Community research centre with online newspapers and private chatroom. Includes associated links and gift emporium.

Kelly (O'Ceallaigh) history and information featuring Irish Lords, legends, feasts, clans, coat of arms and Chieftains. Includes community guestbook, newsletter and reunion details.

Descendents of David Oaks, an early pioneer in Western North Carolina and Tennessee, USA.

Features ahnentafel chart and the surnames Oddy, Howes, Fincher and Plumley.

Starting point for research into the Odell name and its variants, with particular emphasis on UK roots.

Ancestral history of Theresa Marie Idica and Teresa (Terry) Anne Holmes. Features the ancestors and descendants of William R Odendahl (1822-1894) and Peter Odendahl (1817-1899).

Descendants of Ogasawara Jiro Nagakiyo (1163-1242) including associated lineages.

Historical information relating to the names and its variants in the UK and USA. Includes descendants of slaves owned by Charles Harrison Ogburn of Mecklenburg, Virginia.

Researching the Hoffman, Ogle, Creech and Butz families; settled in the state of Kansas for the most part.

Ancestors of Sharon Okouneff featuring the surnames Lieberman, Morgenstern, Tritsch, Wassertrilling, Wassing, Popper, Kohn and Janowsky; from Austria, Czechoslovakia and Russia (primarily of Jewish origin).

Ancestral heritage presented by Cristino Jose Olano in English and Spanish.

Ancestral research featuring pedigree, photographs and resources. Includes the variants Oulds and Old.

Ancestral heritage of Fred Olive from AL, USA.

Ancestors of Denise Roberts Oliver-Velez including the surnames Oliver, Velez, Roberts, Weaver, Williams, Bodine, and Bratt.

Reasearch interests of Richard Olivey, registered with the Guild of One Name Studies, number 359.

Family history including associated lineages, message board and photographs.

Multinational family histories pertaining to the name Ollis including photographs, memorials, vital records and lineages during War.

Researching the family lines of the Netherlands and Germany.

Ancestral research including the surnames Cleworth, Davies, Edinburgh and Reedy.

Researching the lineage of Louiss Orange who arrived with wife and child in James Town, Virgina, USA on July 31st 1700.

Communication and information forum for O'Rears and Orears.

Descendants of Nikola Orlovac and Potomci od Nikole Orlovac including the lineages of Golub, Barisic and Lukenda from Bukovica. Compiled by Marinko Orlovac.

Research repository for Orrell and variations, worldwide and all time periods.

Ancestral heritage of Robert G Orta including the surnames Orta, DeOrta, Holcomb and Noriega.

Historical data, will abstracts, deeds and parish register entries relating to Reginald Orton 1810-1862. Includes British ancestors, Inman of Nidderdale, Bayles of Laxton, Peirse of Bedale, Wastell of Scorton and Hutton of Marske. Compiled by Nancy McLaughlin.

Researching the family lines from Galicia to Connecticut and Vermont and throughout the USA.

Ancestral heritage including the surnames Osburn, Bollinger, Burt and Sharp.

History, pedigree and application of the name.

Seeking information on Semyon Ionov Ossowski's relatives and those connected to the family blood line. Compiled by Alex Ossowski.

Ancestors and descendants of Joseph Hickman Oster and Henrietta Marie Galliano as compiled by Brian Joseph Oster. Features the surnames Oster, Hickman, Galiano, Ledet and Kennedy. Includes abstracts of Missouri marriages and Louisiana obituaries.

All family members regardless of country and relation. Includes spelling variants of Ottolenghi and Ottolangui.

Family history and associated links including information on the Oudersluys Foundation.

Family history featuring the surnames Ouiment, Proulx, Leclerc, Leclair and Théoret.

Ancestral heritage of Louis Overcast including associated lineages and links.

Contains over 3000 Overhof(f)'s/Oberhof(f)'s from all over the world (mainly USA, Germany, Austria and the Netherlands). Some branches of the family-tree date from before 1600 until now.

Oxenham and Oxnam family history, includes downloadable listings, biographies, contacts and heraldry. Single name study regardless of geographical location.

Worldwide single name study.