Is Marilou a boy or girl name?
Marilou was a girl name in the US. Across 1880–2024, 100% of the 3,231 US babies named Marilou were girls. Fewer than 10 babies were given the name in 2024.
- Boy rank, 2024
- Not ranked
- Girl rank, 2024
- #11,730
- Babies named Marilou since 1915
- 3,231
- Most popular year
- 1948
- 90 babies
Boys and girls named Marilou, by decade
| Decade | Boys | Girls | Share girls |
|---|---|---|---|
| 1910s | 0 | 64 | 100% |
| 1920s | 0 | 376 | 100% |
| 1930s | 0 | 618 | 100% |
| 1940s | 0 | 729 | 100% |
| 1950s | 0 | 697 | 100% |
| 1960s | 0 | 295 | 100% |
| 1970s | 0 | 143 | 100% |
| 1980s | 0 | 106 | 100% |
| 1990s | 0 | 81 | 100% |
| 2000s | 0 | 47 | 100% |
| 2010s | 0 | 43 | 100% |
| 2020s | 0 | 32 | 100% |
Every year
| Year | Boys | Boy rank | Girls | Girl rank |
|---|---|---|---|---|
| 2024 | 0 | – | 8 | #11,730 |
| 2023 | 0 | – | 6 | #14,525 |
| 2022 | 0 | – | 5 | #16,838 |
| 2021 | 0 | – | 5 | #16,816 |
| 2020 | 0 | – | 8 | #11,750 |
| 2019 | 0 | – | 5 | #17,114 |
| 2018 | 0 | – | 9 | #11,116 |
| 2017 | 0 | – | 5 | #17,511 |
| 2016 | 0 | – | 5 | #17,901 |
| 2015 | 0 | – | 0 | – |
| 2014 | 0 | – | 0 | – |
| 2013 | 0 | – | 8 | #12,741 |
| 2012 | 0 | – | 6 | #16,183 |
| 2011 | 0 | – | 5 | #18,553 |
| 2010 | 0 | – | 0 | – |
| 2009 | 0 | – | 0 | – |
| 2008 | 0 | – | 8 | #13,364 |
| 2007 | 0 | – | 6 | #16,827 |
| 2006 | 0 | – | 0 | – |
| 2005 | 0 | – | 0 | – |
| 2004 | 0 | – | 8 | #12,337 |
| 2003 | 0 | – | 0 | – |
| 2002 | 0 | – | 10 | #9,982 |
| 2001 | 0 | – | 7 | #12,942 |
| 2000 | 0 | – | 8 | #11,408 |
| 1999 | 0 | – | 5 | #15,944 |
| 1998 | 0 | – | 6 | #13,499 |
| 1997 | 0 | – | 5 | #15,222 |
| 1996 | 0 | – | 14 | #6,607 |
| 1995 | 0 | – | 8 | #10,160 |
| 1994 | 0 | – | 6 | #12,795 |
| 1993 | 0 | – | 0 | – |
| 1992 | 0 | – | 8 | #10,085 |
| 1991 | 0 | – | 12 | #7,234 |
| 1990 | 0 | – | 17 | #5,441 |
| 1989 | 0 | – | 10 | #7,815 |
| 1988 | 0 | – | 11 | #6,940 |
| 1987 | 0 | – | 8 | #8,455 |
| 1986 | 0 | – | 7 | #9,163 |
| 1985 | 0 | – | 18 | #4,375 |
| 1984 | 0 | – | 7 | #8,749 |
| 1983 | 0 | – | 16 | #4,599 |
| 1982 | 0 | – | 0 | – |
| 1981 | 0 | – | 15 | #4,862 |
| 1980 | 0 | – | 14 | #5,135 |
| 1979 | 0 | – | 15 | #4,766 |
| 1978 | 0 | – | 11 | #5,810 |
| 1977 | 0 | – | 11 | #5,737 |
| 1976 | 0 | – | 11 | #5,439 |
| 1975 | 0 | – | 17 | #3,879 |
| 1974 | 0 | – | 8 | #6,613 |
| 1973 | 0 | – | 15 | #4,088 |
| 1972 | 0 | – | 12 | #4,682 |
| 1971 | 0 | – | 19 | #3,447 |
| 1970 | 0 | – | 24 | #2,901 |
| 1969 | 0 | – | 14 | #3,894 |
| 1968 | 0 | – | 21 | #2,835 |
| 1967 | 0 | – | 14 | #3,585 |
| 1966 | 0 | – | 16 | #3,221 |
| 1965 | 0 | – | 26 | #2,381 |
| 1964 | 0 | – | 29 | #2,283 |
| 1963 | 0 | – | 36 | #1,971 |
| 1962 | 0 | – | 35 | #1,972 |
| 1961 | 0 | – | 46 | #1,689 |
| 1960 | 0 | – | 58 | #1,450 |
| 1959 | 0 | – | 44 | #1,660 |
| 1958 | 0 | – | 64 | #1,325 |
| 1957 | 0 | – | 66 | #1,314 |
| 1956 | 0 | – | 65 | #1,296 |
| 1955 | 0 | – | 61 | #1,300 |
| 1954 | 0 | – | 73 | #1,174 |
| 1953 | 0 | – | 81 | #1,073 |
| 1952 | 0 | – | 85 | #1,020 |
| 1951 | 0 | – | 79 | #1,046 |
| 1950 | 0 | – | 79 | #1,032 |
| 1949 | 0 | – | 87 | #961 |
| 1948 | 0 | – | 90 | #918 |
| 1947 | 0 | – | 79 | #998 |
| 1946 | 0 | – | 69 | #1,022 |
| 1945 | 0 | – | 74 | #878 |
| 1944 | 0 | – | 77 | #872 |
| 1943 | 0 | – | 60 | #1,032 |
| 1942 | 0 | – | 72 | #924 |
| 1941 | 0 | – | 60 | #954 |
| 1940 | 0 | – | 61 | #921 |
| 1939 | 0 | – | 42 | #1,122 |
| 1938 | 0 | – | 55 | #962 |
| 1937 | 0 | – | 66 | #852 |
| 1936 | 0 | – | 50 | #975 |
| 1935 | 0 | – | 61 | #889 |
| 1934 | 0 | – | 75 | #779 |
| 1933 | 0 | – | 73 | #778 |
| 1932 | 0 | – | 66 | #857 |
| 1931 | 0 | – | 50 | #989 |
| 1930 | 0 | – | 80 | #792 |
| 1929 | 0 | – | 63 | #907 |
| 1928 | 0 | – | 70 | #877 |
| 1927 | 0 | – | 81 | #812 |
| 1926 | 0 | – | 46 | #1,125 |
| 1925 | 0 | – | 29 | #1,562 |
| 1924 | 0 | – | 31 | #1,522 |
| 1923 | 0 | – | 19 | #2,066 |
| 1922 | 0 | – | 16 | #2,354 |
| 1921 | 0 | – | 11 | #3,084 |
| 1920 | 0 | – | 10 | #3,259 |
| 1919 | 0 | – | 22 | #1,788 |
| 1918 | 0 | – | 16 | #2,258 |
| 1917 | 0 | – | 8 | #3,581 |
| 1916 | 0 | – | 8 | #3,447 |
| 1915 | 0 | – | 10 | #2,828 |
Highest rank
Marilou has never been ranked as a boy name. As a girl name, it reached #778 in 1933. Ranks count every name SSA published for that year and sex, so they go well past the top 1,000.
Names from the same era
These names were also most popular in the 1940s, with a similar number of babies. They can work as sibling or middle names that feel like they belong together.
Names spelled like Marilou
Source: US Social Security Administration baby name data, 1880–2024. Counts are Social Security card applications for US births; SSA leaves out names given to fewer than 5 babies in a year. Updated 2026-10-05. How these numbers are made.