Mervyn is a rare variant of Mervin that was most common in the 1930s and has all but disappeared.
Mervyn is predominantly a boy name. It last appears in U.S. records in 2016. Mervyn was first reported in SSA data in 1905 and peaked in 1937 (55 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2016 | 5 | 5 | — | #13,541 |
| 2002 | 7 | 7 | — | #9,075 |
| 2001 | 6 | 6 | — | #10,106 |
| 1998 | 8 | 8 | — | #7,308 |
| 1994 | 10 | — | — | #5,750 |
| 1992 | 14 | — | — | #4,258 |
| 1991 | 11 | — | — | #4,986 |
| 1990 | 8 | — | — | #6,220 |
| 1989 | 8 | — | — | #6,030 |
| 1985 | 7 | — | — | #5,554 |
| 1984 | 7 | — | — | #5,365 |
| 1983 | 7 | — | — | #5,279 |
| 1982 | 8 | — | — | #4,861 |
| 1981 | 14 | — | — | #3,158 |
| 1980 | 7 | — | — | #5,309 |
| 1979 | 5 | — | — | #6,719 |
| 1977 | 8 | — | — | #4,447 |
| 1976 | 6 | — | — | #5,375 |
| 1975 | 6 | — | — | #5,228 |
| 1974 | 10 | — | — | #3,488 |
| 1972 | 12 | — | — | #2,942 |
| 1971 | 13 | — | — | #2,767 |
| 1970 | 7 | — | — | #4,098 |
| 1968 | 17 | — | — | #2,005 |
| 1967 | 11 | — | — | #2,562 |
| 1966 | 9 | — | — | #2,915 |
| 1965 | 8 | — | — | #3,160 |
| 1964 | 12 | — | — | #2,509 |
| 1963 | 17 | — | — | #2,014 |
| 1962 | 14 | — | — | #2,248 |
| 1961 | 8 | — | — | #3,277 |
| 1960 | 9 | — | — | #3,012 |
| 1959 | 8 | — | — | #3,190 |
| 1958 | 13 | — | — | #2,332 |
| 1957 | 12 | — | — | #2,449 |
| 1956 | 14 | — | — | #2,229 |
| 1955 | 10 | — | — | #2,701 |
| 1954 | 12 | — | — | #2,391 |
| 1953 | 13 | — | — | #2,253 |
| 1952 | 10 | — | — | #2,624 |
| 1951 | 14 | — | — | #2,114 |
| 1950 | 16 | — | — | #1,927 |
| 1949 | 21 | — | — | #1,652 |
| 1948 | 14 | — | — | #2,085 |
| 1947 | 13 | — | — | #2,221 |
| 1946 | 22 | — | — | #1,542 |
| 1945 | 19 | — | — | #1,561 |
| 1944 | 24 | — | — | #1,390 |
| 1943 | 34 | — | — | #1,180 |
| 1942 | 33 | — | — | #1,225 |
| 1941 | 25 | — | — | #1,361 |
| 1940 | 39 | — | — | #1,044 |
| 1939 | 41 | — | — | #1,001 |
| 1938 | 36 | — | — | #1,085 |
| 1937 | 55 | — | — | #828 |
| 1936 | 52 | — | — | #851 |
| 1935 | 54 | — | — | #856 |
| 1934 | 48 | — | — | #915 |
| 1933 | 47 | — | — | #919 |
| 1932 | 39 | — | — | #1,085 |
| 1931 | 32 | — | — | #1,234 |
| 1930 | 47 | — | — | #999 |
| 1929 | 35 | — | — | #1,187 |
| 1928 | 27 | — | — | #1,437 |
| 1927 | 23 | — | — | #1,627 |
| 1926 | 30 | — | — | #1,345 |
| 1925 | 35 | — | — | #1,216 |
| 1924 | 28 | — | — | #1,444 |
| 1923 | 23 | — | — | #1,627 |
| 1922 | 22 | — | — | #1,680 |
| 1921 | 36 | — | — | #1,218 |
| 1920 | 36 | — | — | #1,221 |
| 1919 | 15 | — | — | #2,118 |
| 1918 | 24 | — | — | #1,521 |
| 1917 | 24 | — | — | #1,468 |
| 1916 | 25 | — | #4,920 | #1,630 |
| 1915 | 29 | — | — | #1,235 |
| 1914 | 14 | — | — | #1,743 |
| 1913 | 20 | — | — | #1,165 |
| 1912 | 12 | — | — | #1,497 |
| 1911 | 7 | — | — | #1,487 |
| 1905 | 5 | — | — | #1,361 |