The recording of baptisms, marriages and burials in parish registers began in England and Wales in 1538. The Timsbury Parish Registers are available at a number of locations:
SOMERSET HERITAGE CENTRE
The Heritage Centre holds the actual registers and transcripts:
BATH RECORD OFFICE
Typed transcripts of the registers dating 1561 to 1813 can be found in the Bath Record Office.
FreeREG has transcribed the baptisms, marriage and burial records and these can be searched online. Select Somerset in the County section and then scroll to Timsbury. There are a number of search variables including surname and date range.
The Timsbury records can also be found online at FamilySearch. The FamilySearch website offers free searches of genealogical records including births deaths and marriages. It is operated by The Church of Jesus Christ of Latter-day Saints. The FreeREG site is easier to use as it is possible to select Timsbury in the search box. With FamilySearch, it is only possible to narrow the search to Somerset. So the results will include records from other parishes. However, the FamilySearch does include the earlier records not yet transcribed in FreeREG.