Boy Names That Start With A

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

A is the most common first initial for baby boys in the United Kingdom, with 35 A names in the top 300 for 2025, led by Arthur (#6). Of those, Atlas is the fastest-growing, now 3.3 times as common as in 2020, while Albie saw the largest increase in births, with 319 more babies receiving the name than in 2020. Alfred (#83) is one of four A names that reached their highest ranks on record in 2025.