Spanish and Portuguese form of Lionel, from Latin leonellus meaning 'little lion'; widely used in Latin America and southern Europe, associated with footballer Lionel Messi.
Nicknames
leo
Vibe
gentle
How it ages.
Ages well and travels broadly; the Messi connection adds aspirational energy without overdetermining it.
The cultural moment.
Long-standing classic in Brazil, Argentina, and Spain; steady top-200 name throughout the 2000s-2020s.