[1] The grant extended along Sonoma Creek, south of Santa Rosa from Santa Rosa Creek south to almost Glen Ellen, and encompassed present day Oakmont, Kenwood and Annadel State Park.
In 1845, Wilson moved his family from San Luis Obispo to Rancho Cañada de los Osos & Pacheco y Islay, built an adobe home and lived there until he died in 1860.
[7] With the cession of California to the United States following the Mexican–American War, the 1848 Treaty of Guadalupe Hidalgo provided that the land grants would be honored.
As the son of a ship builder he'd learned the trade and became a cabinet maker before embarking on his international travel.
Looking down to the countryside below, Hood was impressed with the valley and its potential and resolved to make enough money to purchase the property from Wilson.
[13][14] Irishman Captain John Hamilton Drummond (1830–1889), who served in the British army, came to California in 1877, purchased part of the rancho and engaged in sheep raising and viticulture.