Declining since 2021, #4,539 for boys today.
Popularity of Poseidon since 2010
Babies named Poseidon per year in U.S. Social Security records.
Data table (by decade)
| Decade | Boys |
|---|---|
| 2010s | 192 |
| 2020s | 152 |
Meaning & origin
Poseidon is a rare mythological name that first appeared on U.S. records in 2010. It reached its peak rank of 4,539 in 2022 and has since declined slightly. The name has a 1-in-77,640 frequency in 2025, indicating it remains an unusual choice. Its trajectory has been falling since 2021, though it saw slight increases in the early 2020s. The top state for Poseidon is New York, reflecting the name's appeal in urban, culturally diverse areas. As a direct reference to the Greek god of the sea, Poseidon carries a strong, powerful image but remains outside mainstream usage, likely due to its strong mythological association.
Poseidon is the name of the Greek god of the sea, earthquakes, and horses. The etymology is debated; it may derive from Greek 'posis' (husband) and 'da' (earth), or from 'potes' (lord, master) combined with an unknown element. The name entered the modern English-speaking world through classical mythology and has been used sparingly as a given name, often in reference to the mythological figure.
Where Poseidon is most popular
Births per 100,000 boys by state, 2025. The lightest shade means too few recorded births.
Sibling names for Poseidon
Names that share Poseidon's style, for a brother or sister.
