With an Irish accent in foreign parts, it is always easy to be misunderstood, and what is written down can be what the (Scottish) listener has thought was said
Trouble here is that I cannot find a Birth in Dublin for an Angliss.
I toyed with it being Inglis ( I remember the Inglis Bakery in Belfast) and that would be pronounced Angliss, but his enite Army record, his marriage and death is based on Angliss.