Dennis Gahagan

Dennis Gahagan
Alcalde of San Diego
In office
1849–1850
Succeeded byJoshua Bean
Personal details
Bornc. 1817
Ireland
NationalityAmerican
OccupationSoldier, Judge, Politician
Known forAlcalde (Mayor) of San Diego, Judge of the First Instance
Military service
UnitFirst U.S. Artillery (Magruder's Battery)
Battles/warsMexican–American War

Dennis Gahagan (born c.1817) was an immigrant in the Mexican Pueblo de San Diego in territorial California, and early settler in the City of San Diego in the new U.S. state of California.