Suggested edit: Please replace with more accurate information received from his family. His parents were Benjamin Timothy Hancock and Elizabeth Ruyle Hancock. His grandparents were Lewis Hancock and Nancy Frances "Frankey" Adams.
His first wife was Alcy Adaline Adamson; they married in 1856 in Freestone County, Texas. They had eight (8) children: William Benjamin, Noah J, Lyah Annie (Knozor), Mary Frances "Molly" (Carleton), Jasper Newton, Thomas Bethel, Alice Elizabeth "Cricket", and Bluford Marion Hancock.
His second wife was Jane Luticia Collins on 1 September 1881 in Proctor, Comanche County, Texas. William and Jane had Elizabeth, Emma Pearl (Mayes), and Matilda Mae McCann (Hancock).
W.M. HANCOCK SERVICE REFERENCE CO. G MANN'S TEXAS CAVALRY. CSA [CONFEDERATE STATES OF AMERICA]. WILLIAM ALBERTUS HANCOCK, RAYMOND HANCOCK, & OTHERS, compiler, HANCOCK FAMILY RECORD BOOK, COPY RECEIVED FROM ANNIE MAE MCCANN TUDOR, UVALDE, UVALDE, TEXAS, USA, NOV. 15, 2008.
Contributor: Sally Frederick Johnson (46931048) • [email protected]

Name: William M Hancock
Event Type: Census
Event Year: 1910
Event Place: Justice Precinct 4, Comanche, Texas, United States
Gender: Male
Age: 74
Marital Status: Married
Race: White
Race (Original): White
Relationship to Head of Household: Head
Relationship to Head of Household (Original): Head
Birth Year (Estimated): 1836
Birthplace: Missouri
Father's Birthplace: Tennessee
Mother's Birthplace: Tennessee
Household Role Gender Age Birthplace
William M Hancock Head M 74 Missouri
Luticia J Hancock Wife F 63 Indiana District: 8 , Sheet Number and Letter: 16B , Household ID: 224

His first wife was Alcy Adaline Alcy Adamson, they married in 1856 in Freestone County, Texas. His second wife was Leticia Jane Collins in 1881 in Proctor, Comanche County, Texas.

Name:William M Hancock
Event Type:Census
Event Year:1880
Event Place: Mexia, Limestone, Texas, United States
Gender:Male
Age:43
Marital Status:Married
Race:White
Race (Original):W
Occupation:Farmer
Relationship to Head of Household:Self
Relationship to Head of Household (Original):Self
Birth Year (Estimated):1837
Birthplace:Missouri, United States
Father's Birthplace:Tennessee, United States
Mother's Birthplace:Tennessee, United States
Affiliate Name:The U.S. National Archives and Records Administration (NARA)
Affiliate Publication Number:T9
Affiliate Film Number:1317
HouseholdRoleGenderAgeBirthplace
William M HancockSelfM43Missouri, United States
Alice A HancockWifeF42Tennessee, United States
Mollie F HancockDaughterF12Texas, United States
Jasper N HancockSonM8Texas, United States
Thomas B HancockSonM6Texas, United States
Bluford HancockSonM2Texas, United States
James PettyOtherM22Mississippi, United States
Lyah A HancockDaughterF18Texas, United States
Cricket HancockDaughterF4Texas, United States