Alexander County Illinois Genealogy and History
County Seat: Cairo
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Search Free Alexander County, Illinois Genealogy and Family History Records Online including census, cemetery, vital, military and other genealogical and historical records that can be used for your family history research.
Alexander County, Illinois genealogy and family history page is a place where you can come in and research your genealogy and family history. We also do our best to provide a history of the area, to provide you with an overview of the time in which your ancestors lived.
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History
Alexander County was organized from part of Union County in 1819. It was named for William M. Alexander, a physician who practiced in the town of America (the first county seat). Alexander was elected as a representative to the state House, where he became Speaker of the Illinois House of Representatives in 1822.
Communities
City: Cairo (county seat).
Villages: East Cape Girardeau, McClure, Tamms, Thebes.
Census-designated place: Olive Branch.
Unincorporated communities: Cache, Clank, Dawleys, Diswood, Elco, Fayville, Future City, Gale, Golden Lily, Klondike, Miller City, Roth, Sandusky, Tankville, Tatumville, Unity, Urbandale, Willard.
Forts: Fort Defiance.
Alexander County Genealogy Records Online
Alexander County Illinois Cemetery Records
Alexander County Illinois Military Records
Alexander County Illinois Wills/Probate Records
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Adjacent Counties
- Union County - north
- Ballard County, Kentucky - southeast
- Pulaski County - east
- Mississippi County, Missouri - south
- Scott County, Missouri - west
- Cape Girardeau County, Missouri - northwest