Umbridge, Dolores Jane (over age 60, exact age unknown)
Umfraville, Quintius (over age 50, exact age unknown)
Urquhart (1979-present)
Vaisey (1979-present)
Vane, Romilda (1982-present)
Vector, Septima (over age 50, exact age unknown)
Viridian, Vindictus (over age 50, exact age unknown)
Volkov (over age 40, exact age unknown)
Vulchanov (over age 40, exact age unknown)
Wadcock, Joscelind (1911 - present)
Wagstaff, Honest Willy (over age 40, exact age unknown)
Wagtail, Myron (1970 - present)
Warbeck, Celestina (1917 - present)
Warrington, Mr. (1977-present)
Weasley, Arthur (over age 65, exact age unknown)
Weasley, Bill
Weasley, Charlie
Weasley, Fleur Delacour (1977-present)
Weasley, George (1978-present)
Weasley, Hermione Granger (September, 1979-present)

Weasley , Hugo (2007- present)
Weasley, Molly Prewett (over age 65, exact age unknown)
Weasley, Percy (1976-present)
Weasley, Ronald "Ron" (1980-present)

Weasley , Rose (2006-present)
Weasley, Victoire (2000-present)  view bio
Whisp, Kennilworthy (over age 50, exact age unknown)
Whitby, Kevin (1983 - present)
Whitehorn, Devlin (1945 - present)
Widdershins, Willy (over age 40, exact age unknown)
Wiggleswade, Dempster (over age 40, exact age unknown)
Wigworthy, Wilhelm (over age 50, exact age unknown)
Williams, Benjy (over age 40, exact age unknown)
Williamson (over age 40, exact age unknown)
Willis, Heliotrope (over age 40, exact age unknown)
Wimple, Gilbert (over age 50, exact age unknown)
Wintringham, Herman (1974 - present) musician
Wood, Mr. (over age 50, exact age unknown)
Wood, Mrs. (over age 50, exact age unknown)
Wood, Oliver (1976 - present)

 

Worme, Augustus (over age 100, exact age unknown)
Worple, Eldred (over age 45, exact age unknown)

Wronski, Josef (over age 40, exact age unknown)
Yaxley (over age 45, exact age unknown) Azkaban
Zabini, Blaise (1980 - present)

Zabini, Mrs. (over age 50, exact age unknown)
Zamojski, Ladislaw (over age 40, exact age unknown)
Zeller, Rose (1984 - present)
Zograf (over age 40, exact age unknown)