Cynnthia
Girl nameCynnthia has been given to 6 babies in the U.S. since 1957. It peaked in 1957.
Popularity over time births per year, 1880–2025
Total babies
6
Peak year
1957 (6 babies)
Rank in 2025
Below top 1000
First recorded
1957
10-year trend
New / returning
Gender split
All girls
Spellings & variants
Names one letter away from Cynnthia — alternate spellings parents actually use.
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Cynnthia.
Sibling name ideas for Cynnthia
Same era and popularity as Cynnthia, avoiding matching initials or rhymes.
FAQ
How popular is the name Cynnthia?
Cynnthia has been given to 6 babies in the U.S. since 1957. It ranked below the top 1000 in 2025.
When did the name Cynnthia peak?
Cynnthia peaked in 1957, when 6 babies were given the name.
Is Cynnthia a girl or boy name?
Cynnthia is primarily a girl name (100% of babies named Cynnthia are girls).
Get new name insights first
Occasional updates when we add new data & tools. No spam, unsubscribe anytime by replying to any email or writing to hello@zalize.com.
By subscribing you agree to our privacy policy. We store only your email address and the date you signed up.