Posted by SFgenealogy on Wednesday, May 04, 2011 at 19:31:14 :

McMAHON - In this city, January 28, Matthew McMAHON, beloved husband of Catharine McMAHON, a native of Ireland, aged 35 years. Friends and acquaintances are respectfully invited to attend the funeral, this (Sunday) afternoon, at 2 o'clock, from his late residence, Sumner street, between Seventh and Eighth, without further notice.

Source: San Francisco Daily Morning Call, 30 Jan 1870.