Links to the items listed below were recently added to: Online Birth and Marriage Records Indexes or its supplementary state webpages.
Alabama
- Madison County Marriage License Index 1809-Feb 1973 (update: more years added)
Delaware
- Delaware State Birth Records, 1861-1908 from FamilySearch Labs (not yet complete)
Hawaii
- Hawaii State Archives Genealogy Indexes (includes some marriage indexes)
Indiana
- Indiana Marriage Records Index 1811-1959 from FamilySearch Labs; presently includes Adams, Blackford, Decatur, Franklin, Henry, Huntington, Owen, Rush, and Sullivan counties (coverage may vary by county)
- Montgomery County Marriage Records Index (includes PDF images of the records)
- Shelby County Birth and Marriage Indexes
See: Online Indiana Vital Records Indexes for Birth, Marriage & Death Records
Kansas
- Kansas Marriage Index, 1854-1861 (not complete)
Louisiana
- Orleans Parish Birth Records Index -- for births over 100 years ago
- Orleans Parish Marriage Records Index -- for marriages over 50 years ago
Maryland
- Washington County Marriages Index 1861-1949, 1950-2007
Michigan
- Michigan Birth Records 1867-1902 and Michigan Marriages 1868-1925 at FamilySearch Labs
- Clinton County Genealogy Records Indexes -- includes newspaper indexes for births to 1900, marriages 1863-1940
Nebraska
- Sarpy County Marriage License Search 1987-present
New Jersey
- Monmouth County Marriage Index 1790-1890
New York
- New York City Birth Records Index 1901-1907
- Nassau County Marriage Index 1908-1936
See: New York Vital Records Indexes & Genealogy Records on the Internet
Pennsylvania
- Philadelphia Marriage Indexes 1885-1951 from FamilySearch Labs
- Westmoreland County Marriage License Search 1885-present
South Carolina
- Greenville County Marriage License Index
Tennessee
- Hamilton County Marriage License Index Search (includes Chattanooga) presently covers 1857-1919 and 1985-2008
Texas
- Colorado County Marriage Records Index 1837-1886
- El Paso County Marriage Records Search 1963-current (also has birth & death records searches)
- Liberty County Birth, Marriage and Death Index
See: Online Texas Vital Records Indexes
See: Online Birth and Marriage Records Indexes