Hazrat Amr (ra) bin Ma‘bad’s name is also reported as Umair (ra) bin Ma‘bad. His father’s name was Ma‘bad bin Az‘ar. Hazrat Amr (ra) bin Ma‘bad belonged to the Banu Zubaya branch of the Aus tribe of the Ansar.
(Al-Sirat al-Nabawiyyah li Ibn Hisham, p. 465, Baab Al-Ansar wa man ma’ahum, Dar-ul-Kutub al-Ilmiyyah, Beirut, 2001)