |
| 1947 | 5,740 | — | #63 | #1,579 |
| 1946 | 5,719 | — | #55 | #1,676 |
| 1945 | 5,169 | — | #48 | #1,477 |
| 1944 | 5,562 | — | #47 | #1,165 |
| 1943 | 6,168 | — | #43 | #1,148 |
| 1942 | 6,458 | — | #44 | #926 |
| 1941 | 6,143 | — | #43 | #1,064 |
| 1940 | 6,162 | — | #38 | #1,087 |
| 1939 | 6,086 | — | #35 | #851 |
| 1938 | 6,554 | — | #33 | #864 |
| 1937 | 6,976 | — | #29 | #951 |
| 1936 | 7,271 | — | #26 | #1,023 |
| 1935 | 8,047 | — | #21 | #826 |
| 1934 | 8,452 | — | #20 | #767 |
| 1933 | 8,731 | — | #19 | #681 |
| 1932 | 9,607 | — | #20 | #646 |
| 1931 | 9,426 | — | #20 | #681 |
| 1930 | 10,201 | — | #17 | #670 |
| 1929 | 10,372 | — | #17 | #710 |
| 1928 | 10,501 | — | #18 | #736 |
| 1927 | 10,587 | — | #19 | #718 |
| 1926 | 9,872 | — | #19 | #900 |
| 1925 | 9,640 | — | #18 | #813 |
| 1924 | 9,373 | — | #22 | #790 |
| 1923 | 7,889 | — | #27 | #761 |
| 1922 | 7,007 | — | #35 | #887 |
| 1921 | 6,973 | — | #38 | #785 |
| 1920 | 6,616 | — | #38 | #926 |
| 1919 | 6,052 | — | #40 | #733 |
| 1918 | 5,939 | — | #42 | #835 |
| 1917 | 5,544 | — | #43 | #838 |
| 1916 | 5,221 | — | #43 | #705 |
| 1915 | 4,842 | — | #47 | #727 |
| 1914 | 3,490 | — | #51 | #670 |
| 1913 | 2,607 | — | #59 | #656 |
| 1912 | 2,176 | — | #63 | #810 |
| 1911 | 1,519 | — | #68 | #1,091 |
| 1910 | 1,286 | — | #76 | #807 |
| 1909 | 1,179 | — | #73 | #566 |
| 1908 | 1,039 | — | #80 | #672 |
| 1907 | 912 | — | #85 | #764 |
| 1906 | 815 | — | #88 | #605 |
| 1905 | 771 | — | #88 | #975 |
| 1904 | 735 | — | #90 | #930 |
| 1903 | 672 | — | #92 | #883 |
| 1902 | 601 | — | #98 | #986 |
| 1901 | 494 | — | #109 | #1,010 |
| 1900 | 587 | — | #115 | #880 |
| 1899 | 423 | — | #117 | #832 |
| 1898 | 474 | — | #114 | #853 |
| 1897 | 463 | — | #111 | #1,017 |
| 1896 | 388 | — | #123 | — |
| 1895 | 311 | — | #144 | — |
| 1894 | 315 | — | #140 | #917 |
| 1893 | 260 | — | #152 | — |
| 1892 | 247 | — | #160 | #1,178 |
| 1891 | 206 | — | #162 | — |
| 1890 | 175 | — | #178 | — |
| 1889 | 154 | — | #185 | — |
| 1888 | 120 | — | #206 | — |
| 1887 | 129 | — | #176 | — |
| 1886 | 116 | — | #187 | — |
| 1885 | 105 | — | #183 | — |
| 1884 | 84 | — | #207 | — |
| 1883 | 76 | — | #195 | — |
| 1882 | 64 | — | #211 | — |
| 1881 | 53 | — | #205 | — |
| 1880 | 53 | — | #211 | — |