Coan is a rare given name with a limited history. It is derived from the Old English word cōl, meaning coal, and the suffix -an, which is a common suffix in English names. Coan has been used as a given name in various cultures, including the Welsh and Irish. In Wales, Coan is a rare name, but it has been recorded in historical records. In Ireland, Coan is a variant of the name Colin, which means little dark one. Coan has significant cultural and historical importance, particularly in Wales and Ireland.