“إذا سميتم بي فلا تكنوا بي”
(ت) عن جابر.
431 – It is reported that Jabir, may Allah be pleased with him, said that the Messenger of Allah (peace and blessings of Allaah be upon him) said:
” When you name yourself after me, then do not use my Kunyah.”
 i.e. Rasool-ul-Allah (messenger of Allah).
Note: This hadith makes it permissible to name children by the name ‘Muhammad’ or ‘Ahmad’.
This hadith was narrated by at-Tirmidhi 2842.
Sheikh al-Albani called the hadith authentic. See Saheeh al-jami ‘as-saghir 431.