US Popularity Rank: 12179

Origin: Irish

Meaning: Son of Gill; Servant of St. John; Of Gillian; Youthful

Gillan is a gender-neutral name with roots in the Emerald Isle. This rare gem derives from the Irish surname Gillean or Ó Giolláin, meaning "son of Gill" or "servant of St. John." It may also take after Latin Gillian, meaning "youthful." Your Gillan, forever young, will be devoted to their family and bring sunshine on the rainiest of days!