Surnames Categorized "nobility"

This is a list of surnames in which the categories include nobility.
Alfero Italian
From the given name Adalfarus.
Aston 2 English
From the Old English given name Æðelstan.
Curtis English
Nickname for a courteous person, derived from Old French curteis meaning "refined, courtly".
Dalí Spanish
From a given name, itself a diminutive of names beginning with the Old German element adal meaning "noble". This was the surname of the Spanish surrealist painter Salvador Dalí (1904-1989).
Fromm German
From a nickname derived from Middle High German vrume meaning "noble, honourable".
Grady Irish
From Irish Ó Gráda or Ó Grádaigh meaning "descendant of Gráda". The byname Gráda means "noble, illustrious".
Hepburn English, Scottish
From northern English place names meaning "high burial mound" in Old English. It was borne by Mary Queen of Scot's infamous third husband, James Hepburn, Earl of Bothwall. Other famous bearers include the actresses Katharine Hepburn (1907-2003) and Audrey Hepburn (1929-1993).
Hou Chinese
From Chinese (hóu) meaning "lord, nobleman".
Joyce English, Irish
From the given name Joyce.
Keith Scottish
From a place name that is probably derived from the Brythonic element cet meaning "wood". This was the surname of a long line of Scottish nobles.
Nemes Hungarian
Means "noble, gentle" in Hungarian.
Ó Maolmhuaidh Irish
Means "descendant of Maolmhuadh", Maolmhuadh being a given name meaning "proud chief", derived from Gaelic maol meaning "chief" and muadh meaning "proud, noble".
Van Aalsburg Dutch
Means "from Aalsburg", which is possibly Adelsburg, composed of adal "noble" and burg "fortress".