Member Biography

Robert Alonzo Baldwin Sr.

Sessions Office Position District Party
1858       16 Republican
1859       16 Republican
1860       16 Republican

COUNTIES: Lancaster  


07/12/1805 - 01/30/1888

Robert Alonzo Baldwin, Sr. (R16) Lancaster County 1858-1860 

Early Life:

Robert Alonzo Baldwin, Sr., born July 12, 1805, West Bradford Township, Chester County, Pennsylvania; son of Levi and Edith Chalfant Baldwin; moved, Salisbury Township, Lancaster County, Pennsylvania, 1827; engaged, dry goods merchant, proprietor, Baldwin’s Store, Salisbury Township, Lancaster, Pennsylvania, 1830-1882; married, Harriet DeHaven White, 1843, children, Alfred Clement “A. C.” Baldwin, Robert Alonzo Baldwin, Margaret B Baldwin Oberholser; elected, Whig, Pennsylvania House of Representatives, 1850-1851; elected, Republican, Pennsylvania State Senate, 1858-1860; director, Parkesburg National Bank, 1871-1888; died, January 31, 1888 (aged 82) Salisbury Township, Lancaster County, Pennsylvania; interment, Saint John's Episcopal Church Cemetery, Compass, Chester County, Pennsylvania. 

Early Career:

Dry goods merchant, proprietor, Baldwin’s Store, Salisbury Township, Lancaster, Pennsylvania, 1830-1882. 

Professional titles; business ownership; board memberships; local government; club memberships:

Vestryman, Saint John's Episcopal Church

Pennsylvania Politics:

Elected, Whig, Pennsylvania House of Representatives, 1850-1851. 

Elected, Republican, Pennsylvania State Senate, 16th district, Lancaster County, 1858-1860. 


Son, Alfred Clement “A. C.” Baldwin, member, Pennsylvania House of Representatives, Lancaster County, 1887-1892.

Pennsylvania State House of Representatives Biography:

Official Website - PA House Archives Official Website (


Cox, Harold. "Senate Members B"Wilkes University Election Statistics ProjectWilkes University.

The Inquirer (Lancaster, Pennsylvania) Saturday February 4, 1888, Page 1

Robert Alonzo Baldwin Sr. (1805-1888) - Find a Grave Memorial