Colonia is not a popular first name.
First names and their meaning - Page 9541
Combe
Combe is not a popular first name.
Commander
Commander is not a popular first name.
Conaire
Origin: Scottish-Gaelic. 
Meaning: Wise or red, Wise. 
Conaire is an Irish language male given name. It gave rise to the original form of the anglicized surname Connery. […] 
Coniah
Meaning: Strength of the lord. 
Coniah is not a popular first name. It is more often used as a boy (male) name. 
Connley
Meaning: Hero. 
Connley is not a popular first name. It is more often used as a boy (male) name. 
Conty
Conty is not a popular first name.
Corabelle
Meaning: Maiden. 
Corabelle is not a popular first name. It is more often used as a girl (female) name. 
Cordier
Cordier is not a popular first name.
Corniel
Corniel is not a popular first name.