Iserninus

Saint Iserninus is thought to have been a Briton or Irishman, and is associated with the lands of the Uí Cheinnselaig in Leinster.

Iserninus is referred to as a bishop in the Annals of Ulster, and he is recorded as having begun his mission in 439 AD.

[1] According to historian Charles Thomas, "The weight of current opinion is perhaps in favour of associating Secundinus, Auxilius, and Iserninus with Palladius rather than with Patrick.

"[2] A tradition at Aghade, County Carlow, holds that Iserninus founded a church there and was later buried there.

[3] Iserninus is also called the founder of the church at Old Kilcullen, where he was reputedly appointed as bishop by St. Patrick, possibly along with St.