Holding steady.
Popularity of Cynethia since 1955
Babies named Cynethia per year in U.S. Social Security records. Raw births topped out in 1967, but relative to how few babies were recorded back then, Cynethia's real moment was 1977.
Data table (by decade)
| Decade | Girls |
|---|---|
| 1950s | 20 |
| 1960s | 49 |
| 1970s | 55 |
| 1980s | 59 |
| 1990s | 7 |
| 2000s | 0 |
| 2010s | 0 |
| 2020s | 0 |
Meaning & origin
Cynethia is a rare modern coinage that first appeared in U.S. birth records in 1955, a time when inventive feminine names with elaborate spellings were gaining popularity. It reached its peak frequency in 1977, but even then it did not enter the top 1000, making it a truly uncommon choice. The name's trajectory has been stable, with only a handful of births each year in recent decades. Its spelling and sound suggest it is a creative variant of the more established Cynthia, which itself derives from a Greek epithet for Artemis. While Cynethia lacks deep historical roots, its rarity can appeal to parents seeking a distinctive name that still feels familiar.
Cynethia appears to be a modern English coinage, likely formed by blending the name Cynthia (derived from Greek Kynthia, an epithet of Artemis) with an invented or fashionable ending. The name first appeared in U.S. records in 1955 and saw modest use, peaking in 1977. Its spelling suggests a phonetic variant of Cynthia, possibly influenced by names like Lynethia.
Nicknames & variants
Nicknames: Cyn, Cyndi, Thea
Sibling names for Cynethia
Names that share Cynethia's style, for a brother or sister.

