The construction date of the house at 40 Summer Street in Ipswich is listed by the Ipswich Historical Commission as approximately 1880. In the 1910 Ipswich map this house is #38.
The 1872 and 1884 Ipswich maps show the owner of the house on this lot as Denison Rust. The 1910 Ipswich map shows the owner as V. E. Rust. This house does not appear in the 1856 Ipswich map.
The first legal document for this house on Salem Deeds online shows Denison Rust (Grantor) and the Ipswich Savings Bank (Grantee) of a mortgage for a house on Summer Street in 1902. Denison Rust was born August 27, 1827 in Ipswich and was the son of Harriet F. and Denison Rust, and grandson of Nathaniel Rust. Denison Rust deeded the house to Vallancourt E. Rust in 1906. Vallancourt Eugene Rust (born 1859) is listed as the clerk of the Ipswich Fire Company.
In the late 20th Century this house was owned by the Brockelbank family.
Sources:
Historic Ipswich 