Last name origin & meaning: Welsh: Anglicized form of Welsh ap
Ble(i)ddyn ‘son of Ble(i)ddyn’, a byname meaning ‘wolf cub’,
from blaidd ‘wolf’ + the diminutive suffix -yn. Blaidd was used
in medieval Welsh as a term for a hero, and sometimes for a
cruel man or for an enemy who feigned friendship. Comments for
Blethen