Boy Names That End in S

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

S is the 3rd most common last letter for baby boys' names in the United States, with 29 names ending in S in the top 300 for 2025, led by James (#6). Of those, Ares is the fastest-growing, now 2.5 times as common as in 2020, while Elias saw the largest increase in births, with 2,847 more babies receiving the name than in 2020. Silas (#71) is one of two names ending in S that reached their highest ranks on record in 2025.