Popularity in the United States (by decade)
Numbers
| Ralph (feminine) | Ralph (masculine) | |||||
| Year | Rank | Percent Used | Rank | Percent Used | ||
| 2020 | - | - | #1145 | 0.010 | ||
| 2010 | - | - | #1023 | 0.010 | ||
| 2000 | - | - | #721 | 0.013 | ||
| 1990 | - | - | #489 | 0.022 | ||
| 1980 | - | - | #267 | 0.042 | ||
| 1970 | - | - | #171 | 0.086 | ||
| 1960 | - | - | #105 | 0.174 | ||
| 1950 | - | - | #66 | 0.295 | ||
| 1940 | - | - | #44 | 0.429 | ||
| 1930 | #1325 | 0.003 | #31 | 0.588 | ||
| 1920 | #1087 | 0.004 | #25 | 0.743 | ||
| 1910 | #1366 | 0.003 | #21 | 0.756 | ||
| 1900 | - | - | #27 | 0.634 | ||
| 1890 | #1593 | 0.001 | #32 | 0.565 | ||
| 1880 | #1373 | 0.001 | #42 | 0.363 | ||
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