Popularity in the United States (by decade)
Numbers
| Ralph (masculine) | Ralph (feminine) | |||||
| 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 | #31 | 0.588 | #1325 | 0.003 | ||
| 1920 | #25 | 0.743 | #1087 | 0.004 | ||
| 1910 | #21 | 0.756 | #1366 | 0.003 | ||
| 1900 | #27 | 0.634 | - | - | ||
| 1890 | #32 | 0.565 | #1593 | 0.001 | ||
| 1880 | #42 | 0.363 | #1373 | 0.001 | ||
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