Louise vs Lou
Side-by-side comparison of Louise and Lou - popularity rank, total births, peak decade, and historical trends from Social Security Administration data.
Which name is more popular?
| Metric | Louise | Lou |
| Current Rank | #540 | #2508 |
| Total Births (all years) | 336,466 | 34,109 |
| Peak Year | 1921 | 1954 |
| Peak Year Births | 9,180 | 1,495 |
| Peak Decade | 1920s | 1950s |
| Gender | Girl | Girl |
| First Recorded Year | 1880 | 1880 |
Births by Decade
| Decade | Louise | Lou |
| 1880s | 9,596 | 1,364 |
| 1890s | 15,174 | 1,283 |
| 1900s | 22,862 | 1,261 |
| 1910s | 67,973 | 2,550 |
| 1920s | 82,895 | 3,930 |
| 1930s | 49,859 | 5,165 |
| 1940s | 38,665 | 4,722 |
| 1950s | 25,852 | 9,084 |
| 1960s | 10,894 | 3,037 |
| 1970s | 2,918 | 767 |
| 1980s | 1,965 | 177 |
| 1990s | 1,295 | 65 |
| 2000s | 1,035 | 85 |
| 2010s | 2,489 | 255 |
| 2020s | 2,994 | 364 |
Recent Annual Births (2014–present)
| Year | Louise | Lou |
| 2014 | 201 | 22 |
| 2015 | 243 | 29 |
| 2016 | 313 | 35 |
| 2017 | 339 | 30 |
| 2018 | 340 | 39 |
| 2019 | 428 | 40 |
| 2020 | 417 | 43 |
| 2021 | 460 | 54 |
| 2022 | 462 | 62 |
| 2023 | 514 | 69 |
| 2024 | 562 | 71 |
| 2025 | 579 | 65 |