Roman Catholic Diocese of Sion Roman Catholic Diocese of Sion The Diocese of Sion (, , ) is a Roman Catholic ecclesiastical territory in the canton of Valais, Switzerland. It is the oldest bishopric in the country and one of the oldest north of the Alps. The history of the Bishops of Sion, of the Abbey of St. Maurice of Valais as a whole are inextricably intertwined. The see was established at Octodurum, now called Martigny, the capital of the Roman province of Alpes Poeninae. The first authentically historical bishop was Saint Theodore/Theodolus (died in 391), who was present at the Council of Aquileia in
Sion Mills Research Agency (NISRA) (i.e. with population between 1,000 and 2,250 people). On Census day (29 April 2001) there were 2,050 people living in Sion Mills. Of these: For more details see: NI Neighbourhood Information Service Sion Mills Sion Mills is a village to the south of Strabane in County Tyrone, Northern Ireland, on the River Mourne. In the 2001 Census it had a population of 2,050 people. It is a tree-lined industrial village and designated conservation area, particularly rich in architectural heritage. The village of Sion Mills was established by the Herdman family in 1835. The family operated a linen