Bryn Mynachdy (Unclassified).
Grid Reference: SH 22979 31811. Parish: Botwnnog, Caernarfonshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Coed Mynachdy (Topographic feature).
Grid Reference: SN 61323 21900. Parish: Llandyfeisant, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Coed Mynachdy (Unclassified).
Grid Reference: SN 79213 95275. Parish: Penegoes, Montgomeryshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Coed Mynachdy (Unclassified).
Grid Reference: ST 04670 95178. Parish: Llanwonno, Glamorgan
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Felin Mynachdy (Unclassified).
Grid Reference: SN 50950 22516. Parish: Llanegwad, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Gader Mynachdy,Gader Mynochdy (Unclassified).
Grid Reference: SH 29788 93024. Parish: Llanfairynghornwy, Anglesey
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Mynachdy (Field).
Grid Reference: SH 30495 92467. Parish: Llanfairynghornwy, Anglesey
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Mynachdy (Unclassified).
Grid Reference: SH 23453 31859. Parish: Botwnnog, Caernarfonshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Mynachdy (Unclassified).
Grid Reference: SH 23677 38023. Parish: Tudweiliog, Caernarfonshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Mynachdy (Settlement).
Grid Reference: SN 50657 22883. Parish: Llanegwad, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website