The 14 surnames begin with SO
SOHM
(1)
SOHN
(1)
SOLDANI
(3)
SOLIGNAC
(1)
SOMMER
(2)
SONNIC
(3)
SONNTAG
(1)
SONOY
(2)
SORDOILLET
(1)
SORGIUS
(1)
SOUFI
(1)
SOULE
(1)
SOUPERVIE
(5)
SOUPERVIELLE
(7)