The parish of St Merryn was originally in the St Columb Registration District. There were sub-districts at Newlyn, Padstow and St Columb Major, but these have now been abolished. It is now in the Bodmin Registration District. Parishes within the old St Columb district were: Colan, Crantock, Cubert, Little Petherick, Mawgan-in-Pydar, Newlyn, Newquay, Padstow, St. Breock, St. Columb Major, St. Columb Minor, St. Enoder, St. Ervan, St. Eval, St. Issey, St. Merryn, St. Wenn.
The Superintendant Registrar of Bodmin can be contacted at: Lyndhurst, 66 Nicholas Street, Bodmin, Cornwall, PL31 2AG. Tel: 01208 73677.