His title is Abdur-Rahman and he belonged to the tribe of Banu Huzail. His mother’s name was Umm-e-Abd. He passed away in 32 AH. His father’s name was Mas‘ud bin Ghafil. Abdullah bin Mas‘ud is counted among the early converts to Islam. He accepted Islam at the same time as the sister of Hazrat Umar (ra), Hazrat Fatima bint Khattab and her husband, Hazrat Sa‘eed bin Zaid.
(Usdul Ghaba, Vol. 4, p. 129, Dar-ul-Kutub Al-ilmiyyah, Beirut)