"United States Census, 1910"
Name: William P Clark
Event Type: Census
Event Year: 1910
Event Place: Reaves, Marion, S.C., U.S.
District: 73
Gender: Male
Age: 32
Marital Status: Married
Race: White
Relationship to Head of Household: Head
Birth Year (Estimated): 1878
Birthplace: South Carolina
Father's Birthplace: North Carolina
Mother's Birthplace: North Carolina
Head: William P Clark M 32 S.C.
Wife: Addie Clark F 25 S.C.
Daughter: Mabel D Clark F 5 S.C.
Daughter: Julia I Clark F 3 S.C.
Son: William P Clark Jr. M 1 S.C.
Boarder: George W Hutchinson M 38 N.C.

"United States Census, 1920"
Name: William P Clark
Event Type: Census
Event Year: 1920
Event Place: Mullins, Marion, South Carolina, United States
District: 112
Gender: Male
Age: 42
Marital Status: Married
Race: White
Can Read: Yes
Can Write: Yes
Relationship to Head of Household: Head
Own or Rent: Own
Birth Year (Estimated): 1878
Birthplace: North Carolina
Father's Birthplace: North Carolina
Mother's Birthplace: North Carolina
Head: William P Clark M 42 North Carolina
Wife: Addie Clark F 35 South Carolina
Daughter: Mabel Clark F 14 South Carolina
Daughter: Julia Clark F 13 South Carolina
Son: William P Clark Jr. M 11 South Carolina
Daughter: Addie Clark F 9 South Carolina
Daughter: Ellen P Clark F 7 South Carolina

"United States Census, 1930"
Name: William Clark
Event Type: Census
Event Year: 1930
Event Place: Mullins, Marion, South Carolina, United States
District: 0016
Gender: Male
Age: 52
Marital Status: Married
Race: White
Relationship to Head of Household: Head
Birth Year (Estimated): 1878
Birthplace: North Carolina
Father's Birthplace: North Carolina
Mother's Birthplace: North Carolina
Head: William Clark M 52 North Carolina
Wife: Addie Clark F 45 South Carolina
Daughter: Julia Clark F 23 South Carolina
Son: William Clark Jr. M 21 South Carolina
Daughter: Addie Clark Jr. F 19 South Carolina
Daughter: Polk Clark F 17 South Carolina
Boarder: Horace Jones M 24 South Carolina

"United States Census, 1940"
Name: W P Clark
Titles and Terms: Jr
Event Type: Census
Event Date: 1940
Event Place: Ward 1, Mullins, Reeves Township, Marion, South Carolina, United States
Gender: Male
Age: 31
Marital Status: Married
Race (Original): White
Race: White
Relationship to Head of Household: Head
Birthplace: South Carolina
Birth Year (Estimated): 1909
Last Place of Residence: Same House
District: 34-13
Head: W P Clark M 31 South Carolina
Wife: Frances Harris Clark F 32 North Carolina
Son: Walter Penn Clark M 8 South Carolina