What is John W. Geary?
{{Infobox officeholder |birthname = John White Geary |image = Gearysfmayor.jpeg |caption = |order1 = 1st |office1 = Mayor of San Francisco |term_start1 = May 1, 1850 |term_end1 = May 4, 1851 |order2 = 3rd |office2 = Territorial Governor of Kansas |term_start2 = September 9, 1856 |term_end2 = March 20, 1857 |predecessor2 = [[Wilson Shannon]] |successor2 = [[Robert J. Walker]] |order = 16th |office = Governor of Pennsylvania |term_start = January 15, 1867 |term_end = January 21, 1873 |predecessor = [[Andrew Gregg Curtin]] |successor = [[John F. Hartranft]] |deputy = |predecessor1 = Postition established |successor1 = [[Charles James Brenham]] |birth_date = {{birth date|1819|12|30|mf=y}} |birth_place = [[Westmoreland County, Pennsylvania|Westmoreland County]], [[Pennsylvania]] |death_date = {{death date and age |1873|2|8|1819|12|30}} |death_place = [[Harrisburg, Pennsylvania|Harrisburg]], Pennsylvania |constituency = |party = [[Democratic Party (United States)|Democrat]]; [[United States Republican Party|Republican]] |spouse = Margaret Ann Logan (widowed); Mary Church Henderson |profession = Teacher, Clerk, Land Speculator, Engineer, Soldier |signature = John W Geary Signature.svg |footnotes = |nickname = |allegiance = |branch = [[United States Army]]<br />[[Union Army]] |serviceyears = 1846–1848, 1861–1865 |rank = [[File:Union Army brigadier general rank insignia.svg|35px]] [[Brigadier general (United States)|Brigadier General]]<br />[[File:Union Army major general rank insignia.svg|35px]] [[Brevet (military)|Brevet]] [[Major general (United States)|Major General]] |unit = |commands = |battles = [[Mexican–American War]]<br>[[American Civil War]] |awards = |military_blank1 = |military_data1 = |military_blank2 = |mi