The Sussex Parish Registers span from 1538 to 1995, and are now available to browse on Ancestry.
It displays 6.5 million records of baptisms, deaths, marriages and burials in the county.
The register includes detail of the first documented marriage between a trans man and a woman in the UK; Victor Barker, born Lillias Irma Valerie Barker, met wife Elfirda Haward, and married at St Peter’s church, Brighton, in 1923.
You can read more in an article written by Zac Sherratt and published in The Argus web site at: https://www.theargus.co.uk/news/20175189.records-sussex-people/.