Sunan an-Nasa'i 3378
سنن النسائي#3378Sahihأَخْبَرَنَا مُحَمَّدُ بْنُ آدَمَ، عَنْ عَبْدَةَ، عَنْ هِشَامٍ، عَنْ أَبِيهِ، عَنْ عَائِشَةَ، قَالَتْ تَزَوَّجَنِي رَسُولُ اللَّهِ صلى الله عليه وسلم وَأَنَا بِنْتُ سِتٍّ وَدَخَلَ عَلَىَّ وَأَنَا بِنْتُ تِسْعِ سِنِينَ وَكُنْتُ أَلْعَبُ بِالْبَنَاتِ .
It was narrated that 'Aishah said:"The Messenger of Allah married me when I was six, and consummated the marriage with me when I was nine, and I used to play with dolls
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Muslim
In-book reference: 26:183