Oberbalm - Evangelisch-Reformierte Kirche 1549-1875

Oberbipp - Evangelisch-Reformierte Kirche 1528-1935

Oberburg - Evangelisch-Reformierte Kirche 1551-1875

Oberdiessbach - Evangelisch-Reformierte Kirche 1587-1876

Oberhofen - recorded in Hilterfingen Church Book

Oberlangenegg - recorded in Schwarzenegg bei Thun Church Book

Oberönz - recorded in Herzogenbuchsee Church Book

Oberösch - recorded in Kirchberg Church Book

Oberried am Brienzersee - recorded in Brienz Church Book

Obersteckholz - recorded in Lotzwil Church Book

Oberstocken - recorded in Reutigen Church Book

Oberthal - recorded in Grosshöchstetten Church Book

Oberwichtrach - Recorded in Wichtrach Church Book

Oberwil by Büren - Evangelisch-Reformierte Kirche 1579-1875

Oberwil im Simmental - Evangelisch-Reformierte Kirche 1550-1875

Ochlenberg - recorded in Herzogenbuchsee Church Book

Oeschenbach -recorded in Ursenbach Church Book

Oppligen - Recorded in Wichtrach Church Book

Orvin - Eglise réformée 1671-1875

Orvin - Actes de notaire 1668-1736, 1677-1708, 1697-1700, 1704-1714 & 1782-1817

Otterbach - recorded in Kurzenberg Church Book

Ottiswil - recorded in Affolterm im Emmental Church Book