It is narrated from Ibrahim Nakha'i (may Allah have mercy on him), he says that Alqamah (may Allah have mercy on him) said: Before I had children, Sayyiduna Abdullah (may Allah be pleased with him) gave me a kunyah (patronymic name).
Hadith Referenceالادب المفرد / كتاب الكنية / 849
Hadith Gradingالألبانی:صحيح
Hadith Takhrij«صحيح : أخرجه ابن أبى شيبة : 26288 و الدولابي فى الكني : 65082»
Explanation & Benefits
Shaykh Maulana Usman Muneeb
Benefits and Issues: From this, it is understood that it is permissible to adopt a kunyah (teknonym) even before the birth of children. It is not necessary that only a person who has children may have a kunyah; rather, a childless person may also adopt a kunyah.
Source: Fadlullah al-Ahad: Urdu Commentary on al-Adab al-Mufrad, Page: 849