Osella Magdalena OLSEN (22 JAN 1829 - ____)
Oskar OLSEN (____ - ____)
Oskar OLSEN (ABT 1884 - ____)
Oskar OLSEN (1890 - ____)
Oskar OLSEN (3 MAR 1905 - ____)
Oskar Ditlef Serenius OLSEN (1892 - 1892)
Oskar Eng OLSEN (14 OKT 1895 - ____)
Oskar Eng Theodor OLSEN (5 JUL 1893 - 24 APR 1894)
Oskar Johan OLSEN (18 MAI 1901 - ____)
Oskar Johan Edvin OLSEN (1891 - ____)
Oskar Jolin OLSEN (25 APR 1909 - ____)
Oskar Marinius Jentoft OLSEN (4 APR 1905 - ____)
Oskar Sigvard OLSEN (3 MAI 1898 - ____)
Osvald Kristoffer OLSEN (5 AUG 1890 - 27 NOV 1931)
Osvald Olai OLSEN (____ - ____)
Otelia Rebekke OLSEN (1895 - ____)
Otelie Amanda OLSEN (26 JAN 1877 - ____)
Othilie OLSEN (1855 - 1881)
Ottar OLSEN (____ - ____)
Ottar Birting OLSEN (____ - ____)
Ottar Ingolf OLSEN (19 OKT 1889 - 9 MAI 1968)
Ottar Nergård OLSEN (1902 - ____)
Ottar Sjøberg OLSEN (29 MAR 1918 - 10 OKT 2006)
OPP (Martinus OLSEN - Peter Berg OLSEN )
TILBAKE (Olive Anette OLSEN - Oscar Leander OLSEN )
NESTE (Ottar Theodor OLSEN - Paul Emil OLSEN )