Boy Names That End in X

Ranked in the United Kingdom in 2025, with birth trends and peak years.

X is the 15th most common last letter for baby boys' names in the United Kingdom, with seven names ending in X in the top 300 for 2025, led by Max (#46). Of those, Lennox is the fastest-growing, up 69% since 2020. Felix (#66) reached its highest rank on record in 2025.