Transferred use of the surname
1) From a place name, Old English denu, Middle English dene = 'valley' 
For female forms see Deanna
|Female ♀||Male ♂|
|#: count of main first name only|
|&: count of both main and additional first names|
| Name counts are approximate as statistics normally is not published
for names given to less than 3 or 5 persons per country.