Parish registers online
126,000 Huntingdonshire baptisms and marriages are included in the IGI at FamilySearch but not all parishes are included (you can see the coverage here).
There are no baptisms or marriages at findmypast, but there are about 38,000 marriages at Ancestry. There are also 241,100 burial entries from the National Burial Index at findmypast. which cover 99 parishes
The volunteers of FreeREG have transcribed some of the registers for about 20 Huntingdonshire parishes. There is currently no OPC project for Huntingdonshire.
Births, marriages and deaths
Registration districts in Huntingdonshire
There are currently NO local indexes of births, marriages and deaths for Huntingdonshire.
Pre-1841 censuses
Alwalton 1811, 1821, Bluntisham 1821, Godmanchester 1821
Also consider....
Reproduced courtesy of Francis Frith.
Key Huntingdonshire resources
The historic county of Huntingdonshire was absorbed into Cambridgeshire in 1974, but most of the resources are still held locally. Huntingdonshire Archives, based in Huntingdon holds registers for parishes within the Archdeaconry of Huntingdon.
Huntingdonshire Family History Society meets in Huntingdon