The baby name Marylyn appears in baby name data for the United States from 1921 to 1995. It was most popular in 1936 with 221 babies given the name.
In the later years of this period, Marylyn has become less common than it once was.
| Year | Count |
|---|---|
| 1921 | 10 |
| 1923 | 12 |
| 1927 | 31 |
| 1928 | 38 |
| 1929 | 20 |
| 1930 | 37 |
| 1931 | 7 |
| 1932 | 58 |
| 1933 | 67 |
| 1934 | 54 |
| 1935 | 32 |
| 1936 | 221 |
| 1937 | 73 |
| 1938 | 58 |
| 1939 | 51 |
| 1940 | 33 |
| 1941 | 21 |
| 1942 | 26 |
| 1943 | 24 |
| 1944 | 19 |
| 1945 | 30 |
| 1946 | 40 |
| 1947 | 41 |
| 1948 | 6 |
| 1949 | 12 |
| 1950 | 12 |
| 1951 | 21 |
| 1952 | 23 |
| 1953 | 21 |
| 1955 | 5 |
| 1959 | 8 |
| 1995 | 5 |