Most records are in local custody.
Originals are in local custody but microfilm copies, except those from Dublin Diocese are on film at the National Library of Ireland, Kildare Street, Dublin, Eire. The Family History Library has or is obtaining copies of these records. Generally begin about 1800 and all are extant. Originals mostly in local custody with some of the very early ones at the Presbyterian Historical Society, Church House, Fisherwick Place, Belfast, Northern Ireland. Addresses of ministers may be obtained from this organization.