The 16 surnames begin with LO

LOBSTEIN (2)
LODDé (5)
LOMBARD (1)
LOPES (2)
LOPEZ SIERRA (1)
LOPEZ-RIOBOO SASTRE (1)
LORENTZ (12)
LOS (4)
LOSSON (3)
LOUBAUD (2)
LOUMPRE (6)
LOUSTALET (1)
LOUSTALOT (77)
LOUSTAU (3)
LOYSON (1)
LOZET (3)