Gloucester St Mark, Gloucestershire Genealogy
Gloucester St Mark is an Ecclesiastical Parish in the county of Gloucestershire, created in 1846 from Gloucester St Catherine Ancient Parish, Gloucester St John the Baptist Ancient Parish and Gloucester St Mary de Lode Ancient Parish. Church of Jesus Christ of Latter-day Saints is a non-Church of England denomination located somewhere in Gloucester, but the exact parish has not been identified. 
Birth, marriages and deaths were kept by the government, from July 1837 to the present day. The civil registration article tells more about these records. There are several Internet sites with name lists or indexes. A popular site is FreeBMD.
To find the names of the neighbouring parishes, use England Jurisdictions 1851. In this site, search for the name of the parish, click on the location "pin", click Options and click List contiguous parishes.
Contributor: Include here information for parish registers, Bishop’s Transcripts, non conformist and other types of church records, such as parish chest records. Add the contact information for the office holding the original records. Add links to the Family History Library Catalog showing the film numbers in their collection
Non Conformist Churches
Census records from 1841 to 1911 are available online. For access, see England Census Records and Indexes Online. Census records from 1841 to 1891 are also available on film through a Family History Center or at the Family History Library. The first film number is 288769.
Records of wills, administrations, inventories, indexes, etc. were filed by the court with jurisdiction over this parish. Go to Gloucestershire Probate Records to find the name of the court having primary jurisdiction. Scroll down in the article to the section Court Jurisdictions by Parish.
Maps and Gazetteers
Maps are a visual look at the locations in England. Gazetteers contain brief summaries about a place.
Contributor: add any relevant sites that aren’t mentioned above.