Latin 'Leo' meaning lion, classical simple strength and modern masculine surge.
Vibe
boldwarm
How it ages.
Explosive 2000s-2020s US surge; now one of top-10 boys names with saturation signs visible.
The cultural moment.
US showing strong growth 2010-2025 with peak plateau approaching; UK and Australia following 5-year lag. Currently ranks #4 in the UK, #6 in Switzerland, #7 in Austria, #7 in Germany, #10 in Spain, #10 in Ireland and #19 in the US.