Where did you find Peter & Mary REYNOLDS in Newnham in Aug 1813?
If you Google, IGI Batch Numbers for Gloucestershire
and click On K for Kinlet, there are at least 4 baptisms for Peter & Mary REYNOLDS at Kinlet
John, born 16 May 1780 and died 19 May 1780
Mary - born 11 August 1783 and christened 29 August 1783
Elizabeth - 13 April 1782
William - 29 October 1778 **
** 1861 Census, Shropshire, Burford
William REYNOLDS - Widr - 82, c1779 - Farmer Retired - born Salop, Kinlet
Ellen PARTRIDGE - Niece - age 42, House Keeper born Salop Corely ?
Maria J PHILPOTS, Visitor, Wid age 58, Landed Proprietor, born Worcester, Ombersley
Blanche E THOMPSON, Visitor, age 5, born Worcester Tenbury - FreeBDM - March Qtr 1856-Tenbury
1851 Census, Shropshire, Boraston
Wm REYNOLDS, age 71 - Farmer of 150 acres, born Shropshire, Kinlet
Rachel REYNOLDS - age 71, born Salop, Burford
+ 3 servants
1841 Census, Shropshire, Burford
Nash (Corner?)
William REYNOLDS, age 60 - not born in County
Rachel REYNOLDS - age 60 - born in County
On FreeReg
Kinlet, Shropshire
St John the Baptists
Robert ROBINSON married Elizabeth WEBB - 5 February 1782, Peter REYNOLDS, was one of the witnesses + the baptisms of the above children are on FreeReg