Ooh, this is perfect! I go to school with tons of people who fit this category!
I’d say the number one rule is that they love showing off family connections. If the mother comes from a wealthy family, she may want to insert her maiden name in there somewhere. (Not that this is a snobby thing to do, people! Please don’t get mad at me! It’s just something I see regularly!)
Also, lots of them have really odd nicknames. [name]Chip[/name]? Cowboy? Peanut? Coker? (Actually, the last one is just the kids real name.) And they go by this stuff exclusively–it’s what teachers call them, friends, family.
They love the old names and anything worn by monarchs. [name]George[/name], [name]Caroline[/name] (there are 4 in my grade of 103 total alone! And every grade has a ton! It’s the “it” name), [name]Isabella[/name], [name]Margaret[/name], [name]Henry[/name], [name]Sophie[/name]/[name]Sophia[/name], [name]John[/name], [name]James[/name], [name]Mary[/name] or [name]Mary[/name] Anything ([name]Grace[/name], [name]Morgan[/name], etc. There are SO MANY of these double-barrelled [name]Marys[/name]), Elizabeths galore, [name]Roberts[/name] everywhere, more Annas than we know what to do with, [name]Amelia[/name], [name]Katherine[/name]/[name]Catherine[/name], [name]Alexander[/name], [name]Thomas[/name]. There are many Audreys, Sams (all short for [name]Samuel[/name], of course), [name]Wills[/name] (for [name]William[/name]), Helens/Helenas/Leonoras, Josephines, Elliots, plenty of Graces (and other virtue names, like [name]Patience[/name] and [name]Faith[/name]). You’ve got Sebastians, Maximilianos (really), [name]Lily[/name]/Lillians, Claibornes, Francescas nn [name]Fanny[/name], Spauldings, Sloanes, Margots, Patricks, even a [name]Sybil[/name].
Sometimes they like names that show off how well-read they are, like [name]Tennyson[/name] or [name]Byron[/name]. (Or [name]HAMLET[/name]! No joke, a guy in my grade is named [name]HAMLET[/name]! And he’s the third consecutive [name]Hamlet[/name] in his family.)
Lots of people go by their middle names, because their first names are [name]Barbara[/name] or [name]Sharon[/name], given so to recognize a wealthy relative.
Here are some of the last names that I found that might fit the bill: Eades, Hollingsworth, Hixon, McNab, Beckelhymer, Beckendorf, Rosenbloom, [name]Locke[/name], Berridge, LeFlore, Westmoreland, Kelleher, Northington, LeSaux, Mirabent, Pentland, Altree, [name]Clement[/name], Pickering, Prichard, Viroslav, McElvany, Greenwood, Cusenbary, [name]Archer[/name], [name]Armstrong[/name], [name]Mannix[/name], [name]Larkin[/name], Blackstone, Agather, Allgood, Calvert, [name]Hancock[/name], Lattimore, Greenwalt, [name]Morrison[/name], Yarborough, [name]Sailor[/name]-Tynes (double-barrelled is great!), Kellogg, Schwartz, McIntosh, [name]Elder[/name], Bonacci, [name]Barnes[/name], Bousquet, Cavender, Halliday, [name]Thornton[/name], Tremblay, Middlebrook, Rapanatti.
*My mom gives the advice of using the name Pickett. To her, this epitomizes the rich and snobby.
Good luck with your character naming!