Meaning not yet researched.
Marilou: US girls given the name each year, 1880 to 2025, from Social Security card applications. 0 in 2025. Its best rank was #778 in 1933.
US births per year · SSA card applications
Fewer than five US girls were given it in 2025. It peaked at #778 in 1933. No US babies were recorded with the name Marilou in 2025.
Baby name · US data 1880–2025
Given to fewer than five US girls in 2025; it peaked at #778 in 1933.
Hover, tap or use the arrow keys for any year. Years with fewer than five babies of a sex are not published by SSA and show as zero.
Marilou: US girls given the name each year from 1880 to 2025. 0 girls in 2025. Peak: #778 in 1933 · most girls in one year: 90 (1948).
Fewer than five US girls were named Marilou in 2025, so it does not appear in that year’s SSA list for girls. Its best rank for girls was #778, reached in 1933. The most girls given the name in a single year was 90, in 1948. For comparison, it was unranked (under five girls) in 2015 and #1,032 in 1950.
Social Security card records list Marilou in 101 years of the 146 from 1880 to 2025, starting in 1915 with 10 babies. In all, 3,231 US babies have been given the name, all of them girls. Its busiest decade was the 1940s, with 729 babies named Marilou.
Over the 10 years from 2016 to 2025, 56 US girls were named Marilou; the busiest of those years was 2018, with 9.
Related spellings in the SSA files include Marylou (13,112 babies since 1880) and Marilu (2,279 babies since 1880).
Meaning not yet researched.
We publish a meaning only with a cited source and a confidence label, and never generate one. Meanings are being researched for the most common names first.
Numbers are all-time US births. Links come from Wikidata’s “said to be the same as” (P460, CC0) and our spelling rule: at most two letters different, with the same sound pattern.
No nicknames listed for Marilou in the open dataset we use.
Source: carltonnorthern/nicknames (Apache-2.0).
Births and national rank for each year SSA lists the name, newest first.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2024 | 8 | #11,773 | — | — |
| 2023 | 6 | #14,544 | — | — |
| 2022 | 5 | #16,852 | — | — |
| 2021 | 5 | #16,827 | — | — |
| 2020 | 8 | #11,756 | — | — |
| 2019 | 5 | #17,125 | — | — |
| 2018 | 9 | #11,121 | — | — |
| 2017 | 5 | #17,516 | — | — |
| 2016 | 5 | #17,906 | — | — |
| 2013 | 8 | #12,741 | — | — |
| 2012 | 6 | #16,185 | — | — |
| 2011 | 5 | #18,554 | — | — |
| 2008 | 8 | #13,366 | — | — |
| 2007 | 6 | #16,828 | — | — |
| 2004 | 8 | #12,337 | — | — |
| 2002 | 10 | #9,986 | — | — |
| 2001 | 7 | #12,942 | — | — |
| 2000 | 8 | #11,408 | — | — |
| 1999 | 5 | #15,944 | — | — |
| 1998 | 6 | #13,501 | — | — |
| 1997 | 5 | #15,223 | — | — |
| 1996 | 14 | #6,607 | — | — |
| 1995 | 8 | #10,160 | — | — |
| 1994 | 6 | #12,796 | — | — |
| 1992 | 8 | #10,087 | — | — |
| 1991 | 12 | #7,234 | — | — |
| 1990 | 17 | #5,441 | — | — |
| 1989 | 10 | #7,815 | — | — |
| 1988 | 11 | #6,940 | — | — |
| 1987 | 8 | #8,455 | — | — |
| 1986 | 7 | #9,163 | — | — |
| 1985 | 18 | #4,376 | — | — |
| 1984 | 7 | #8,749 | — | — |
| 1983 | 16 | #4,599 | — | — |
| 1981 | 15 | #4,864 | — | — |
| 1980 | 14 | #5,134 | — | — |
| 1979 | 15 | #4,766 | — | — |
| 1978 | 11 | #5,810 | — | — |
| 1977 | 11 | #5,737 | — | — |
| 1976 | 11 | #5,439 | — | — |
| 1975 | 17 | #3,878 | — | — |
| 1974 | 8 | #6,613 | — | — |
| 1973 | 15 | #4,088 | — | — |
| 1972 | 12 | #4,682 | — | — |
| 1971 | 19 | #3,448 | — | — |
| 1970 | 24 | #2,902 | — | — |
| 1969 | 14 | #3,894 | — | — |
| 1968 | 21 | #2,835 | — | — |
| 1967 | 14 | #3,585 | — | — |
| 1966 | 16 | #3,219 | — | — |
| 1965 | 26 | #2,382 | — | — |
| 1964 | 29 | #2,283 | — | — |
| 1963 | 36 | #1,970 | — | — |
| 1962 | 35 | #1,972 | — | — |
| 1961 | 46 | #1,690 | — | — |
| 1960 | 58 | #1,450 | — | — |
| 1959 | 44 | #1,660 | — | — |
| 1958 | 64 | #1,326 | — | — |
| 1957 | 66 | #1,314 | — | — |
| 1956 | 65 | #1,296 | — | — |
| 1955 | 61 | #1,300 | — | — |
| 1954 | 73 | #1,174 | — | — |
| 1953 | 81 | #1,073 | — | — |
| 1952 | 85 | #1,020 | — | — |
| 1951 | 79 | #1,046 | — | — |
| 1950 | 79 | #1,032 | — | — |
| 1949 | 87 | #961 | — | — |
| 1948 | 90 | #918 | — | — |
| 1947 | 79 | #998 | — | — |
| 1946 | 69 | #1,022 | — | — |
| 1945 | 74 | #878 | — | — |
| 1944 | 77 | #872 | — | — |
| 1943 | 60 | #1,032 | — | — |
| 1942 | 72 | #924 | — | — |
| 1941 | 60 | #954 | — | — |
| 1940 | 61 | #921 | — | — |
| 1939 | 42 | #1,122 | — | — |
| 1938 | 55 | #962 | — | — |
| 1937 | 66 | #852 | — | — |
| 1936 | 50 | #975 | — | — |
| 1935 | 61 | #889 | — | — |
| 1934 | 75 | #779 | — | — |
| 1933 | 73 | #778 | — | — |
| 1932 | 66 | #857 | — | — |
| 1931 | 50 | #989 | — | — |
| 1930 | 80 | #792 | — | — |
| 1929 | 63 | #907 | — | — |
| 1928 | 70 | #877 | — | — |
| 1927 | 81 | #812 | — | — |
| 1926 | 46 | #1,125 | — | — |
| 1925 | 29 | #1,562 | — | — |
| 1924 | 31 | #1,522 | — | — |
| 1923 | 19 | #2,066 | — | — |
| 1922 | 16 | #2,354 | — | — |
| 1921 | 11 | #3,084 | — | — |
| 1920 | 10 | #3,259 | — | — |
| 1919 | 22 | #1,788 | — | — |
| 1918 | 16 | #2,258 | — | — |
| 1917 | 8 | #3,581 | — | — |
| 1916 | 8 | #3,447 | — | — |
| 1915 | 10 | #2,828 | — | — |
About the data: counts are Social Security card applications for US births, for names given to at least five babies of a sex in a year (SSA, names.zip, public domain). Ranks follow SSA’s own order: most births first, ties alphabetical. Files retrieved 2026-10-05 (checksum on our sources page).