At Sirmium in Pannonia, passion of Ireneo, Bishop and martyr, who in time of Emperor Maximiano, and under the prefect Probus, was tormented and then locked up in jail, being finally beheaded (s. IV).
Saints Irenaeus and Mustiola, Chiusi (Italy)
In Cologne, the Lotharingia, saint Irmgarda, Countess of Süchteln, who used their property in the construction of Churches (c. 1089).