Sussex Church Records

Births/Baptisms

 * 1530-1980 England & Wales, Christening Index, 1530-1980 at Ancestry - index ($)
 * Formerly known as British Isles Vital Records Index - 2nd Ed. - Coverage
 * 1538-1812 West Sussex, England, Church of England Baptisms, Marriages and Burials, 1538-1812 at Ancestry - index & images ($)
 * 1813-1920 West Sussex, England, Church of England Births and Baptisms, 1813-1920 at Ancestry - index & images ($)
 * 1813-1920 East Sussex, England, Church of England Births and Baptisms, 1813-1920 at Ancestry - index & images ($)

Confirmations

 * 1813-1927 East Sussex, England, Church of England Confirmations, 1813-1927 at Ancestry - index & images ($)

Marriages

 * 1538-1812 West Sussex, England, Church of England Baptisms, Marriages and Burials, 1538-1812 at Ancestry - index & images ($)
 * 1538-1988 England & Wales Marriages, 1538-1988 at Ancestry - index ($)
 * Formerly known as British Isles Vital Records Index - 2nd Ed. Coverage
 * 1586-1643 - Calendar of Sussex Marriage Licences, Archdeaconry of Lewes, 1586-1642/3 (1901). Digitized by Google Books - free.
 * 1575-1774 - Boyd's Marriage Index (£) includes Archdeaconry of Chichester marriage licences (1575-1774), Archdeaconry of Lewes marriage licences (1586-1728), and Peculiar Deanery of Chichester marriage licences (1582-1730).
 * 1731-1800 - Calendar of Sussex Marriage Licences, Archdeaconry of Chichester, 1775-1800; Index to 1731-1800 (1929) at FamilySearch Catalog (*).
 * Vol. 1, Vol. 6, Vol. 9, Vol. 12, Vol. 25, Vol. 26, Vol. 32, Vol. 35
 * 1754-1936 East Sussex, England, Church of England Marriages and Banns, 1754-1936 at Ancestry - index & images ($)
 * 1754-1936 West Sussex, England, Church of England Marriages and Banns, 1754-1936 at Ancestry - index & images ($)

Deaths/Burials

 * 1538-1812 West Sussex, England, Church of England Baptisms, Marriages and Burials, 1538-1812 at Ancestry - index & images ($)
 * 1813-1995 East Sussex, England, Church of England Deaths and Burials, 1813-1995 at Ancestry - index & images ($)
 * 1813-1995 West Sussex, England, Church of England Deaths and Burials, 1813-1995 at Ancestry - index & images ($)
 * National Burial Index for England & Wales at Findmypast - index ($)

Parish Registers
Many of Sussex county baptism, marriage, and burial records for various parishes in Sussex have been digitized and made searchable via Family History Centers. You can access them via the use of the FamilySearch Catalog.

Numerous of these church registers are now indexed and made available online on their website for free searches. (Also see the Sussex Online Parish Clerks wiki page.). See the Church Records Online section for what's available for searches online overall.

Church Records Online
1) The Genealogist has approximately 4 million searchable christening, marriages and burials entries currently. (13Feb19)

2) FamilySearch.org has 5.7 million searchable entries of christening, marriages and burials for Sussex. (13Feb19)

3) Sussex Online Parish Clerks - has indexed parish registers for a portion of the county.