P.A. Borston 
(say 1825 - )
P.A. was born in Canada say 1825.1 He was a resident in the household of Osgood Mussey Morse in the 17 October 1850 census taken in Calaveras District, Calaveras County, California, a miner age 25.
Cited documentation
- [S227] Morse, Osgood M., 1850 US Census, Calaveras District, Calaveras County, California; NARA M432 Roll 33, sheet 309 pg. 156, age 25, b. "Canada."