Tomás O'Horán y Escudero

Tomás O'Horán
Tomás O'Horán
Governor of the State of Mexico
	In office; 1862–1862
President	Benito Juárez
Preceded by	Pascual González Fuentes
Succeeded by	Francisco Ortiz de Zárate
Mayor of Mexico City
	In office; September 30, 1866 – June 14, 1867
Monarch	Maximiliano I of Mexico
Preceded by	Mariano Icaza
Succeeded by	Porfirio Díaz
Personal details
Born	January 11, 1819; Guatemala City, Captaincy General of Guatemala, Viceroyalty of New Spain
Died	August 21, 1867 (aged 48); Mexico City, Mexico
Military service
Allegiance	Centralist Republic of Mexico; Second Federal Republic of Mexico; Second Mexican Empire
Branch	Mexican Army; Imperial Mexican Army
Years of service	1836 – 1867
Rank	General
Battles/wars	Texas Revolution; Pastry War; Mexican–American War Northern Mexican Theater Battle of Buena Vista; ; ; Reform War; Second Franco-Mexican War Battle of Puebla; Siege of Puebla; Siege of Mexico City ; ;

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Tomás Antonio Ignacio O'Horán y Escudero (1819-1867) was an Imperial Mexican general of Irish descent during the Second French intervention in Mexico. He was known for switching sides during the war as he initially sided with Benito Juárez but after the Siege of Mexico City, O'Horán was executed.