- Ancestry.co.uk Surname Board - W - Free Database for thousands of surnames
- Wyman
- Whitney - home of the Whitney Research Group (WRG).
- Wannall - includes biographies, links, chat rooms, a bulletin board, photographs, and more.
- Wert - with information on Wirt, Wertz, Wirth and other spellings.
- Woolman - dedicated to the documentation of Woolman descendants and to the preservation of the spirit and legacy of the 18th century Quaker and abolitionist John Woolman.
- Weedin - Internet source for family information and history.
- Wiser - family genealogy with pictures and references to other sites and surnames.
- Wishart - provides historical information.
- Walvoord / Walvoort - family that emigrated from the Netherlands to Wisconsin and Nebraska. Includes biographical stories and photos.
- Walsh (3)
- Wurtz - family genealogical site for the descendants of Wilhelm Wurtz. Alternative spellings include: Verts, Vertz, Virts, Virtz, Werts, and Wertz.
- Wheelock - family genealogy in the United States, with an emphasis on the Mefield and Charlton, MA and Hamburg NY lineage.
- Wheeler - ever expanding James Stonewall Wheeler family tree.
- Wilkins / Wilkens - researchers, message boards, links to Wilkins information on the Internet.
- Woody - family genealogy web site.
- Witt / Whitt / Whit - concerned mainly with descendants of John Witt and Ann Daux.
- Waller (2)
- Wagner (2)
- Werlen - documenting the Obergoms line of the family from the 14th century to the present, including members of the Swiss Guard.
- Werlen family history - Family history in English, German and Italian. Family tree since 1340. Contribution to the Vatican Swiss Guard. Homeland picture gallery.
- Wingfield - heraldic genealogical organisation which researches and disseminates historical information about Wingfield descendants worldwide.
- Wilson (6)
- White (2)
- Williamson (3)
- Wood - the Wood and Damann family history, with more than 650 surnames. Family pictures and stories.
- Watson (1)
- Wedgwood - genealogy and biography; the famous and the not so famous.
- Weeks (2)
- Williams (2)
- Whitworth (2)
- Whitlock / Whitfield - families from England and South Africa.
Whitworth Genealogy - study of the Whitworth family name and its worldwide migration. - Whitley - message board, genealogy and links for the surnames Hudson, Horton, Rodgers, Lumpkin, Watkins, and more.
- Westaway - family of Prince Edward Island.
- Wynn - for researching Winn, Wynne descendants of Dr. Thomas Wynne of Philadelphia & their Associated Families: Abraham, Ashcraft, Dunwoody, Totten and Timbrel.
- Wheatley - also Andis, Barker, Barton, Callow, Case, Childs, Davis, Denney, Donald, Donat, Kingery, Merrill, Newbound, Smith, Southard, Speagle, and Waddle.
- Wicks - also McElroy; includes information about the Piney Woods Research Services and The Piney Woods Newsletter.
- Whisnant - including the various spellings: Whisenant, Whisonant, Whisante, Whisenhunt, Whisenhant, Whisnand, Whisenand, Whisennand, and Visinand.
- Woodworth - descendants of Walter Woodworth, born about 1612, who immigrated to Scituate, Massachusetts about 1630.
- Whinery / Whinnery - compiled family data.
- Wagnon / Gamblin - surnames include: Huffines, Barber, Swindell, Hamilton, Cartwright, Leaverett, Green, Roberts, Davidson, Selvidge, Harris, Essary, Craft, Elledge, Rodgers, Perrin, Finley and Osborn.
- Waters - other surnames include Cooley, Johnston, O'Brien, Westbury, Watson, Gibson, Means, Lawrence, Osborne, Ford, Howland, Ford, Campbell, MacDougall, and Cardiff.
- Webre - documenting the family from 1721 through the present. Includes photographs, documents, and records.
- Walbert - researching the ancestors of Lucy Ann Walbert born in 1848; other related names: Derr, Mohr, Boger, and Kerchner.
- Wells - research on the Wells, Schaffer, Decker, Crane, Vroman and Schrader families.
- Whitten - descendants of brothers Pleasant and Austin Whitten from Winston County, Mississippi.
- Willyoung - information on or concerning the lineage of the surname.
- Wortman (1)
- Whatley - family tree complete with biographical profiles.
- Wissinger - contains surname history, coat-of-arms, and a list of contributors.
- Widrig - descendants of Michael Widrig (1735-1777); constantly updated for information provided by Widrigs worldwide.
- Wilcox - surnames include Conway, Craig, Grening, Keilmann, Koster, Lieske, Lund, McIntosh, Plotts, Porter, Rader, Schmidt, Stoltafuhs, Tuyt, van Duinwyk, van Spall, Volktman, Wolfe.
- West (1)
- Willden - genealogical database of Willden and related family members, plus histories and biographies.
- Wassell / Kempsell / Frost - including the alternate spellings Wassall, Kempsall, and Kempshall.
- Wilburn - with alternate spellings Wilborn and Willborn.
- Willig - for Willigs researching their roots.
- Whitty - offers clan history, event listings, and a memorial section.
- Willingale - also Wright, Savill, Murrell, Burles, and more.
- Ward (1)
- Wright (3)
- Watkins (1)
- Woodhouse (1)
- Walsh Family - dedicated to the family living in North Wales, U.K.
- Welker / Mayne - family genealogy.
- Willemssen - factual and chronlogical description of the family, which includes information on trees, maps, histories, bios, and albums.
- Woodham / Beasley - southern families including Alday, Beasley, Beverett, Brown, Crowson, Johnson, Odom and others
- Wilborn - also including: Wilburn, Willborn, and Willburn.
- Woltz / Waltz - genealogical data on the surnames.
- Winwood - provides information about family from Norfolk, Suffolk, Shropshire, and other parts of the U.K.
- Witherspoon - research information for the surname.
- Walls - research also includes the Wiwatowski, Holbrook, and Zegan family lines.
- Wescott - includes the Wescott and Maclay families.
- Whitaker - family histories, variant surname spellings, coats of arms, and prominent Whitakers in history.
- Wiley (1)
- Webb Settlers - westward journey of a southern farming family. Features biographies of Hiram Webb and his children.
- Webster - Burston, Shoobridge, and Crosse families.
- Wardill - traces the family genealogy by descendants of John and Elizabeth Wardill.
- Westropp - from Edward de Westhorpe, of North Yorkshire, England in 1250, to present.
- Welsh and Miller - tracing the family tree from Kentucky couple Walter Pendleton Welsh and Catherine Amelia Anna Miller.
- Walker (2)
- Whaley - features 17th-century deeds and other documents related to Theophilus Whaley in Rappahannock County, Virginia; his life in Rhode Island; and possible connection to Edward Whalley and William Goffe.
- Whitlock - from Ohio, Kentucky, and Virginia.
- Wilbers - family tree of Maarten Wilbers.
- Watterson Family History and Genealogy - family from the Parish of Woodschapel, County Londonderry, N.Ireland.
- Weithase - online history of the Gerd Weithase family around the world.
- Wilberding - tracing the descendants of Carl Joseph Wilberding from Oldenberg, Germany, in the 1700s to the Iowa in the 1950s.
- Wallace (1)