"Pembrokeshire Burials Transcription", database, Findmypast(http://findmypast.co.uk : accessed 24 February 2018), entry for Mary James burial date 6 Apr 1851 in Llanfairnantygof; citing Welsh Archive Services

Text from source:

Burials in the Parish of llanfairnantygof in the County of Pembroke in the year 1851
Name Abode When buried Age By whom the ceremony was performed
Mary James Trecwn Mill 6 Apr 1851 79