The baby name Regenia appears in baby name data for the United States from 1941 to 1972. It was most popular in 1948 with 123 babies given the name.
In the later years of this period, Regenia has become less common than it once was.
| Year | Count |
|---|---|
| 1941 | 6 |
| 1943 | 11 |
| 1946 | 19 |
| 1947 | 27 |
| 1948 | 123 |
| 1949 | 81 |
| 1950 | 68 |
| 1951 | 59 |
| 1952 | 74 |
| 1953 | 84 |
| 1954 | 28 |
| 1955 | 74 |
| 1956 | 68 |
| 1957 | 55 |
| 1958 | 34 |
| 1959 | 32 |
| 1960 | 63 |
| 1961 | 99 |
| 1962 | 17 |
| 1963 | 38 |
| 1964 | 36 |
| 1965 | 29 |
| 1966 | 47 |
| 1967 | 8 |
| 1968 | 31 |
| 1969 | 31 |
| 1970 | 35 |
| 1971 | 20 |
| 1972 | 10 |