- Twitchell
 - Twyford
 - Tye
 - 
Nancy Sue (Mrs.) (née Morrison)
  B: 1939, D: 1994 - Tyer
 - 
Cleva Alene
  B: 1909Estella Maude
  B: 1888Grace B.
  B: 1889Marcellus Leonidas
  B: 1858, D: 1923Marcellus Leonidas
  B: 1891Rosco
  B: 1890Rufina Gertrude
  B: 1886 - Tyforson
 - Tyler
 - 
Damaris (Mrs.) (née Hall)
  B: 1775, D: 1798Laura Elvira
  B: 1823, D: 1873Mahala C. (Mrs.) (née Caskey)
  B: circa 1856, D: circa 1927Mary (Mrs.) (née Frisbie)
  B: 1720Mercy (Mrs.) (née Bunnell)
  B: 1729Robert S.
  B: 1835, D: after 1910Sarah Anne (Mrs.) (née Hammontree)
  B: 1833, D: after 1910 - Tynan
 - Tyndal
 - Tyree
 - Tyrrell
 - 
Arthur
  B: 1858, D: 1931Clarissa (Mrs.) (née Meeker)
  B: 1774, D: 1838Dorothy (Mrs.) (née Smith)
  B: circa 1917, D: 1992Elijah
  B: 1775, D: 1848Lorinda Maria
  B: 1813, D: 1908Lucinda Sophia (Mrs.) (née Bartholomew)
  B: 1863, D: 1945 - Udall
 - Udy
 - Uhl
 - 
Bob
  B: 1920, D: 2011Helen Marie (Mrs.) (née Messerly)
  B: 1898, D: 1950Ralph Augustine
  B: 1896, D: 1971Robert Leo
  B: 1920, D: 2011 - Ukland
 - Ullman
 - Ulloa y Dubon
 - 
Cruz B: 1835, D: 1903
 - Ulloa
 - 
Mercedes Margarita Adelaida (Señora) (née Morazán) B: 1835, D: 1921
 - Ulmer
 - 
Bertha Jane
  B: 1874, D: 1919 - Uln
 - Ulrey
 - 
Geraldine Martha (Mrs.) (née McLeod)
  B: 1929, D: 2006Loyd B.
  B: 1924 - Umbarger
 - 
Chub
  B: 1909, D: 1976Evelyn Clarissa (Mrs.) (née Tritle)
  B: 1920, D: 2003Linda Jo
  B: 1947, D: 2017Virgil Lloyd
  B: 1909, D: 1976 - Underwood
 - 
Ebbie (Mrs.) (née Grisham)
  B: 1886Florence Wyly
  B: 1846, D: circa 1900Gladys (Mrs.) (née Cantrell)
  B: 1896Jane
  B: circa 1740, D: 1833Joseph
  B: circa 1868Mattie
  B: 1900, D: 1934Sarah (Mrs.) (née Van Valkenburg)
  B: circa 1842Selina (Mrs.) (née Cantrell)
  B: circa 1820Sophia (Mrs.) (née Rice)
  B: 1898, D: 1970Valda (Mrs.) (née Sargent)
  B: 1917, D: 2011