Allt y Cocyn (Topographic feature).
Grid Reference: SN 46503 18917. Parish: Llangunnor, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Beudy Cocyn (Unclassified).
Grid Reference: SH 83783 41815. Parish: Llanycil, Merionethshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Bryn cocyn House 7c (Field).
Grid Reference: SH 90412 31539. Parish: Llangower, Merionethshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Bryn-cocyn (Unclassified).
Grid Reference: SH 99214 68683. Parish: Llannefydd, Denbighshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Bryn-cocyn (Settlement).
Grid Reference: SH 90275 31544. Parish: Llangower, Merionethshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Bryn-cocyn (Unclassified).
Grid Reference: SH 60075 67800. Parish: Llandygai, Caernarfonshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Cocyn Perthi (Unclassified).
Grid Reference: SH 59296 50493. Parish: Beddgelert, Caernarfonshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Cocyn-newydd (Unclassified).
Grid Reference: SH 51228 86650. Parish: Llanallgo, Anglesey
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Ffridd Cocyn (Unclassified).
Grid Reference: SH 62408 03964. Parish: Tywyn, Merionethshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Tan Cocyn (part) (Field).
Grid Reference: SH 59749 25413. Parish: Llanenddwyn, Merionethshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin