Boy name origins & meanings
- Arabic : Sword of religion
- Arabic : Honest; honorable; noble
Family name origins & meanings
- German and Jewish (Ashkenazic) : metonymic occupational name for a soap maker, from Middle High German seife, German Seife ‘soap’.
- Arabic : from a personal name based on sayf ‘sword’. Saifullah ‘sword of Allah’ was a title of honor bestowed by the Prophet Muhammad on the military leader Khālid ibn-al-Walīd (see Khalid).