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Male, born 1922-05-28, died 2005-11-12

Associated with the firms network

Jones, Stanley and Theriault, Architects; Simonson, A.F., Architect; Steinhart, Stanley and Theriault, Architects; Steinhart, Stanley, Theriault and Anderson, Architects; Steinhart, Theriault and Anderson, Architects; Steinhart, Theriault and Associates

Professional History


1st Lieutenant, US Army Air Forces (USAAF), World War II. Theriault enlisted on 04/24/1943, and was stationed at the Santa Ana Army Air Base (SAAAB), Santa Ana, CA, and at the Walker Army Airfield, Hays, KS. According to his obituary published in the South Whidbey Record, "Theriault flew 35 missions in the Pacific during World War II, sometimes flying 18 hours over open ocean. He was the recipient of the Distinguished Flying Cross and the Air Medal." (See South Whidbey Record, "Robert D. Theriault," accessed 04/24/2017.) Theriault was decommissioned from the USAAF in 12/1945.

Draftsman, E.G. Putnam, Engineer, Seattle, WA, c. 1950.

Designer, A.F. Simonson, Architect, Seattle, WA, 1950-1952; Architect, [Arden C.] Steinhart and [Roy C.] Stanley, Architects, Seattle, WA. 1952-1953.

Partner, Steinhart, Stanley and Theriault, Architects, Seattle, WA, 1953-1954.

Partner, Steinhart, Stanley, Theriault and Anderson, Architects, Seattle, WA, 1955-1956.

Partner, Steinhart, Stanley and Theriault, Architects, Seattle, WA, 1957- 1970.

Partner, Steinhart, Theriault and Associates, Architects, Seattle, WA, 1971-c. 1985.

Partner, Steinhart, Theriault and Courage, Architects, Seattle, WA, c. 1989.

Upon graduation, Theriault worked for the engineering office of E.G. Putnam where he gained valuable experience. He then took a job as a drafter/designer for architect Alfred F. Simonson (1950-1952).

Professional Activities

Theriault became a Registered Architect in the State of WA in 1950.


High School/College

Graduate, Lincoln High School, Tacoma, WA, 1940. Theriault was a diver on the school's diving team and a tennis player.

Coursework, University of Puget Sound (UPS), Tacoma, WA, 1942-1943. He was a member of the Delta Kappa Phi Fraternity at UPS.

B.Arch., University of Washington, Seattle (UW), Seattle, WA, 1950.



Theriault was born in Tacoma, WA, in 1922; in that year, his parents resided at 2004 I Street in Tacoma. (See Tacoma, Washington, City Directory, 1922, p. 671.) An obituary indicated that he had been born in Sacramento, CA, although this does not appear to have been correct.

The Theriault Family resided in Sacramento, CA, for several years from at least 1923 until 1926. Robert lived with his parents and sisters at 2117 29th Street in Sacramento, CA. (See Sacramento, California, City Directory, 1926, p. 508.)

In 1930, Theriault lived with his family at 2004 I Street South, Tacoma, WA; the family owned its own house--valued at $2,000--located in a working class section of town. (See, Source Citation Year: 1930; Census Place: Tacoma, Pierce, Washington; Roll: 2512; Page: 10A; Enumeration District: 0169; Image: 300.0; FHL microfilm: 2342246, accessed 04/24/2017.) They remained in this house in 1940, as well. (See, Source Citation Year: 1940; Census Place: Tacoma, Pierce, Washington; Roll: T627_4390; Page: 6B; Enumeration District: 42-48, accessed 04/24/2017.)

His last residence was at 1980 East Bay Vista Place, Freeland, WA, on Whidbey, Island.

Theriault was buried in the Tahoma National Cemetery, Kent, WA.


His father was Isidore Theriault (born 07/29/1892 in Tacoma, WA-d. 02/28/1971 in the same city), a house carpenter, and his mother, Helen A. Beaumont Theriault (1897-1974), who managed the household. (In 1917, Isidore worked as a shipwright for the Olympia Shipbuilding Company, Olympia, WA. [See, Source Citation Registration State: Washington; Registration County: Thurston; Roll: 1992176, accessed 04/24/2017.]) His father's father came from MN, his paternal grandmother from Norway; Helen's father was born in IL, her mother in Scotland. Isidore had an 8th-grade education, while Helen had had two years of high school.

Isidore and Helen married on 08/27/1921 in Tacoma, WA, and had 3 children: Robert D., Margaret (born 10/08/1923 in Sacramento, CA) and Betty Marie Theriault Maddox (born 09/23/1925 in CA-d. 2016 in Lacey, WA).(See Source Information Washington, Marriage Records, 1854-2013 [database on-line]. Provo, UT, USA: Operations, Inc., 2012, accessed 04/24/2017.)

Isidore's name was often misspelled "Isadore."


He married Jane L. Theriault.


He and Jane had three sons: Jeffrey, Brion and Robert.

Biographical Notes

Theriault owned a sailboat and was an avid sailor.

SSN: 536140262.

Associated Locations

PCAD id: 4852