The Whigs never won a national or state election, and often their vote was only about one-half that of the Democrats..
He was arrested in November 1775 by a mob o¢ lawless Whigs, and was kept in prison in Connecticut for six weeks; his parochial.
Becoming prominent among the Whigs, Dowdeswell was made chancellor of the exchequer in 1765 under the marquess of Rockingham, and his short tenure of this position appears to have been a successful one, he being in Lecky's words "a good financier, but nothing more."
In 1839 he made an unsuccessful contest for the United States senatorship. In December of that year the Whigs, relying upon his record in Congress as a sufficient declaration of political faith, nominated him for vice-president on the ticket with William Henry Harrison, expecting that the nomination would win support for the party in the South.
He stood, however, as it were, midway between the two great parties, without the leadership or support of either; Van Buren, whose influence in the practical working of politics was still great, refused to recognize him as a Democrat, and the Whigs repudiated him as a Whig; while with Clay leading the majority in Congress, harmony between that body and the executive was from the first impossible.