Popularity in the United States (by decade)
Numbers
| Louise (feminine) | Louise (masculine) | |||||
| Year | Rank | Percent Used | Rank | Percent Used | ||
| 2020 | #638 | 0.026 | - | - | ||
| 2010 | #1046 | 0.013 | - | - | ||
| 2000 | #1884 | 0.005 | - | - | ||
| 1990 | #1326 | 0.007 | - | - | ||
| 1980 | #846 | 0.011 | - | - | ||
| 1970 | #584 | 0.018 | - | - | ||
| 1960 | #272 | 0.058 | - | - | ||
| 1950 | #143 | 0.131 | #1993 | 0.001 | ||
| 1940 | #80 | 0.260 | #1469 | 0.002 | ||
| 1930 | #41 | 0.451 | #988 | 0.004 | ||
| 1920 | #26 | 0.668 | #991 | 0.004 | ||
| 1910 | #18 | 0.799 | #972 | 0.005 | ||
| 1900 | #27 | 0.736 | #779 | 0.007 | ||
| 1890 | #36 | 0.645 | #746 | 0.007 | ||
| 1880 | #38 | 0.686 | #845 | 0.004 | ||
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