William's mother, Lucinda died between 1873-1875.
His father then married Lucinda's younger sister, Alice Bagley on 12 September 1875.

Kansas State Census, 1875
Name: W Brunton
Event Place: Montgomery, Geary, Kansas
Gender: Male
Age: 13
Birth Year (Estimated): 1862
Birthplace: Missouri
Page: 28
T Brunton Male 36 Illinois
P Brunton Male 15 Missouri
W Brunton Male 13 Missouri
C Brunton Male 11 Kansas
C Brunton Male 8 Kansas
L Brunton Male 2 Kansas

United States Census, 1880
Name: William Brunton
Event Place: Louisburg, Montgomery, Kansas
Gender: Male
Age: 18
Marital Status: Single
Occupation: Help On Farm
Relationship to Head of Household: Son
Birth Year (Estimated): 1862
Birthplace: Missouri
Father's Birthplace: Illinois
Mother's Birthplace: Ohio
Thomas Brunton Self Male 42 Illinois, United States
Alice Brunton Wife Female 21 Missouri, United States
Phebe Brunton Daughter Female 20 Missouri, United States
William Brunton Son Male 18 Missouri, United States
Clarinda Brunton Daughter Female 16 Kansas, United States
Cyrus Brunton Son Male 14 Kansas, United States
Lavey Brunton Daughter Female 7 Kansas, United States
Ethel Brunton Daughter Female 4 Kansas, United States
Alma Brunton Daughter Female 3 Kansas, United States
Arther Brunton Son Male 0 Kansas, United States

Census, 1900
Name William H Brunton
Event Place Louisburg Township Elk town, Montgomery, Kansas
Years Married 10
Birth Date Feb 1872
Birthplace Kansas
Marriage Year (Estimated) 1890
Father's Birthplace Missouri
Mother's Birthplace Missouri
William H Brunton Head M 28 Kansas
Ethel Brunton Wife F 30 Kansas
Roy V Brunton Son M 11 Kansas
Fay Brunton Daughter F 5 Kansas
Brunton Unnamed Daughter F 0 Kansas

United States Census, 1920
Name: Will Brinton
Event Place: Texhoma, Texas, Oklahoma
Gender: Male
Age: 54
Marital Status: Married
Can Read: Yes
Can Write: Yes
Relationship to Head of Household: Father-in-law
Birth Year (Estimated): 1866
Birthplace: Missouri
Father's Birthplace: Ohio
Mother's Birthplace: Indiana
Charles Powers (Bowers) Head Male 27 Missouri
Fay Powers (Bowers) Wife Female 24 Kansas
Glenn Powers(Bowers) Son Male 3 Oklahoma
Herold Powers (Bowers) Son Male 1 Oklahoma
Will Brinton Father-in-law Male 54 Missouri
Ethel Brinton Wife Female 49 Illinois

cemetery lot bought by Ethel Brunton