Popularity in the United States (by decade)
Numbers
| Murphy (masculine) | Murphy (feminine) | |||||
| Year | Rank | Percent Used | Rank | Percent Used | ||
| 2020 | #943 | 0.013 | #685 | 0.024 | ||
| 2010 | #1323 | 0.007 | - | - | ||
| 2000 | #1903 | 0.003 | - | - | ||
| 1990 | #1731 | 0.003 | - | - | ||
| 1980 | #1818 | 0.002 | - | - | ||
| 1970 | #1504 | 0.002 | - | - | ||
| 1960 | #1246 | 0.002 | - | - | ||
| 1950 | #950 | 0.003 | - | - | ||
| 1940 | #872 | 0.004 | - | - | ||
| 1930 | #806 | 0.006 | - | - | ||
| 1920 | #770 | 0.006 | - | - | ||
| 1910 | #764 | 0.007 | - | - | ||
| 1900 | #608 | 0.010 | - | - | ||
| 1890 | #743 | 0.007 | - | - | ||
| 1880 | #1016 | 0.003 | - | - | ||
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