I found this family whilst searching for a male called Adra CUMSTON.
He can be found in Ohio, which is where Isaac was born.

1900 United States Federal Census
Isaac Cumston Age: 44 Birth Date: Sep 1855
Birthplace: Ohio Home in 1900: Arbuckle, Mason, West Virginia [Mason]
Race: White Gender: Male Relation to Head of House: Head Marital Status: Married Father's Birthplace: Unknown Mother's Birthplace: New Jersey
Spouse's Name: Sarah Cumston Marriage Year: 1878 Years Married: 22
Parents born Virginia

Household Members: Name Age
Isaac Cumston 44
Sarah Cumston 40
Cora E Cumston 21 All children born in West Virginia
Jonas Cumston 19
Jacob Cumston 19
Ida Cumston 17
Louella Cumston 15
Berth Cumston 12 Stet - I have seen the original
Rena Cumston 10
Adra Cumston 7 shown as daughter. 1900 census therefore born c 1893. However 1920 census shows the person as a male.

Willie Cumston 4
Earl Cumston 3
Minnie Cumston 5/12

1920 United States Federal Census

Adra Cumston Age: 28 Birth Year: abt 1892 Birthplace: West Virginia
Home in 1920: Dayton Ward 7, Montgomery, Ohio
Race: White Gender: Male Relation to Head of House: Brother-in-law Marital Status: Single

Father's Birthplace: West Virginia Mother's Birthplace: Ohio [Note these are the wrong way round]
Able to read: Yes Able to Write: Yes

Household Members: Name Age
Charles Sommers 35
Bertha Sommers 33
Raymond Sommers 0 [2/12]

Adra Cumston 28 labourer in factory