Bishop of diocese of new castle

You're referring to the Catholic Diocese of Newcastle!

The current Bishop of the Diocese of Newcastle is Bishop Robert Byrne. He was appointed as the 7th Bishop of Newcastle on September 12, 2017, and was installed on November 14, 2017.

Here's a brief bio:

Under Bishop Byrne's leadership, the Diocese of Newcastle has continued to serve the Catholic community in northeast England, with a focus on evangelization, catechesis, and social justice.