[Nant] Cyrnach (Topographic feature).
Grid Reference: SN 71365 00573. Parish: Ynys-y-mond, Glamorgan
When recorded: 1699. Primary Source: Parochialia 3. Secondary Source: none

Aber-Cyrnog (Unclassified).
Grid Reference: SN 90419 37183. Parish: Llandeilo'r-Fan, Brecknockshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Allt Tre-cyrn (Topographic feature).
Grid Reference: SN 25145 26514. Parish: Llanwinio, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Blaen-Cyrnog (Settlement).
Grid Reference: SN 90500 39885. Parish: Llandeilo'r-Fan, Brecknockshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Bryn cyrney Homestead (Field).
Grid Reference: SN 42200 17743. Parish: Llandyfaelog, Carmarthenshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Bryn-cyrnau (Settlement).
Grid Reference: SN 43254 17431. Parish: Llangunnor, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Bryn-cyrnau-ganol (Settlement).
Grid Reference: SN 43024 17496. Parish: Llangunnor, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Cae bach and cae'r cyrneddog isa (Field).
Grid Reference: SH 58699 28639. Parish: Llanfair, Merionethshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Cae cyrnddor (Field).
Grid Reference: SH 96604 40346. Parish: Llanfor, Merionethshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Cae cyrneddog ucha (Field).
Grid Reference: SH 58749 28702. Parish: Llanfair, Merionethshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin