I'Anson International
Worldwide study including variants Ianson and Janson. Registered with the Guild of One-Name Studies, number 2798.
www.ianson-international.org.uk/
Iddison
Pre 1900 ancestral history, includes pedigree, descendant charts and family lore from 19th century Yorkshire. Compiled by Dave Brown.
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.
freepages.genealogy.rootsweb.com/~iggs/
Ingersoll
Researching the name and its application including the variant Ingerson. Features database, history, arms and associated links and resources.
www.Ingersoll.net/
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.
www.iseli.org/