Girl Names That Start With I

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

I is the 6th most common first initial for baby girls in the United Kingdom, with 14 I names in the top 300 for 2025, led by Isla (#4). Of those, Irha is the fastest-growing, now 3 times as common as in 2020, while Inaya saw the largest increase in births, with 152 more babies receiving the name than in 2020. Iris (#61) reached its highest rank on record in 2025.