Sahih al-Bukhari 6186
صحيح البخاري#6186SahihNarrated Jabir:A boy was born for a man among us, and the man named him Al-Qasim. We said to him, "We will not call you Abu-l-Qasim, nor will we respect you for that." The Prophet (ﷺ) was informed about that, and he said, "Name your son `Abdur-Rahman
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 78:210