The boy's and girl's name Gillian \gi(l)-lian\ is a variant of Gillean.
The baby name Gillian sounds like Gillion, Gillan, Gilian and Killian. Other similar baby names are Cillian and Gillman.
Gillian is a very rare male first name and a very popular surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the boy's name Gillian. Click here to compare Gillian with related baby names.
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