Sunan Ibn Majah 1877
سنن ابن ماجه#1877SahihIt was narrated that:Abdullah said: “The Prophet married Aishah when she was seven years old, and consummated the marriage with her when she was nine, and he passed away when she was eighteen.”
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih
In-book reference: 9:33