The county of Clwyd is comprised of the pre-1974 counties of Flint and Denbigh. These three volumes contain only the parishes of Denbighshire.

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 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 Llansannan comprised the seventeen townships of Archwedlog, Arllwyd, Beidiog, Caledan, Chwibren or Chwilbren, Deunant, Grugor, Hendrenenig or Hendrenynnid, Hesgyn, Llan, Llysaled, Penaled or Pennantaled, Penglogor, Postyn, Rhydeidion, Treflech or Llech Talhaearn and Tre'r Fforest. In 1855 the township of Grugor and parts of the townships of Archwedlog...

The county of Powys comprises the pre-1974 counties of Montgomery, Radnor, and Brecon. "The ancient parish of Carno comprised the four townships of Derlwyn, Llysyn, Trawsgoed and Ysgor Fawr. The marriages in this list are confined to those celebrated at the parish church of Carno.".

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 Gwynedd is comprised of the pre-1974 counties of Anglesey, Carnarvon, and Merioneth. "The ancient parish of Llanfaelog contained the three townships of Conysiog Lan, Conysiog Lys and Penconysiog or Pencaernisiog. The parish was formerly under the parish of Llanbeulan. The marriages in this list are confined to those celebrated at the parish church of Llanfaelog.".

The county of Gwynedd is comprised of the pre-1974 counties of Anglesey, Carnarvon, and Merioneth. "The ancient parish of Llangwyfan contained the one township of Rhosmor. The parish of Llangwyfan was formerly under the parish of Trefdraeth. The marriages in this list are confined to those celebrated at the parish church of Llangwyfan.".

The county of Gwynedd comprises the pre-1974 counties of Anglesey, Caernarvon, and Merioneth. "The ancient parish of Llanbeblig comprised the four townships of Bontnewydd, Castellmai, Rhuddallt and Treflan. The townships of Castellmai, Rhuddallt and Treflan were lost to the new parish of Waunfawr in 1881. The marriages in this list are confined to those celebrated at the parish church Llanbeblig.".

The county of Powys comprises the pre-1974 counties of Montgomery, Radnor, and Brecon. "The parish of Pontrobert was formed on 13th September 1854 comprising the township of Teirtref and part of the township of Nantymeichiaid out of the parish of Meifod, part of the township of Cynhinfa out of the parish of Llangynyw and parts of the townships of Cadwnfa, Farchwel and Llaethfwlch from the parish of Llanfihangel yng Ngwynfa. The marriages in this...