Churches typically provide a rich source of information for people tracing their family history. The clues to genealogy from birth, marriage and funeral registers, and from the gravestones themselves is a good start to any research. Only the most current registers are kept in the church safe, however. Older records are passed to the Hertfordshire Record Office both for safe-keeping and because they are able to preserve them in a controlled environment. (Note that the churchyard is full and closed for burials. Apart from recent burials of ashes, there have been no burials here since 1882).
However, the following documents and pages may be of help to you: