Icelandic Genealogy Society - Ættfræðifélagið

Reykjavík, Iceland.

Icelandic Memorial Society of Nova Scotia

Middle Musquodoboit, Nova Scotia, Canada.

Ida County Genealogical Society

Ida Grove, Iowa.

Idaho Falls PAF Users Group

Idaho.

Idaho Genealogical Society

Boise, Idaho.

Idaho State Historical Society

Idyllwild Area Historical Society

California.

IFHAA - Internet Family History Association of Australia

A repository for family history material - includes cemetery transcripts, biographies, family stories, local histories and much more.

IGEPAR - Instituto de Genealogia do Paraná

Brasil.

Il Circolo Calabrese

Il Circolo Filippo Mazzei - The Washington D.C. Metropolitan Area Italian Genealogical Society

[The original link is broken. This link points to an archived copy on the Wayback Machine]

Illawarra Family History Group

Wollongong, New South Wales, Australia.

Illawarra Historical Society Inc.

Australia.

Illiana Genealogical & Historical Society

Danville, Illinois.

Illiana Jewish Genealogical Society

A Jewish genealogical society covering Chicago's southern suburbs and northwest Indiana.

Illinois Chapter, DFPA

Illinois State Chapter of the Daughters of Founders and Patriots. A society for women who can trace their direct male line to a pre-1687 Founder, including a Revolutionary Patriot.

Illinois Chapters Daughters of the American Revolution

Illinois Norwegian Tri-County/Tri-Township Genealogy Guild

A genealogy Guild for Grundy, LaSalle and Kendall counties.

Illinois Society Daughters of the American Colonists

Illinois Society of Colonial Wars