Noun
a family name derived from name of your father or a paternal ancestor (especially with an affix (such as -son in English or O'- in Irish) added to the name of your father or a paternal ancestor)
Source: WordNetAlthough surnames are static today, dynamic and changing patronym usage survives in middle names in Greece where the genitive of the father's first name is commonly the middle name. Source: Internet
Although Domnall is generally supposed to have been childless, it has been suggested that Giric was a son of Domnall, reading his patronym as mac Domnaill rather than the commonly supposed mac Dúngail. Source: Internet
Although there were several families bearing the patronym "Eyquem" in Guyenne, his family is thought to have had some degree of Marrano ( Spanish and Portuguese Jewish ) origins. Source: Internet
Gerhardsen passed his own patronym on to his children as a family name. Source: Internet
Qadiriyya was his patronym. Source: Internet
The prefix "Mac" is used to form a patronym, such as "Mac Coinnich" – or the anglicized 'Mackenzie' – son of Coinneach/Kenneth. Source: Internet