int. Irish. [= By dad, or by God (cf. begad).] An asseveration.
1710. Swift, Lett. (1768), III. 25. Only because it is Tuesday, a Monday bedad.
1848. Thackeray, Van. Fair, II. iv. 39. Bedad its him, said Mrs. ODowd.
1871. J. Young, Mem. C. M. Young, 324. Standing where, bedad, Im standing now.