Posted by SFgenealogy on Sunday, May 08, 2011 at 18:56:30 :

DUNCAN - In this city, May 15th, Ann, widow of the late Lawrence DUNCAN, aged 74 years and 5 months. (Newark, N.J. Sentinel and Christian Intellegencer N.Y. please copy)...

Source: San Francisco Daily Morning Call, 16 May 1875.