William Cox Ellis (May 5, 1787 – December 13, 1871) was a member of the United States House of Representatives from Pennsylvania. Biography William Cox Ellis was born in Fort Muncy, Pennsylvania, son of William and Mercy Cox Ellis. He attended the public schools, and graduated from the Friends’ School near Pennsdale, Pennsylvania, in 1803. He was deputy surveyor general from 1803 to 1810 and cashier of the Union and Northumberland County Bank from 1810 to 1818. He studied law, was admitted to the bar in 1817 and commenced practice in Muncy, Pennsylvania. He married Rebecca Morris in 1810. Political career Ellis was elected as a Republican in 1820 to the Seventeenth Congress, but resigned before the Congress assembled. He was an unsuccessful candidate for reelection to fill the vacancy caused by his own resignation. Ellis was elected as a Jackson Federalist candidate to the Eighteenth Congress. He was a member of the Pennsylvania House of Representatives in 1825 and 1826. He became affiliated with the Republican Party in 1856. He resumed the practice of law in Muncy and died there in 1871. Interment in Muncy Cemetery. References External links The Political Graveyard 1787 births 1871 deaths Politicians from Williamsport, Pennsylvania Pennsylvania Republicans Federalist Party members of the United States House of Representatives from Pennsylvania Democratic-Republican Party members of the United States House of Representatives from Pennsylvania Jacksonian members of the United States House of Representatives from Pennsylvania 19th-century American politicians