Coed Pant cellin (Field).
Grid Reference: SO 07452 42845. Parish: Crickadarn, Brecknockshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Cum Pencelli Cuttage (Settlement).
Grid Reference: SN 12790 40365. Parish: Eglwyswrw, Pembrokeshire
When recorded: 1841. Primary Source: Tithe Awards, Schedules and Maps. Secondary Source: Place-Names of Pembrokeshire

Cwm celli (Field).
Grid Reference: SH 79025 10048. Parish: Tal-y-llyn, Merionethshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Cwm Celli (Unclassified).
Grid Reference: SH 78869 09802. Parish: Tal-y-llyn, Merionethshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Cwm Pencelli cottage & garden (Field).
Grid Reference: SN 12790 40366. Parish: Eglwyswrw, Pembrokeshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Cwm-celli (Unclassified).
Grid Reference: SH 79023 10059. Parish: Tal-y-llyn, Merionethshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Cwm-celli-fâch (Settlement).
Grid Reference: SN 54943 27012. Parish: Llanfynydd, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Cwm-celli-fawr (Settlement).
Grid Reference: SN 55073 27073. Parish: Llanfynydd, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Cwm-celli-uchaf (Settlement).
Grid Reference: SN 54901 27543. Parish: Llanfynydd, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Ffridd Cwm-celli (Unclassified).
Grid Reference: SH 78770 10352. Parish: Tal-y-llyn, Merionethshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website