The following Parish Registers have been deposited at the Denbighshire Record Office, Ruthin.
They may be viewed on microfilm at the Denbighshire and Flintshire Record Offices, at the A.N. Palmer Library, Wrexham, and at the National Library of Wales, Aberystwyth.
These microfilms are not available elsewhere.
1853 - 1906
1854 - 1930
1853 - 1920
There are no Bishop's Transcripts for St. John's, Rhosllanerchrugog.
There are no official I.G.I. entries for St. John's, Rhosllanerchrugog.