From the valley town
Daltyn is a modern creative spelling of the English surname Dalton. It originates from Old English words 'dael' meaning valley and 'tun' meaning settlement or enclosure.
Less common today
Daltyn isn't in the latest US Top 1000. It last peaked at #4,275 in 2001.
US births per 5-year period, 1990βpresent (SSA data).