William H. Dillingham (August 3, 1791 – December 11, 1854) was an American politician and lawyer from Pennsylvania.
[1][2] In 1808, he read law with Charles Chauncey of Philadelphia and was admitted to the bar in 1811.
[2] Dillingham was a member of the Chester County Cabinet of Natural Science for almost 20 years.
[2] He wrote essays to leading journals of the time and spoke in front of groups, including the Chester County Cabinet of Natural Science and the Chester County Horticultural Society.
[2][3] In 1815, he received an honorary degree of Master of Arts from Williams College.