The boy's name Callum \c(al)-lum\ is a variant of Calum and Colm.
The baby name Callum sounds like Colum and Clem. Other similar baby names are Callis, Callys, Callumet, Hallam and Hallem.
Callum is a very rare male first name and a common surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the boy's name Callum. Click here to compare Callum with related baby names.
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