The baby name Synthia appears in baby name data for the United States from 1952 to 2018. It was most popular in 1994 with 26 babies given the name.
Over the period shown, Synthia has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1952 | 5 |
| 1954 | 5 |
| 1957 | 17 |
| 1958 | 10 |
| 1959 | 8 |
| 1960 | 14 |
| 1961 | 12 |
| 1963 | 5 |
| 1965 | 21 |
| 1966 | 5 |
| 1967 | 12 |
| 1968 | 5 |
| 1970 | 17 |
| 1975 | 5 |
| 1983 | 5 |
| 1990 | 10 |
| 1994 | 26 |
| 1996 | 6 |
| 1997 | 6 |
| 2018 | 10 |