Union County, New Jersey Genealogy
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- 1 County Courthouse
- 2 History
- 3 Places/Localities
- 4 Resources
- 5 Societies and Libraries
- 6 Web Sites
- 7 References
1857, created from Essex County; 1860, received part of Woodbridge twp., Middlesex County as part of Rahway twp.; 1871, Essex County boundary clarified; 1871, Plainfield boundary with Piscataway twp., Middlesex County changed; 1876, boundaries with Essex and Somerset clarified; 1882, Essex County boundary clarified and again in 1892; 1891, part of Millburn twp., Essex County to Springfield twp. and returned in 1958.
Societies and Libraries
- USGenWeb project. May have maps, name indexes, history or other information for this county. Select the state, then the county.
- Family History Library Catalog