Name of father James Ashbury Melson
Maiden name of mother Mary Amanda Gibson
1900 OR CENSUS - Roy S. Melson, age 16, b. Dec 1883 in Oregon, is enumerated with father James A., age 56, occupation janitor, b. Jul 1843 in Missouri, and mother [married 20 years] Mary A., age 39, mother of 5 children 2 of whom are living at the time of the census, b. Oct 1860 in Illinois, along with  and Ella M., age 13, b. Apr 1887 in Oregon.

1910 OR CENSUS Roy Melson (27y, b Oregon, single, bookkeeper) listed as boarder with Maynard Williams family

MARRIAGE Roy S. Melson (29y 6m 6d, of Salem, b Heppner, Oregon, teller) and Etta Welch (24y 1m 26d, of Salem, b Kansas) md 25 June 1913, Salem, Marion co, Oregon

WWI Draft Registration Card Roy S. Melson, 34y, of 75 N 16th, Salem, Oregon; b19 Dec 1883; farming at Bethune, Saskatchewan, Canada; nearest relative Etta Melson, Bethune

1920 OR CENSUS Roy S. Melson (36y, b Oregon, bank teller) enumerated with wife Etta H. (30y, b Kansas), 3 children, Lewis B. (5y, b Oregon), Ruth L. (3y8m, b Oregon) and Evaline J. (1m, b Oregon) and his mother Mary A. (59y, b Missouri, widowed)

1930 OR CENSUS - Roy S. Melson, age 45, occupation restaurant operator, b. Oregon, is enumerated with his wife, Etta H., age 40, b. Kansas, along with Lewis B., age 16, b. Oregon, Ruth L., age 18, b. Oregon, Evelyn J., age 10, b. Oregon, and David L., age 5, b. Oregon.

1940 OR CENSUS Roy S. Melson (56y, b Oregon, county commissioner) enumerated with wife Etta (50y, b Kansas) and 4 children, all born in Oregon Lewis (26y), Ruth (23y, secretary), Evelin (20y, secretary) and David (15y); family was living in same house in 1935

WWII Draft Registration Card Roy Samson Melson, 59y, of Rt 2, Box 48, Salem, Marion co, Oregon; b 19 Dec 1883, Heppner, Oregon; person who knows address Mrs Etta Melson, same address

1950 OR CENSUS Roy S. Melson (66y, b Oregon, farmer) enumerated with wife Etta (60y, b Kansas)

OSBH DC (1955 Marion Co) #8282 Roy S. Melson, male, farmer, married, spouse Etta Melson; b 19 Dec 1883, Oregon; father James A. Melson; mother Mary Gibson; d 24 July 1955, OSH, of 4400 N River Road, Salem, age 71y; informant Ruby Mills 

ROY MELSON SUCCUMBS TO LONG ILLNESS 
Roy S. Melson, 71, former Marion County commissioner and long active in business circles of the area, died Sunday night at a Salem hospital after a long illness. His home was at 440 N. River Rd. 
Melson served as county commissioner from 1932 to 1940. Prior to that he was prominently identified with the book store business in Salem. He was in partnership for a time with A. A. Gueffroy in the Commercial Book store and later was a partner in construction of the Atlas book firm, now Needham’s. 
A resident of the Salem area for about 65 years, Melson was born at Heppner, Ore., Dec. 19, 1883. He moved to this sector with his parents when a boy of six and was a 1912 graduate of Willamette Law School. He was married to the former Etta Welch here in 1913 and she survives him.
Oregon Statesman 26 July 1955 1:1 

ROY MELSON FUNERAL DUE ON WEDNESDAY 
Roy S. Melson, 71, who died here Sunday night, was long active in Salem business affairs and was a former Marion County commissioner, serving in this capacity for eight years. 
After graduation from Willamette Law School in 1912, Melson served for approximately 10 years with the old Capital National Bank before going into the book store field. In retirement for the past 16 years, he had operated a farm in the Keizer area up to his illness and developed the Greenwood addition in that sector. 
He was a member of Masonic Lodge No. 4, AF & AM, the Elks and Keizer Community Church. Surviving in addition to the widow are two daughters, Mrs. Evelyn Franz and Mrs. Ruth Hill, both of Salem; sons, David l. Melson, Salem, and Comm. Lewis B. Melson, U.S. Navy; sister, Mrs. Etta Harris, Salem; niece, Mrs. June Simmons, Portland, nephews, Robert Eyre, Santa Barbara, Calif., and Ralph Eyre, Salem, and eight grandchildren. Funeral services will be held at Clough-Barrick Chapel Wednesday at 1:30 p.m. The Rev. Robert Goertz will officiate and interment will follow at Pioneer Cemetery.
Oregon Statesman 26 Jul 1955 5:2

Melson
Roy S.
1883 - 1955
[shares marker with Etta]

LR 

OSBH DC (1955 Marion Co) #8282
1900 OR CENSUS (Marion Co., Englewood, ED 143, sheet 1B)

1910 OR CENSUS (Marion Co, Salem, ED 226, sheet 7A)

Oregon Marriage Records (Ancestry.com)

WWI Draft Registration Card (Ancestry.com)

1920 OR CENSUS (Marion Co, Salem, ED 349, sheet 5A)

1930 OR CENSUS (Marion Co., Fairgrounds, ED 31, sheet  2A)

1940 OR CENSUS (Marion Co, Hayesville, ED 24-31, sheet 4B)

WWII Draft Registration Card (Ancestry.com)

1950 OR CENSUS (Marion Co, Other Places, ED 24-73, sheet 19)

OS 26 July 1955 1:1
OS 26 July 1955 5:2