Group of Jewish migrants, refugees from eastern Europe and urban labor struggles in the eastern U.
S.,start a new life as chicken ranchers in and around Petaluma.
Logging and shipping become major activities in the 19th century as mill products are sent south by schooners.
Jasper O'Farrell buys Jonive Rancho (Sebastopol.) He names his holdings the Annaly Rancho, eventually turned into Analy.
O'Farrell provides for the building of the first Catholic church, with Father Rossi in charge, andlays out a general merchandise store operated by Bodega's Mc Caughey brothers. Mariano Vallejo elected Sonoma district's first state senator (district includes Mendocino County until 1859.) Numerous squabbles over land, including cost of court battles, cause major economic losses for Vallejoover a number of years.