Biography:

Sophia Chew Nicklin Dallas (June 25, 1798 – January 11, 1869) was the wife of Vice President George Mifflin Dallas who served under President James K. Polk. She was the daughter of Philadelphia merchant Philip Nicklin and Julianna Nicklin (née Chew), and the granddaughter of Benjamin Chew.

George and Sophia Dallas wed in 1816 and had eight children. Mrs. Dallas disliked Washington, D.C., and during her husband's term as Vice President, remained mostly in Philadelphia except for occasional visits to the capital.