- Doodson
- DeRuyver - about the De Ruyver, or DeRuyver, family in Belgium, France, Canada, and the U.S.
- Dunton - the study of the surname of Dunton and variants, i.e. Dunten and Dutton.
- Delano - genealogy for the American family line.
- Dodhia / Haria / Sumaria / Harania - with roots in the Halari Visa Oshwal community, originating in Gujarat, India.
- Donshea / Dunshea / Dunshee - queries are welcome.
- Duerinck - includes variants such as Deerinck, Durinck, Dierick, Duericx, and Duerinckx.
- Dollarhide - genealogy, history, guestbook, and pictures.
- Doyle - promotes and strengthens a mutual interest and fellowship between all persons bearing the family name of Doyle, Doyel, O'Doyle, or their relatives. Includes extensive Irish history.
- Dowie
- DeMerchant
- Dreisbach - also Dreisbach, Dresbach, Dresback, Driesbach, Treisbach, Triesbach, and other variants.
- Deyo - information on the family history and the Deyo House.
- Dudick - 3400+ names that include: Brinton, Bunnell, Clark, Coate, Cook, Dudick, Forte, Harry, Tharp, Underwood, Wells, etc.; includes royal lineages.
- Duffus - worldwide genealogy site - articles, family trees, Who's Who, military Duffuses, historical accounts, photos tartans and streaming video.
- Dodge - lineage and history on Dodges dating from 1302, related surnames, family reunions, and continuing research.
- De Fonseka - covers the surname and the Karava caste of Sri Lanka.
- Durand - relating to the genealogy of the Durand surname.
- Davidson (1)
- Dupee - dedicated to the descendants and families of Peter Dupee, born about 1810 in Canada.
- Downing / Harris - other surnames: Thurman, Cloyd, Morrow, and others.
- Dougan / Dugan / Duggan
- Duggan / Dugan / Dougan - includes family newsletter and archive.
- De Clercq / De Clerck - documenting the family in the Flanders region of Belgium, the Netherlands, the United States, and Canada. Also in Dutch.
- Dalrymple - database of the descendants of James Dalrymple (born 1761) of Hants County, Nova Scotia, Canada.
- Duckmanton - includes an archive featuring parish records, wills, and family tree database.
- Dead Persons Society (DPS) Melbourne - genealogists assisting others. Search our members' surnames, leave your queries in our guest book, or join us for a chat.
- Dighero
- Deuel / Swayze - Carns, Evens, Evans, Freeman, Mosher, Noland, Northrup, and more.
- Dockery
- Dillow - assists in the preservation of the early Peter Dillow family lineage and history.
- De Rose - structured list of people with the surname De Rose and their descendants.
- Denny / Loftis - features genealogical information and photos.
- Dameron / Damron
- DeHart - genealogy and mailing list for researchers.
- Dillon
- Dellasala
- Derr
- Deshazo - list of ancestors with source document referenced. Beginning in 1600's, this is a cumulative and ongoing list which includes some wills and personal histories.
- Dutton - an Ohio pedigree with historical vignettes and images chronicling the Duttons of Pennsylvania.
- Dempsey / Joyce / Slattery - also including information on Shea, Mackay, Lanagan, Dale, Smith, Nancarrow, Rosen, Louis, Flanagan, McGoven, Mulvihill, Brennan, Frendo,Bezzina, Micallef and more.
- Deal - information concentrating mainly on the Stammers, Harden, and Brand surnames.
- Donley
- Dunn / Kress - also including Renfroe, O'Dell, Campbell, Womack, Jennings, Suggs, Roberts, and Gormley.
- Durrenberger / Durenberger - genealogy and family history.
- deMercado - also including information on the Andrade, Delgado, Seixas, D'Costa, and DaCosta families of Jamaica.
- Dicus / Dycus - family history 1680 to present.
- Disbrow
- Dickerson
- Dooley - also Murphy.
- Dunham - online version of Tammy Dunham Caron's privately-published family history. Surnames include Dunham (Donham), Bryant, Bisbee, Morgan and Cummings.
- Diffie / Cotten / Shuffield - including the surnames Herring, Hedrick, Wise, Armstrong, Braziel, Houser, Cheatwood, Chitwood, Cunningham, Echols, Taylor and others.
- Dismore - descendants of Henry Dismore and Martha (Smith) Dismore. Genealogy covers Dismore family members in Kentucky and Indiana.
- De Vries - genealogical home page.
- Denhalter - family network's main newsletter; contains links to all Denhalters online; contains news on Denhalter family members.
- Donald - official Clan site for descendents living in North Carolina.
- Dash - focusing on the family of Barbados.
- Deneen / Dineen - history, genealogy, queries, lists, and worldwide links.
- Diamond - other surnames include: Diamant, Tolchin, Tolchinsky, Rutner, Beitsch, Joshowitz, Zitelman, Marinoff, and Fuchs.
- Duffin - lineage links including Neal, Hill, Dewey, Ellerbusch, Mellor, Stilwell, Yarbrough, and many others.
- Dunithan / Stump - from Switzerland, Germany and Holland, England into the U.S. Covers present back through 1600's in many lines.
- Dove / Lion - Cutright, Doyle, Drake, England, Feltwell, Flora, Hardesty, Hart, Holbrook, Johnson, Kuhn, Leach, Magill, Mcgill, Mckinnis, Pengelly, Prince, Shewalter, Skaggs, Skinner, Terry, Wheeler, and Wilson.
- Dunstan - details research into the family history in the U.K., with links to Dunstans in Canada, Australia, and the USA.
- Dackombe / Terry / Polton
- Dowbiggin - organisation of people researching the surname.
- DeClerck - Verhaeghe, and Robaey family lines from the Flanders area of Belgium.
- Daish - also Dashe, Dash, and Daysh.
- Dexter - other surnames include: Dykstra, Melton, Coil, Vernon, Pennington, Agner, Perzee, Harms, Siebring, Seibring.
- Durham / Carpenter - other surnames include: Hill, Leonard, Hardin, Hinton, Robinson, Browning, Coon, Gray, Crofton, and Scott.
- Dacklin - history of the children of Jonas Dacklin and Ingrid Kajsa Backvall. Includes pictures, reunion information, and family tree.
- Dawson / Broughton - features information on families from Texas, Mississippi, and South Carolina.
- Dunnell - descendants of John Dunnell.
- Deisher - history of the family from 1680 to the present.
- Duey - descendents of John Conrad Thuy, including surnames Duy and/or Dui.
- DiTocco - more than 9 generations of the family.
- Dowd - provides genealogy, history, news articles, and forum about the Dowd surname.
- Dando - family research and photos of the Dando family.
- Dostal - chronicles the immigration of the Dostal family, including Hynek Dostal, who helped form Czechoslovakia. Includes an audio interview with Ken Burns.
- Dunks - dedicated to the preservation of Dunks family genealogy and history.
- Denke - resource for family tree information regarding anyone with the last name Denke or with ancestors named Denke.
- Doughty - researching the family from Greenwich in the 19th century.
- Dubé Family - si vous portez le nom de Dubé... if you bear the name of dube. English and French versions.
- Diviani - history and research of the surname.
- Denniston and Innis - ancestors and descendants of John W. McGinnis include Smith, Wilson, Randazzo, Buchanan, Clinton, Ward, and others.
- DiVasta - also DiVasta, DeVellis, Ferrante, and Vecchiarello family home pages.
- Dohner - includes history, photographs, news, and reunion information.
- Durlene's Genealogy - researching the Germscheid surname from Winnipeg, Manitoba.
- Dudley - descendents of William and Ellen Dudley. Also includes references to the Hudson, Mercer, Wenham, Collins, Rose, and Sacker families.
- Driscoll - tracing the family from County Cork, Ireland, to the Bendigo Goldfields of Victoria, Australia, from the 1850s to the present.
- Dagg; Research My Family.com researching Carnell, Dagg, Fever, Harrington, Jarrett, Nightingale, Snoad, Pearce surnames from England
- DaleGenealogy.com Genealogy site dedicated to the DALE surname
- Deason
Genealogy researching Deason surname in
the US
- Derringer, Dearinger Genealogy researching Derringer and Dearinger genealogy, by David Dearinger
- Delozier Genealogy Delozier's of Maryland and Pennsylvania
- Ditter Family Site researching the family histories of the Ditter, Chandler, Chapman, McKinney, Trego, and Hemrich families
- Dolben Family researching DOLBEN, WRIGHT surnames
- Donald; Clan Donald Society of Edinburgh over 1200 pages of information relating to the Clan Donald
- Douglas & Lommenzo (Lo Menzo) Genealogy the Lomenzo [Lo Menzo] family came to the USA from Mistretta-Messina Sicily, Italy
- Downer & Henslee Family Research researching Barclay / Barkley Betts Bickford Crane Downer Gager George Grafton Hobart Kelly Kinne / Kinney Knight Lathrop / Lothrop Lockwood Palmer Rogers Sawyer Smith Vincent Waters Yorke / York Youngs Allan Anderson Bearden Bingham Easton Eliott Gillespie Graham Griggs Henslee Howey Hunter Lane Main McBride Moore Nix Oakley Scott Smout Spivey / Spiva Stonebanks Taylor Young surnames
- Drone Family Genealogy researching Drone surname and and allied families BARTEL - CLENDENNIN - COMBS - FLORI - GOSS - KOHL - MCCORMICK - OTTMANN - PETTIT - TROUSDALE - WATHEN.
- Duffield Family over 22,000 Dufield/Duffield family members
- Duggan; Bob & Kathleen Duggan Family Registers looking for Duggan, Ringwald genealogy
- Duncan; Clan Duncan Society researching Duncan surname as well as variations: names of Duncanson, Duncane, Dunkinson, Duncean, Dunken, Donkin, Dunkin
- Dunn; The Dunn Family researching the Dunns from USA