Pennsylvania: Governors: 1790-1867

Governor of the Commonwealth of Pennsylvania
21 Dec 1790 - 16 Dec 1799	Thomas Mifflin [1]
17 Dec 1799 - 19 Dec 1808	Thomas McKean [1][2]
20 Dec 1808 - 15 Dec 1817	Simon Snyder
16 Dec 1817 - 18 Dec 1820	William Findlay
19 Dec 1820 - 15 Dec 1823	Joseph Hiester
16 Dec 1823 - 14 Dec 1829	John Andrew Shulze
15 Dec 1829 - 14 Dec 1835	George Wolf
15 Dec 1835 - 14 Jan 1839	Joseph Ritner
15 Jan 1839 - 20 Jan 1845	David Rittenhouse Porter
21 Jan 1845 - 9 Jul 1848	Francis Rawn Shunk
9 Jul 1848 - 19 Jan 1852	William Freame Johnston [3]
20 Jan 1852 - 15 Jan 1855	William Bigler
16 Jan 1855 - 18 Jan 1858	James Pollock
19 Jan 1858 - 14 Jan 1861	William Fisher Packer
15 Jan 1861 - 14 Jan 1867	Andrew Gregg Curtin

Also in the United States.
Also in Delaware.
Following the resignation of Governor Shunk, the functions of the office devolved on Speaker of the Senate Johnston who was absent from the seat of government. He arrived in Harrisburg and took the oath of office on 26 Jul 1848.