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Dictionary of Medieval Names
from European Sources

Dunstan m. Old English dunn 'brown' + Old English stān 'stone'.

The name of a 10th C English saint.

England
Latin
966 Dunstanus (nom) CDAS DXXVIII; 967 Dunstan (nom) ibid. DXXXIII, Dunstanus (nom) ibid. DXXXIV
Early Modern English
1570 Dunston BEmar-vol1 p. 8
Ireland
Latin
fin12thC Dunstani (gen) MunDocIr III, p. 4
Cite as: S.L. Uckelman. "Dunstan". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 3. http://dmnes.org/2015/3/name/Dunstan.