Thalassa
Girl nameThalassa has been given to 6 babies in the U.S. since 1977. It peaked in 1977.
Popularity over time births per year, 1880–2025
Total babies
6
Peak year
1977 (6 babies)
Rank in 2025
Below top 1000
First recorded
1977
10-year trend
New / returning
Gender split
All girls
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Thalassa.
Sibling name ideas for Thalassa
Same era and popularity as Thalassa, avoiding matching initials or rhymes.
FAQ
How popular is the name Thalassa?
Thalassa has been given to 6 babies in the U.S. since 1977. It ranked below the top 1000 in 2025.
When did the name Thalassa peak?
Thalassa peaked in 1977, when 6 babies were given the name.
Is Thalassa a girl or boy name?
Thalassa is primarily a girl name (100% of babies named Thalassa are girls).
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