Dillan
d(il)-lan
US Popularity:6876
Origin:Irish
Other Origin(s):Welsh
Meaning:Sea; Faithful; Loyal
Dillan is a gender-neutral name of Welsh and Irish origins. Coming from the Welsh name Dylan, it means “sea.” As your bundle of joy explores different parts of the world, this name is sure to help them keep a strong connection to the open waters. Dillan is also a variant spelling of the Irish name Dillon, which means “lion,” “faithful,” or “loyal.” Make sure your baby knows to stay faithful to their pride in every way with the name Dillan.
How Popular Is The Name Dillan?
U.S. Births
Overall:Dillan is currently #6876 in U.S. births
Boy:Dillan is currently #3871 in U.S. births
Girl:Dillan is currently #10312 in U.S. births
Yearly Ranking Change:
Year:
2025
Gender:
Girl
#10312
in 2025
- 613
from 2024
Sources
House of Names, Dillan History, Family Crest & Coats of Arms
Behind the Name, Dillan, December 2014
Name Doctor, Dillan
Behind the Name, Dylan, January 2022
Name Doctor Dylan
100,000+ Baby Names by Bruce Lansky, pg. 392
Learn how we keep our content accurate and up-to-date by reading ourmedical review and editorial process.
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