Meaning and name origin
Dyllan \d(yl)-lan\ as a boy's name (also used as girl's name Dyllan), is of Welsh origin, and the meaning of Dyllan is "son of the sea". Dyllan is a variant of Dylan (Welsh); mythology: a legendary Welsh hero.
Dyllan is not a popular first name for males and an equally uncommon surname or last name for all people (2000 U.S. Census).
Displayed below is the baby name popularity of the name Dyllan for boys (2014 statistics).
Displayed below is a comparison of the popularity of the boy name Dyllan and its variant forms. Popular variation forms ranked in the Top 1000/100 are Dylan (#29), Dillon (#398), Dillan, Dylon and Dyllan. (2014 statistics).