The baby name Selwyn appears in baby name data for the United States from 1917 to 1998. It was most popular in 1930 with 21 babies given the name.
In the later years of this period, Selwyn has become less common than it once was.
| Year | Count |
|---|---|
| 1917 | 5 |
| 1918 | 7 |
| 1923 | 5 |
| 1924 | 9 |
| 1925 | 10 |
| 1926 | 8 |
| 1927 | 10 |
| 1928 | 14 |
| 1929 | 9 |
| 1930 | 21 |
| 1931 | 15 |
| 1932 | 6 |
| 1934 | 5 |
| 1961 | 6 |
| 1962 | 7 |
| 1964 | 5 |
| 1969 | 7 |
| 1970 | 6 |
| 1972 | 5 |
| 1990 | 6 |
| 1992 | 14 |
| 1998 | 5 |