Roy was the son of James W. Lisander "Jimmie" Deweese, b. 23 Apr 1878 Neshoba Co MS, d. 09 Sep 1955 Neshoba Co MS, and Nancy Louvinia "Nannie" Gipson Deweese, b. 08 Feb 1881, d. 14 Aug 1970. She was the daughter of Rev. Cullin Jefferson Gipson and Mary Ellen Parker Gipson.

(The family name was often spelled differently, Dewease or Deweese, even amongst the siblings. Uncle Roy spelled it Deweese and his brother Uncle Otho spelled it Dewease.)

On May 25, 1936, Roy married Mavis Inez Crocker, daughter of William Robert "Bunch" Crocker and Frances Cornelia "Nelie" Russell Crocker. Roy and Mavis were the parents of:

1. Nancy Cornelia Deweese (1937-1969) m. James Watson, Venerable S. Crain
2. Roy Clinton "Pete" Deweese (b. 1939)
3. James Robert "Jack" Deweese (b.1942)

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1920 U.S. Federal Census:
Name: Roy Dewease
Age: 8 Birth Year: abt 1912
Birthplace: Mississippi
Home in 1920: Philadelphia, Neshoba, Mississippi
Street: Settlement Road
Race: White Gender: Male
Relation to Head of House: Son
Marital Status: Single
Father's name: Jim Dewease
Father's Birthplace: Mississippi
Mother's name: Nona Dewease
Mother's Birthplace: Mississippi
Attended School: Yes
Household Members: Name Age
Jim Dewease 41
Nona Dewease 38
Myrtle Dewease 13
C J Dewease 11
Roy Dewease 8
Rodger Dewease 5
Otha Dewease 2
____

1930 U.S. Federal Census:
Name Roy L Deweese
Age in 1930 18
Birth Year abt 1912
Gender Male Race White
Birthplace Mississippi
Marital Status Single
Relation to Head of House Son
Home in 1930 Philadelphia, Neshoba, Mississippi
Street Address Philadelphia and Beat line School road
Dwelling Number 138 Family Number 142
Attended School Yes
Able to Read and Write Yes
Father's Birthplace Mississippi
Mother's Birthplace Mississippi
Able to Speak English Yes
Household Members: Name Age
J C Deweese 53
Nannie Deweese 48
C J Deweese 22
Roy L Deweese 18
Roger Deweese 15
Other Deweese 13
Hubert Deweese 10
Lillie Deweese 9
Jackson Deweese 7
______

1940 U.S. Federal Census:

Name: Roy Dewson [Roy Dewease]
Respondent: Yes
Age: 28
Estimated birth year: abt 1912
Gender: Male Race: White
Birthplace: Mississippi
Marital Status: Married
Relation to Head of House: Son
Home in 1940: Philadelphia, Neshoba, Mississippi
Street: Rural Roads SW Of Highway 19 Miss Beat One
Inferred Residence in 1935: Philadelphia, Neshoba, Mississippi; Residence in 1935: Same Place
Resident on farm in 1935: Yes
Sheet Number: 2A Occupation: Road Work
Attended School or College: No
Highest Grade Completed: High School, 1st year
Duration of Unemployment: 52
Class of Worker: Wage or salary worker in Government work
Weeks Worked in 1939: 44 Income: 250
Income Other Sources: No
Household Members: Name Age
Jim L Dewson 62
Nannie Dewson 58
Nellie Dewson 18
Martin Dewson 17
Roy Dewson 28
Mavin Dewson 25
Nancy Dewson 2
Clifton Dewson 3/12
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U.S. City Directories, 1822-1995:
Name James R Deweese
Gender Male
Residence Year 1957
Residence Place Jackson, Mississippi, USA
Occupation Mechanic
Spouse Mavis Deweese
Publication Title Jackson, Mississippi, City Directory, 1957
Household Members: Name Age
James R Deweese
Mavis Deweese

Residence: 610 E. Silas Brown. James R. Deweese's worked as a mechanic at Wrought Iron Range. Mrs. Mavis Deweese was employed in a restaurant.
_____

U.S., Social Security Death Index, 1935-2014
Name James Deweese
SSN xxx-xx-xxxx
Last Residence Jackson, 39212, Hinds, Mississippi, USA
Born 27 Jun 1911
Last Benefit Jackson, 39212, Hinds, Mississippi, United States of America
Died Jan 1986
State (Year) SSN issued Mississippi - Before 1951