a name derived with an affix (such as -son in English or O'- in Irish) from the name of your father or a paternal ancestor
a name derived with an affix (such as -son in English or O''- in Irish) from the name of your father or a paternal ancestor
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)