Family name origins & meanings
- German : nickname meaning ‘the foolish one’, from a noun derivative of Middle High German tump ‘simple’ (see Dumm).
- German : (Dümmer) from the name of a lake near Oldenburg, in Mecklenburg.
- German : Richard Dummer, father of master colonial silversmith and magistrate Jeremiah Dummer (1645–1718), is said to have been a native of Bishopstoke, England, who settled at Newbury, MA, and later at Boston, and in 1635–36 was one of the governor’s assistants.