Miller:      40–50% Simeon S. Pennewill Republican Charles R. Miller Republican The 1912 Delaware gubernatorial election was held on November 5, 1912.

Though Republican Governor Simeon S. Pennewill was eligible for re-election, State Senator Charles R. Miller was nominated by the state Republican convention.

[1] With the nationwide rise of the Progressive Party, Delaware Republicans were keen to not lose the race due to a strong showing by a Progressive candidate; Miller was seen as amenable to all factions of the Republican Party and to Progressives.

[2] In the general election, Miller faced Democratic nominee Thomas M. Monaghan,[3] who had been elected as State Senate President in a majority-Republican chamber as the result of a coalition agreement with Progressives,[4] and Progressive nominee George B.

[5] With three strong candidates running, the general election was close.