Conversation so far:
Where did James Ussher go to school?
A gifted polyglot, he entered Dublin Free School and then the newly founded (1591) Trinity College, Dublin on 9 January 1594.
Did Ussher go to school in England?
CANNOTANSWER.
What did Ussher do after he received his education?
In May 1602, he was ordained in the Trinity College Chapel as a deacon in the Protestant, established, Church of Ireland.

Question: Did Ussher do anything in the Church of Ireland?
Self-contained rewrite: Did  James Ussher do anything in the Church of Ireland?