Oregon Death Index.
Name: William Lew Allen.
Age: 95.
Death Date: 3 April 1969.
Death Place: Multnomah County.
Spouse: Martha.
Certificate: 5832.

U.S., Social Security Applications and Claims Index.
Name: William Lewis Allen.
Birth Date: 8 March 1895.
Claim Date: 12 January 1960.
Type of Claim: Life Claim.
Notes: 13 April 1979: Name listed as WILLIAM LEWIS ALLEN.

The Oregonian, Portland, Oregon, Friday, April 4, 1969, Funeral Notices.
ALLEN--William L., 15656 SE Division, Sp 46; father of Paul E. Allen, city; 10 grandchildren.
ALLEN--Martha; mother of Paul E.; 10 grandchildren. Services Monday, Apr 7, 1 pm, at the Pearson Mortuary, 223 SE 122nd Ave. Vault entombment Lincoln Memorial Park. Member of Mt View Church of the Nazarene.

Colorado, County Marriages and State Indexes, 1862-2006.
Name: William Lewis Allen.
Marriage Date: 9 October 1918.
Marriage Place: Denver, Denver County, Colorado.
Spouse: Martha Elva Brawner.

WWI and WWII Draft Registration Cards.
Excerpts.
Name: William Lewis Allen.
Born: 8 March 1895 in Rich Hill, Missouri.
In June 1917, he was single and lived in Albin, Laramie County, Wyoming. In 1942, he was living in Corvallis, Benton County, Oregon. He signed as William Lewis Allen.

1900 United States Federal Census, Athens Township, Gentry County, Missouri.
Ethan Allen, Head, Feb. 1863, 37, Married 15 years, born in Missouri, father born in New York, mother's birthplace Unk., Day Laborer.
Margaret A. Allen, Wife, Apr. 1866, 34, Married 15 years, 7 children born, 5 children living, born in Missouri, both parents born in Missouri.
Dennis M. Allen, Son, May 1886, 14, born in Missouri, both parents born in Missouri.
Everett Allen, Son, July 1888, 11, born in Missouri, both parents born in Missouri.
Lewis Allen, Son, Mar. 1895, 5, born in Missouri, both parents born in Missouri.
Mary O. Allen, Dau., Aug. 1897, 2, born in Missouri, both parents born in Missouri.
Frankie Allen, Dau, May 1900, 0/12, born in Missouri, both parents born in Missouri.

1910 United States Federal Census, Lakeview Precinct, Laramie County, Wyoming.
Lewis Allen, age 15, was living with his parents Ethan A and Margaret A. Allen. Also in the home were Lewis' siblings, Mary, age 12, and Beulah, age 9, both born in Missouri.

1930 US Federal Census, Burwell Village, Garfield County, Nebraska.
W. Lewis Allen, Head, age 35, born in Missouri, both parents born in Missouri, Truck Driver, Grain Elevator.
Martha E. Allen, Wife, age 35, born in Iowa, father born in Illinois, mother born in England.
Rosella B. Allen, Daughter, age 8, born in Wyoming, father born in Missouri, mother born in Iowa.
Paul E. Allen, Son, age 7, born in Wyoming, father born in Missouri, mother born in Iowa.

1940 US Federal Census, Plymouth, Benton County, Oregon.
William J. Allen, age 45, and wife, Martha E. Allen, age 45, and their 2 children, Rosella B., age 19, and Paul E., age 17. Both children listed as born in Wyoming.
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NOTE: Names of William's parents, and links to their burial location, provided by DandNWalker 48636324.