United States Federal Census, 3 Aug 1870, Township 54 Range 35, Platte County, Missouri, USA, Family 984.
SURNAME: WHITLOCK
Given Name, Age, Place of Birth
Alexander, 36, Miss [This could be Mississippi or Missouri]
Amanda J, 28, Ky
Garret D, 6, Mo
Columbus, 5, Mo
Virginnia, 4, Mo
John, 3, Mo
Charles, 1, Mo

United States Federal Census, 1880, Green, Platte, Missouri, USA, District 87, Sheet 53B.
Surname: WHITLOCK
Given Name, Relationship to head of household, Age, Place of Birth
[following list is in the order that they were enumerated]
A H, self, 46, Missouri
V E, daughter, 14, Missouri
J C, son, 12, Missouri
Chas, son, 10, Missouri
W P, son, 5, Missouri
C A, daughter, 4, Missouri
Sarah, daughter, 1, Missouri
Amanda, wife, 40, Kentucky
J T, son, 8, Missouri
C G, son, 15, Missouri
G D, son, 17, Missouri

United States Federal Census, 1900, Monroe Township, Andrew, Missouri, USA, District 8, sheet 11B, Household 216.
SURNAME: WHITLOCK
Given Name, Relationship to head of household, Age, Place of Birth
Alexander, Head, 66, Missouri
Mandy J, wife, 61, Kentucky
James F, son, 29, Missouri

United States Federal Census, 1910, Monroe, Andrew, Missouri, USA, District 9, Sheet 1B, Household 26.
SURNAME: WHITLOCK
Given Name, Relationship to head of household, Age, Place of Birth
Alexander H, Head, 76, Missouri
Mandy J, wife, 70, Kentucky
Charley B, son, 40, Kansas
Whiley P, son, 36, Missouri

United States Veterans Administration Pension Payment Cards, 1907-1933, Certificate Number 843740.
WHITLOCK, Amanda J
Certificate Number 843740
Army Widow
Law: Act April 19, 1908; Act September 8, 1916
Name of Soldier: Alexander Ct
Service: Priv. C. 3rd Prov. enrolled Mo. Mil.
Class: Orig
Rate: 25
Date of Commencement: 26 Nov 1917
Date of Certificate: 22 Apr 1918
Fees: None
[Stamped "Group 2"]
Died: 24 oct 1918 [This refers to the date of death of Amanda]
Bureau notified: 15 Nov 1918

From these I have deduced that the family unit consisted of:
WHITLOCK and have provided links if available.
Alexander H, born about 1834 in Missouri
Amanda J, born about 1839-1842 in Kentucky
Garret D, born about 1863-1864 in Missouri
Columbus G, born about 1865 in Missouri
Virginia E, born about 1866 in Missouri
John C, born about 1867-1868 in Missouri
Charles "Charley" B, born about 1869-1870 in Missouri or Kansas
James F, born about 1872 in Missouri
Whiley P, born about 1875 in Missouri
C A, (daughter), born about 1876 in Missouri
Sarah, born about 1879 in Missouri