From Namespedia - Names Meaning and Origins
Thematic: Popular Culture
Meaning: Probably is derived from the latin "collega"
Comments: First time of use of the name is at year 1834, on a dedication of an icon in a village church of Mesinia Greece. Could be found either starting with the letter "K" instead of "C". People using it as last name reside in Greece, Germany, Spain and USA.