Bwlch-cefn-lleian (Unclassified).
Grid Reference: SO 01381 72275. Parish: St Harmon, Radnorshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Cae lleian (Field).
Grid Reference: SH 46497 50257. Parish: Llanllyfni, Caernarfonshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Hafodgwenlleian (Field).
Grid Reference: SH 71622 50028. Parish: Dolwyddelan, Caernarfonshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Llan-lleiana (Unclassified).
Grid Reference: SH 38697 94711. Parish: Llanbadrig, Anglesey
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Llan-lleiana Head (Unclassified).
Grid Reference: SH 38783 95205. Parish: Llanbadrig, Anglesey
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Llan-lleiana Sife of,Llan-lleiana (Site of) (Unclassified).
Grid Reference: SH 38664 94948. Parish: Llanbadrig, Anglesey
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Llan-lleian-wen (Unclassified).
Grid Reference: SS 67074 99430. Parish: Swansea, Glamorgan
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Porth Llan-lleiana (Unclassified).
Grid Reference: SH 38579 95128. Parish: ,
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Rough in Buarth Lleian (Field).
Grid Reference: SH 82428 57389. Parish: Llanrwst Rural, Denbighshire
When recorded: 1840. Primary Source: none. Secondary Source: Cynefin

St Lleian's Church (Unclassified).
Grid Reference: SN 56760 13851. Parish: Llanarthne, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website