The baby name Marnie appears in baby name data for the United States from 1947 to 2024. It was most popular in 1969 with 548 babies given the name.
In the later years of this period, Marnie has become less common than it once was.
| Year | Count |
|---|---|
| 1947 | 5 |
| 1963 | 15 |
| 1964 | 40 |
| 1965 | 189 |
| 1966 | 171 |
| 1967 | 218 |
| 1968 | 437 |
| 1969 | 548 |
| 1970 | 453 |
| 1971 | 364 |
| 1972 | 288 |
| 1973 | 224 |
| 1974 | 178 |
| 1975 | 139 |
| 1976 | 103 |
| 1977 | 114 |
| 1978 | 65 |
| 1979 | 40 |
| 1980 | 34 |
| 1981 | 46 |
| 1982 | 7 |
| 1983 | 27 |
| 1984 | 6 |
| 1988 | 10 |
| 1995 | 5 |
| 2021 | 10 |
| 2022 | 20 |
| 2023 | 7 |
| 2024 | 10 |