Dillon is an Irish surname (although not Gaelic in origin) which means "loyal and true". It was introduced into Ireland from France during the Anglo-Norman invasion in the 1200s. Dylan is unrelated to Dillon, it is a first name of Welsh origin.
-- Anonymous User 8/26/2005
Actor Matt Dillon is a famous bearer.
-- Anonymous User 12/23/2005
The name Dillon can be literally translated to "man from the sea."
-- Anonymous User 7/20/2006
As was said before Dillon means "faithful". Dylan has to do with the sea. Dillon is usually a surname, Dylan is a first name. Dillon is Irish and Dylan is Welsh. In other words they mean two completely different things with two completely different origins.
-- Anonymous User 10/25/2006
I like this name, and prefer the spelling "Dillon" to "Dylan." As said before me, the two names are unrelated.
Dillon is the older spelling (being taken from the surname) so Dylan is the poser. My boyfriend's name is Dillon and he hates it. His sister nicknamed him Dill pickle among other things (if you think about it, you will get it). People are constantly misspelling and mispronouncing his name. The most common issue is that people try to spell it Dylan or Dillion.