Son of a lion
A Latinized variant of the Greek name Leonidas. It is derived from the Greek word 'leon' (lion) combined with the patronymic suffix '-ides', signifying a descendant or son of a lion. It is most famously associated with the Spartan king who led the 300 at Thermopylae.
Fewer than 5 boys were named Leonidus in 2025.
King of Sparta who led the Greeks at the Battle of Thermopylae
The protagonist and Spartan King · 300
Confederate general and Episcopal bishop
US births per 5-year period, 1990–present (SSA data).
