Sumayy reported that the Prophet ﷺ said, "Do not combine my name and my kunya, for I am Abu Qasim. Allah gives, and I distribute."
حدثنا يحيى عن ابن عجلان قال سمعت أبي
عن النبي ﷺ قال لا تجمعوا بين اسمي وكنيتي فإني أنا أبو القاسم الله عز وجل يعطي وأنا أقسم
No references are available.
Its isnad is sahih. Ibn Abu Shayba narrated it, 8/484, no. 5979, in the Book of Manners, on combining the Prophet's ﷺ kunya with his name. It reads, "Do not name yourselves with my name and take my kunya as your kunya," and it is found in Sahihayn and elsewhere.