Declining since 2015.
Popularity of Leonidus since 2007
Babies named Leonidus per year in U.S. Social Security records. Raw births topped out in 2008, but relative to how few babies were recorded back then, Leonidus's real moment was 2018.
Data table (by decade)
| Decade | Boys |
|---|---|
| 2000s | 21 |
| 2010s | 109 |
| 2020s | 28 |
Meaning & origin
Leonidus is a modern, rare name that first appeared in U.S. birth records in 2007. Its popularity peaked in 2018, after which it has fallen in use since 2015. The name does not rank in the top 1000 for any year, and it has not been recorded in any top states. Its meaning is uncertain but likely derives from Greek roots meaning 'lion' or is a modern elaboration of Leon. Parents choosing Leonidus are opting for a distinctive, uncommon name with a classical feel.
Leonidus appears to be a modern coinage, likely inspired by the ancient Greek name Leonidas (from Leon, meaning 'lion') combined with the Latin-suffix -idus. It first appeared in U.S. records in 2007 and has seen modest use, with a peak in 2018. The name may also draw from other Leon- names (Leonard, Leon) and the fashionable -idus ending seen in names like Clavidus.
Sibling names for Leonidus
Names that share Leonidus's style, for a brother or sister.
