Meaning and name origin
Dillan \d(il)-lan\ as a boy's name (also used as girl's name Dillan), is of Irish, Gaelic and Welsh origin, and the meaning of Dillan is "like a lion; loyal". Dillan is a variant of Dillon (Irish, Gaelic): sounds like Dylan.
Dillan 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 Dillan for boys. Dillan reached its highest rank of #553 in the U.S. in 1992. (2014 statistics).
Displayed below is a comparison of the popularity of the boy name Dillan and its variant forms. Popular variation forms ranked in the Top 1000/100 are Dylan (#29), Dillon (#398), Dilan (#834), Dyllan, Dillan and Dylon. (2014 statistics).
Dillan is also pronounced similarly to Daelan, Dalan, Dallan, Dallen, Dallin, Dallon, Daylan and Dolan. Other suggested similar baby names are Fillan and Gillan. Like Dillan, these names are not commonly used.