The county of Gwynedd comprises the pre-1974 counties of Anglesey, Caernarvon, and Merioneth. These two volumes contain only the parishes of Caernarvonshire.

The county of Gwynedd is comprised of the pre-1974 counties of Anglesey, Carnarvon, and Merioneth. These two volumes contain only the parishes of Anglesey.

The county of Clwyd comprises the pre-1974 counties of Denbigh and Flint. These two volumes contain only the parishes of Flintshire.

The county of Gwynedd comprises the pre-1974 counties of Anglesey, Caernarvon, and Merioneth. "The ancient parish of Y Rhiw was not divided into townships. The marriages in this list are confined to those celebrated at the parish church of Y Rhiw.".

The county of Clwyd comprises the pre-1974 counties of Flint and Denbigh. "The ancient parish of Llanelidan comprised the eight townships of Bryncymau, Bodliwydd, Caerddinen, Caerfilo Garthyneuadd, Llan, Nanclwyd and Trewyn. The township of Bodliwydd has long been part of Llandegla parish. Marriages in this list are confined to those celebrated at the parish church of Llanelidan.".

The county of Clwyd comprises the pre-1974 counties of Flint and Denbigh. "The parish of Gyffylliog was formed on 26th January 1874 out of the ancient parish of Llanynys and comprised the townships of Bontuchel, Ffriddoedd, Trefor or Cefntrefor, Treganol or Fachlwyd and Tre'r Parc. It had long functioned fully as a parish. Marriages in this list are confined to those celebrated at the parish church of Gyffylliog.".

The county of Clwyd comprises the pre-1974 counties of Denbigh and Flint. "Worthenbury is an ancient parish in Maelor Saesneg and has no subdivisions. Marriages in this list are confined to those celebrated at the parish church Worthenbury.".

Variant spelling: Dymeirchion. The county of Clwyd comprises the pre-1974 counties of Denbigh and Flint. "The ancient parish of Tremeirchion consists of the five townships of Bachegraig, Bryngwyn Esgob, Graig or Tre'r Graig, Llan or Tre'r Llan and Maenefa. The name of the parish is also seen as Dymeirchion and Dinmeirchion. Marriages in this list are confined to those celebrated at the parish church of Tremeirchion.".

The county of Gwynedd is comprised of the pre-1974 counties of Anglesey, Carnarvon, and Merioneth. "The ancient parish of Llangaffo contained the six townships of Dinam, Rhandirgadog, Treban Pyll or Tre Feibion Pyll, Treferwydd, Trefioseth and Tregarwed. The parish was also known as Merthyr Caffo and was formerly under the parish of Llangeinwen. The marriages in this list are confined to those celebrated at the parish church of Llangaffo.".

The county of Powys comprises the pre-1974 counties of Montgomery, Radnor, and Brecon. "Dolfor was a chapel of ease in the ancient parish of Kerry from 1851. The parish of Dolfor was formed in 1876 comprising the townships of Dolfor, Gartheilin, Graig and Wig and part of the township of Gwernesgob all out of the parish of Kerry. The marriages in this list are confined to those celebrated at the parish church of Dolfor.".