Upon his return to New Zealand in 1874, he was employed as a farmer in Springfield, Ellesmere, and Brookside, until he inherited his father's farm in Halswell upon his death in 1874.

[8] When William Pember Reeves' appointment as Agent-General to the United Kingdom caused a vacancy in the City of Christchurch electorate, Lewis was on the committee of the National Association (i.e. the opposition) and was part of a small majority that decided that the resulting 1896 by-election should be contested by conservative interests.

[8] During the parliamentary recess, Lewis invited the electorate to a meeting on 3 June 1901 to present his views for the upcoming session.

Queen Victoria had died earlier in the year, and the royal tour of Prince George, Duke of Cornwall and York and his wife Mary were about to visit Christchurch, and as The Press noted, there was little interest in politics at the time.

[11] Consequently, the speech was poorly attended—only about 60 people turned up—and Lewis was so disappointed about the lack of support by the constituency that on 7 June, he sent his resignation to the Speaker of the House.