In the 1930 US Census for District 51, Seattle, King County, Washington the family of Martine Damourette was enumerated as follows:
Dwelling #126; Family #127
Damourette, Martine; Head; Rents non-farm home for $45 per month; M; W; 82; Married 32 years; Can read and write; b. Switzerland; Father b. Switzerland; Mother b. Cologne, Germany; Native language French; Immigrated to US in 1873; Speaks English; Manager; Milling company; Was at work on previous workday
Damourette, Jenny E.; Wife; F; W; 70; Married 19 years; Can read and write; b. New York; Father b. New York; Mother b. Canada-English; Speaks English; No occupation