Breidyn is a modern name of Welsh origin, derived from the ancient Welsh word "breidd," which means "exalted" or "lofty." The name is often used in Wales and has gained international popularity in recent years. It is predominantly given to boys but can also be used as a unisex name. Breidyn is typically spelled with an 'i' after the 'd,' unlike some variations that may use 'y.'
Breidyn had its first and only year with five births in 2008.