Marilou vs Mary
Side-by-side comparison of Marilou and Mary - popularity rank, total births, peak decade, and historical trends from Social Security Administration data.
Which name is more popular?
| Metric | Marilou | Mary |
| Current Rank | #11190 | #131 |
| Total Births (all years) | 3,231 | 4,141,481 |
| Peak Year | 1948 | 1921 |
| Peak Year Births | 90 | 73,984 |
| Peak Decade | 1940s | 1920s |
| Gender | Girl | Girl |
| First Recorded Year | 1915 | 1880 |
Births by Decade
| Decade | Marilou | Mary |
| 1880s | - | 91,668 |
| 1890s | - | 131,138 |
| 1900s | - | 161,504 |
| 1910s | 64 | 478,636 |
| 1920s | 376 | 701,755 |
| 1930s | 618 | 573,000 |
| 1940s | 729 | 640,080 |
| 1950s | 697 | 625,606 |
| 1960s | 295 | 355,240 |
| 1970s | 143 | 126,254 |
| 1980s | 106 | 95,862 |
| 1990s | 81 | 75,723 |
| 2000s | 47 | 46,337 |
| 2010s | 43 | 25,693 |
| 2020s | 32 | 12,985 |
Recent Annual Births (2014–present)
| Year | Marilou | Mary |
| 2014 | - | 2,637 |
| 2015 | - | 2,642 |
| 2016 | 5 | 2,526 |
| 2017 | 5 | 2,425 |
| 2018 | 9 | 2,369 |
| 2019 | 5 | 2,241 |
| 2020 | 8 | 2,230 |
| 2021 | 5 | 2,102 |
| 2022 | 5 | 2,119 |
| 2023 | 6 | 2,085 |
| 2024 | 8 | 2,219 |
| 2025 | - | 2,230 |