CD Glamorgan Baptism Index (1569-1837) does not list any Eliz. Richard(s) from Pentrych.
She was from St. Mary Hill, Wales (PM-48)
Llanilid parish Register (booklet): No baptism found. (PM-308)
Search of Pentyrch parish Bishops Transcripts for Elizabeth Edmunds 1760 to 1776: Not found. (PM-315)
Was she the one who died in 1856 at age 91 (born in 1761)? PM-154
10 Mar 1794 St Mary Hill parish marriage: Henry Edmond, Batchelor of this parish and Elizabeth Richard, of this parish, Spinster. Signed by Henry Edmund and mark of Elizabeth Richard. Witnessed by the mark of Evan Richard and the mark of Margaret Jenkin. (PM-385.3 (scan))
14 Dec 1796 St Mary Hill parish marriage: Richard Bassett, Batchelor of this parish and Elizabeth Edmunds, of this parish, Widow. Signed by Richard Bassett and mark of Elizabeth. Witnessed by Charles Bassett, the mark of Ann David and signature of William Williams. (PM-48 & PM-154 & PM-385.2 (scan))
St Mary Hill Burial record for Elizabeth Bassett, 19 Oct 1856; Address: St Mary Hill; shows her age as 95. (PM-194.21)
1856 Death Registration: 16 Oct 1856 Llanilid (sub-dist. Maesteg, Dist. Bridgend & Cowbridge) Elizabeth Bassett, aged 95 yrs, Widow of Richard Bassett an Agricultural Attendant. Informant: The Mark of Daniel Bassett, Present at the Death Llanilid. (PM-277)
St Mary Hill Monumental Inscriptions: Not listed. (PM-289.4)
Note: A search of Llandaff Diocese Wills for any Edmond(s) or Edmund(s) for St Mary Hill or Pentrych revealed 3:
LL 1796/104 Edmond Edmond of St Mary Hill
LL 1832/113 Edmund Edmund of Pentrych
LL 1832/114 Rachel Edmund Widow of Pentrych but none of these mentioned a daughter Elizabeth or any BASSETT Connection.