The Parish Registers for the periods: -
- Baptisms - 1559-1964
- Marriages - 1559-1968
- Burials - 1559-1679 & 1713-1943
- Bishop's Transcripts - 1604-1869
are deposited at Hertfordshire Record Office, County Hall, Hertford, SG13 8DE. [D/P3]
Entries from the Marriage Registers for the period 1559-1837 are included in The Allen Index at Hertfordshire Record Office.
The period 1559-1827 is covered by the IGI.
Transcripts of the parish registers for the period 1559-1659 and 1660-1812 are held at HALS.
Transcripts of the parish registers for the period 1559-1895 are deposited at the Society of Genealogists, 14 Charterhouse Buildings, Goswell Road, LONDON, EC1M 7BA.
The following records for churches in the ancient parish of Aldenham are also available at Hertfordshire Record Office, County Hall, Hertford, SG13 8DE.:-
- Radlett - [D/P3A]
- Baptisms - 1864-1964
- Marriages - 1866-1974
- Burials - 1887-1943
- Biship's Transcripts - 1864