Marilou
A female given name from French.
Every Marilou since 1915 — 3,231 of them. Popularity, births, and rankings for each year, from official Social Security records.
The story of Marilou
Marilou is not currently in use for newborns in the United States — fewer than five babies received the name in 2025. Its story lives in the historical record below.
Since 1915, 3,231 American babies have been named Marilou. Its peak came in 1948, when 90 newborns received the name — the signature sound of the 1940s.
The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Marilou stood among all girls' names in any year, or use the compare tool to plot it against other names.
Marilou year by year
Every year since 2001, and five-year steps back to 1880. Rank is within each sex.
| Year | Girls | Girls rank |
|---|---|---|
| 2025 | — | — |
| 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 |
| 2015 | — | — |
| 2014 | — | — |
| 2013 | 8 | #12,741 |
| 2012 | 6 | #16,185 |
| 2011 | 5 | #18,554 |
| 2010 | — | — |
| 2009 | — | — |
| 2008 | 8 | #13,366 |
| 2007 | 6 | #16,828 |
| 2006 | — | — |
| 2005 | — | — |
| 2004 | 8 | #12,337 |
| 2003 | — | — |
| 2002 | 10 | #9,986 |
| 2001 | 7 | #12,942 |
| 2000 | 8 | #11,408 |
| 1995 | 8 | #10,160 |
| 1990 | 17 | #5,441 |
| 1985 | 18 | #4,376 |
| 1980 | 14 | #5,134 |
| 1975 | 17 | #3,878 |
| 1970 | 24 | #2,902 |
| 1965 | 26 | #2,382 |
| 1960 | 58 | #1,450 |
| 1955 | 61 | #1,300 |
| 1950 | 79 | #1,032 |
| 1945 | 74 | #878 |
| 1940 | 61 | #921 |
| 1935 | 61 | #889 |
| 1930 | 80 | #792 |
| 1925 | 29 | #1,562 |
| 1920 | 10 | #3,259 |
| 1915 | 10 | #2,828 |
| 1910 | — | — |
| 1905 | — | — |
| 1900 | — | — |
| 1895 | — | — |
| 1890 | — | — |
| 1885 | — | — |
| 1880 | — | — |
Famous people named Marilou
- Marilou Berry Actor · b. 1983
Ranked by global fame across Wikipedia editions (Pantheon project, MIT).
Frequently asked questions
What does the name Marilou mean?
A female given name from French.
How popular is the name Marilou in 2025?
Marilou did not appear in the 2025 Social Security data, which means fewer than five babies received the name that year.
How many people are named Marilou?
3,231 babies have been named Marilou in the United States since 1915, based on Social Security card applications.
When was the name Marilou most popular?
Marilou peaked in 1948, when 90 newborns received the name.
Is Marilou a boy or girl name?
Marilou is overwhelmingly a girl's name — 100% of babies with the name.
Is the name Marilou rising or falling?
Marilou is on the rise — noticeably more popular now than a decade ago.
Who are famous people named Marilou?
Well-known people named Marilou include Marilou Berry (actor).