Parish records and where to find them
The surviving parish registers for Ayot St Peter date from 1686, and the original registers have been deposited at the county archives at County Hall, Hertford, SG13 8DQ
The archives also hold one of the original Tithe Maps for the parish, dated 1838, and much more information, including census records and photographs Hertfordshire Archives
The original registers from 1686 to around 1900 are indexed and available to view online at the Find My Past website, in the data sets:- Hertfordshire Baptisms , Hertfordshire Banns & Marriages and Hertfordshire Burials.
The census returns for the years 1841, 1851, 1861, 1871, 1881, 1891, 1901 and 1911 are available on several websites, including Find My Past and Ancestry
The 1939 Register is available on Find My Past
The Tithe Apportionment map and index from 1838 are on the website The Genealogist
Although these are all subscription sites they can often be viewed without payment at large libraries and archives
A map of the parish dating from the early 1880s can be viewed at the National Library of Scotland website here National Library of Scotland This is the map Hertfordshire XXVIII which includes Ayot St Peter, Bishops Hatfield, Welwyn and Wheathampstead – surveyed 1878 to 1881 and published 1884.
Hertfordshire Family History Society published a booklet listing all the monumental inscriptions from both churchyards in the 1970s. This is currently being updated and will be available from Hertfordshire Family History Society