Family name origins & meanings
- North German (also Dähler) : topographic name for someone who lived in a valley (see Dahl), or habitational name for someone from a place named with this word.
- German : from a Germanic word meaning ‘proud’, ‘famous’ (cognate with Anglo-Saxon deal).
- Norwegian : from the farm name Daler, plural indefinite form of dal ‘valley’ (see Dal).