Hadith 3732
حَدَّثَنَا أَبُو بَكْرٍ، حَدَّثَنَا غُنْدَرٌ، عَنْ شُعْبَةَ، عَنْ عَطَاءِ بْنِ أَبِي مَيْمُونَةَ، قَالَ سَمِعْتُ أَبَا رَافِعٍ، يُحَدِّثُ عَنْ أَبِي هُرَيْرَةَ، أَنَّ زَيْنَبَ، كَانَ اسْمُهَا بَرَّةَ فَقِيلَ لَهَا تُزَكِّي نَفْسَهَا فَسَمَّاهَا رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ زَيْنَبَ .
It was narrated from Abu Hurairah that:
"Zainab used to be called "Barrah" (good), and it was said that she was praising herself. So the Messenger of Allah(ﷺ) changed her name to Zainab."
Reference : Sunan Ibn Majah 3732
In-book reference : Book 33, Hadith 76