Popularity in the United States (by decade)
Numbers
| Merle (masculine) | Merle (feminine) | |||||
| Year | Rank | Percent Used | Rank | Percent Used | ||
| 2020 | - | - | - | - | ||
| 2010 | - | - | - | - | ||
| 2000 | - | - | - | - | ||
| 1990 | - | - | - | - | ||
| 1980 | #1399 | 0.003 | - | - | ||
| 1970 | #863 | 0.005 | - | - | ||
| 1960 | #629 | 0.008 | #1961 | 0.002 | ||
| 1950 | #425 | 0.015 | #920 | 0.006 | ||
| 1940 | #307 | 0.028 | #524 | 0.014 | ||
| 1930 | #214 | 0.053 | #422 | 0.023 | ||
| 1920 | #180 | 0.070 | #351 | 0.029 | ||
| 1910 | #190 | 0.067 | #327 | 0.033 | ||
| 1900 | #242 | 0.044 | #319 | 0.034 | ||
| 1890 | #287 | 0.031 | #333 | 0.030 | ||
| 1880 | #389 | 0.018 | #529 | 0.012 | ||
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