List of pre-statehood mayors of San Diego
Alcaldes of the Pueblo of San Diego
San Diego became a pueblo in 1834, after a petition to Governor José Figueroa endorsed by Commandant Santiago Arguello. The first Alcalde (mayor) Juan María Osuna was elected, defeating Pío Pico by 13 votes.

List of pre-statehood mayors of San Diego

Section Title: Alcaldes of the Pueblo of San Diego
Table Section Text: San Diego became a pueblo in 1834, after a petition to Governor José Figueroa endorsed by Commandant Santiago Arguello. The first Alcalde (mayor) Juan María Osuna was elected, defeating Pío Pico by 13 votes.

Alcalde	Term	Notes

Juan María Osuna	January 1, 1835 – 1836	1st time

Santiago Argüello	1836–1837	Also last full-time Commandant

José Antonio Estudillo	1837–1839	1st time; previously Commandant

Juan María Marrón	1839–1841	1st time

Rosario E. Aguilar	1841	Juez de Paz

Jesús Moreno	1841	Suplente

José Antonio Congora	1842	Juez de Paz; 1st time

José María Alvarado	1842	Suplente

José Joaquin Ortega	1843 – May 1843	Juez de Paz; 1st time

José Antonio Congora	May 1843 – 1843	Juez de Paz; 2nd time

José María Orozco	1843	Suplente

Juan María Marrón	1844	Juez de Paz; 2nd time; b. February 8, 1808

Thomas Wrightington	1844	Suplente; 1st time

Francisco María Alvarado	1845	Juez de Paz

José Antonio Estudillo	1845	Juez de Paz (temporary); 2nd time

José Ramon Argüello	1845 – April 1845	Suplente

José Antonio Estudillo	April 1846 – 1846	Sub-prefect; 3rd time; served until arrival of Americans

Juan María Osuna	1846	Juez de Paz; 2nd time(?); at first declined office, possibly did not act

Miguel Pedrorena	1846	Juez de Paz; served in Estudillo's absence

José Joaquin Ortega	August 1846 – August 1846	Juez de Paz; 2nd time; 1st under American rule

Henry D. Fitch	August 1846 – June 1847	Suplente; Juez de Paz in 1847

Lt. Robert Clift, Jr.	June 1847 – 1847	Suplente; also Juez de Paz to March 1848

Philip Crosthwaite	1847	Suplente; possibly appointed with Fitch

Thomas Wrightington	1847 – March 1848	Suplente; 2nd time; possibly served in Crosthwaite's place

Juan Bandini	March 29, 1848 – September 27, 1848	Juez de Paz

E. L. Brown	April 15, 1848 – 1848

Juan María Marrón	October 3, 1848 – 1849	Juez de Paz

Dennis Gahagan	1849–1850	Alcalde

Thomas W. Sutherland	March 1850 – 1850	Acting Alcalde

Sentence(s)

In 1847, Crosthwaite was appointed Suplente of San Diego.

final_sentence: In 1847, Crosthwaite was appointed Suplente of San Diego.