Benson Leavitt (acting mayor) Whig Josiah Quincy Jr. Whig The December 1845 Boston mayoral election saw the election of Whig Party nominee Josiah Quincy Jr.

It was held on December 8, 1845.

[1] Quincy's majority over Know-Nothing nominee Darrell led The Boston Post to run the headline "Nativeism deceased of the Quincy".

[2] The Whig Party overwhelmingly triumphed in the other coinciding municipal elections.

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