McKean's first political office was deputy Attorney General to Sussex County in 1756. In 1757, appointed clerk of the Assembly of Delaware, then elected as a delegate. He would serve as trustee of the loan office. In 1772, he was chosen Speaker of the Assembly of Delaware. In 1775, a delegate to the Stamp Act Congress. During Congressional session of 1776, he was a member of the committee to state the rights of the colonies as well as a member of the secret committee to contract for the importation of arms.<ref>[http://virtualology.com/declarationofindependence/ThomasMcKean.com/ Thomas McKean, Virtuology.com]</ref> McKean was adamant that the British King had no standing with the colonies, "no right to regulate American affairs in any way." | McKean's first political office was deputy Attorney General to Sussex County in 1756. In 1757, appointed clerk of the Assembly of Delaware, then elected as a delegate. He would serve as trustee of the loan office. In 1772, he was chosen Speaker of the Assembly of Delaware. In 1775, a delegate to the Stamp Act Congress. During Congressional session of 1776, he was a member of the committee to state the rights of the colonies as well as a member of the secret committee to contract for the importation of arms.<ref>[http://virtualology.com/declarationofindependence/ThomasMcKean.com/ Thomas McKean, Virtuology.com]</ref> McKean was adamant that the British King had no standing with the colonies, "no right to regulate American affairs in any way." |