Aḥmad ibn Ḥanbal said, “A righteous man, reliable.” (1)
Ibn Maʿīn said, “Reliable.” (2)
Aḥmad al-ʿIjlī said, “Reliable, firmly grounded in ḥadith.” (3)
Abū Ḥātim said, “Truthful, though Yaḥyā ibn Saʿīd was not pleased with him.” (4)
I say: Yaḥyā ibn Saʿīd was notoriously exacting with narrators; otherwise, ʿUthmān ibn ʿUmar is trustworthy and there is no flaw to reproach him with.
ʿAmr ibn ʿAlī said: He died on the twenty-third of Rabīʿ al-Awwal, 209 AH. (5)
Yaḥyā ibn Ḥakīm said: He passed away with eight days remaining of Rabīʿ al-Awwal, in the same year.
Abū Umayyah al-Ṭarassūsī said: He died in 208, (6) and he was mistaken.
Khalīfah said: In 207, and he misread the number.
Shaykh al-Islām Shams al-Dīn ʿAbd al-Raḥmān ibn Qudāmah informed us by ijāzah; ʿUmar ibn Muḥammad informed us; Hibat Allāh ibn Muḥammad informed us; Muḥammad ibn Ghailān informed us; Abū Bakr al-Shāfiʿī narrated to us; Muḥammad ibn Yūnus narrated to us; ʿUthmān ibn ʿUmar narrated to us; Aflah narrated from al-Qāsim, from ʿĀʾishah:
that the Messenger of Allah ﷺ mentioned