Dafydd merkilegu heiti: Örlátur, Vingjarnlegur, Alvarlegt, Rokgjarnt, Skapandi. Fá Dafydd merking nafns.
Dafydd Uppruni fornafns. Welsh form of David. This name was borne by Dafydd ap Gruffydd, a 13th-century Welsh ruler, and Dafydd ap Gwilym, a 14th-century poet. Fá Dafydd Uppruni fornafns.
Dafydd nafn diminutives: Dai, Taffy. Fá Gælunöfn fyrir Dafydd.
Samheiti fyrir Dafydd í mismunandi löndum og tungumálum: Dávid, Dáibhí, Dàibhidh, Daividh, Daud, Dauid, Dave, Daveth, Davey, Davi, David, Davide, Davie, Davit, Daviti, Davud, Davy, Daw, Dawid, Dawood, Dawud, Dovid, Dovydas, Dudel, Taavet, Taavetti, Taavi. Fá Dafydd á öðrum tungumálum.
Algengustu nöfnin með eftirnafninu Happy: Harpreet Singh, David, Dávid. Fá Nöfn sem fara með Happy.