(SIHNAH or SEHANENSIS).
A Chaldean see, governed by a patriarchal administrator with episcopal rank. It was erected in 1853, its subjects being partly in Persia and partly in Turkey at Suleimanieh. It is likely to be united to the See of Kerkuk. The diocese was in fact administered by the Archbishop of Kerkuk about the middle of the nineteenth century. It contains 700 Catholics 5 priests, 2 primary schools, and 2 chapels. Sehna or Sinna, the principal town, is in Persia.
Revue de l'Orient Chretien, I, 452; Miss. Cath. (Rome, 1907), 874.