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Imrie - Descendants of Alexander Imrie of Scotland, plus associated Wampach line.
http://homepages.rootsweb.ancestry.com/~imrie/

Iati - Family Tree of Anthony P Iati as compiled by Robert A Iati.
http://familytreemaker.genealogy.com/users/i/a/t/Robert-A-Iati-NJ/index.html

Iddison - Pre 1900 ancestral history, includes pedigree, descendant charts and family lore from 19th century Yorkshire. Compiled by Dave Brown.
http://www.northwest.demon.co.uk/

Iggulden - Descendants of the deYgolvyndenne name. Includes variants Iggleden, Igglesden, Eggleden, Egglesden and Higglesden. Compiled by Wayne Iggulden from Surrey, BC CAN.
http://freepages.genealogy.rootsweb.ancestry.com/~iggs/

Ingersoll - Researching the name and its application including the variant Ingerson. Features database, history, arms and associated links and resources.
http://www.ingersoll.net/

Ireton Family - Resource to share Ireton pedigree data and general information. Includes bulletin board for mutual exchange.
http://www.ireton.com/

I'Anson International - Worldwide study including variants Ianson and Janson. Registered with the Guild of One-Name Studies, number 2798.
http://www.ianson-international.org.uk/

Ingraham: Berkshire Connection - Ancestral history including Hall, Pike and Evzerow from Bershire County and Pittsfield, MA to Rensselaer County NY, USA. Compiled by Lois M Spatuzzi.
http://www.loisberk.org/

Iseli - History of the name and variants Iseli, Eseli, Esely, Esley, Isaly, Isel, Isely, Isley, Islie, Izel, Yselle and Yssel. Site is maintained by Erich Iseli and is available in German, French, English and Afrikaan.
http://www.iseli.org/

Irons-Rogers - Family history of Emily Irons Rogers from Geneva, IL USA.
http://familytreemaker.genealogy.com/users/r/o/g/EMILY-I-ROGERS/

Iannetta Family - Ancestral tree including surnames Conte, D'Onofrio, Venditti, Rosati and D'Angelo.
http://www.genealogy.com/genealogy/users/i/a/n/Anna-Maria-Iannetta/index.html

Iampietro Family - Ancestral history of Joseph Iamartino of Thompson, CT USA.
http://www.genealogy.com/genealogy/users/i/a/m/Mark-C-Iampietro/index.html