If you prefer adjectives:
[INDENT]Airy, Best, Brown, Cross, Dicey, Green, Lax, Main, Moody, Savage, Welsh, White[/INDENT]
or homophones of adjectives:
[INDENT]Greene, Manley, Massey, Stirling, Wright[/INDENT]
or surnames that have appeared more than once, perhaps as homophones:
[INDENT]Austin, Austin, Austen
Ellis, Ellice
Green, Greene
Hobson, Hobson
Hudson, Hudson
Parkinson, Parkinson[/INDENT]
You're up against the odds if your surname is double-barrelled:
[INDENT]Nash-Williams, Shaw-Lefevre[/INDENT]
Short surnames:
[INDENT]Gee, Law, Lax, Liu, Mee, Orr[/INDENT]
[INDENT]Adie, Airy, Beck, Bell, Best, Budd, Flux, Hung, Iles, Lord, Kaye, King, Main, Owen, Pell, Tait, Ward, Webb, Wood[/INDENT]
Natural features:
[INDENT]Beck, Berry, Budd, Heath, Littlewood[/INDENT]