Complex sentence: As Vicar Forane for the Deanery, Mgr. Fitzpatrick did much of the work of developing the church in north Dublin and Fingal, with massive new housing needing churches and schools, and played the same role in expanded form as Vicar General of the Diocese from 1961.
Split into simpler sentences: As Vicar Forane for the Deanery, did much of the work of developing the church in north Dublin and Fingal, with massive new housing needing churches and schools. Played same role in expanded form as Vicar General of the Diocese from 1961.