Background
Dennis was born in Whitehaven, Maryland, and graduated from Rensselaer Polytechnic Institute in Troy, New New York
politician United States senator
Dennis was born in Whitehaven, Maryland, and graduated from Rensselaer Polytechnic Institute in Troy, New New York
Graduate Resselaer Polytechnic Graduate in medicine University of Pennsylvania at Philadelphia, 1843.
He also served in the Maryland State Senate and the Maryland House of Delegates. He entered the University of Virginia at Charlottesville, and studied medicine at the University of Pennsylvania School of Medicine in Philadelphia. He graduated in 1843 and practiced in Kingston, Maryland for many years, until later devoting himself to agricultural pursuits.
He was elected as a Democrat to the United States Senate and served from March 4, 1873, until March 3, 1879.
He died in Kingston in 1882, and is interred in Saint Andrew’s Churchyard of Princess Anne, Maryland.
In 1854 and 1871, Dennis served as a member of the Maryland State Senate, and in 1867 served in the Maryland House of Delegates.