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).

synonym: patronym.

Roget 564: nomenclature; naming etc. v.; nuncupation^†, nomination, baptism; orismology^†; onomatopoeia; antonomasia^†.    name; appelation^†, appelative^†; designation, title; heading, rubric; caption; denomination; by-name, epithet.    style, proper name; praenomen [Lat.], agnomen^†, cognomen; patronymic, surname; cognomination^†; eponym; compellation^†, description, antonym; empty title, empty name; handle to one's name; namesake.    term, expression, noun; byword; convertible terms etc. 522; technical term; cant etc. 563.    ... show more

Of or derived from a personal or family name.

Polish: odojcowski, patronimiczny