Young creature, pup, or coal
Collan is a rare variant of the Gaelic name Colin or the English name Collin. It likely derives from the Gaelic 'cailean', meaning 'young creature' or 'pup', though it is sometimes associated with the English surname meaning 'son of Cole' or 'coal'.
Less common today
Collan isn't in the latest US Top 1000. It last peaked at #5,338 in 1993.
US births per 5-year period, 1990–present (SSA data).
