Family name origins & meanings
- English : habitational name, in part probably from places in Oxfordshire and Berkshire called Culham. The first is named with an Old English personal name Cūla + hamm ‘river meadow’; the Berkshire name is from Old English cyln ‘kiln’ + Old English hām ‘homestead’ or hamm ‘river meadow’.
- Scottish : reduced form of McCollum.