The baby name Merilyn appears in baby name data for the United States from 1926 to 1957. It was most popular in 1943 with 20 babies given the name.
Over the period shown, Merilyn has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1926 | 5 |
| 1927 | 12 |
| 1930 | 15 |
| 1932 | 11 |
| 1933 | 12 |
| 1936 | 7 |
| 1937 | 19 |
| 1938 | 5 |
| 1939 | 10 |
| 1940 | 10 |
| 1941 | 12 |
| 1942 | 11 |
| 1943 | 20 |
| 1944 | 13 |
| 1945 | 16 |
| 1946 | 16 |
| 1947 | 5 |
| 1952 | 7 |
| 1954 | 5 |
| 1957 | 5 |