His early life and training are obscure, but he appears to have studied in Gaul at the school of St. Germanus.
According to John Francis Shearman, in 438, six years after Patrick left for Ireland, Germanus sent Auxilius and Iserninus to assist him.
[5] The first documentary evidence that exists is an entry in the Irish Annals recording the arrival of St. Sechnall and his brother St. Auxilius "to help St.
This would suggest that he had some special eminence or authority among the bishops, for the laws made there would have been binding on the whole Irish church at the time.
In the Martyrology of Tallaght it is 19 March but in the Annals of the Four Masters, the text gives 27 August as the day of Auxilius' death.