The first person buried in Al-Bakia was Osman bin MAZ'un, the first of the Muhajirs, who died at Al-Madinah.
"Personal Narrative of a Pilgrimage to Al-Madinah & Meccah"
Sir Richard Francis Burton
Ayishah offered to bury him in her house near the Prophet, but he replied that he did not wish to narrow her abode, and that he had promised to sleep by the side of his friend MAZ'un.
"Personal Narrative of a Pilgrimage to Al-Madinah & Meccah"
Sir Richard Francis Burton