McFarlin and Monell's Art Gallery was a daguerrotype and photograph studio in San Luis Obispo from approximately 1870 to 1871. 
The studio was located on Monterey Street and Osos, across from the Eagle Hotel and was operated by S. G. McFarlin and W. D. Monell.
Monell advertised that he was leaving the county in May 1871.2
1. San Luis Obispo Tribune (Weekly), 1 January 1870, pg. 2
2. San Luis Obispo Tribune (Weekly), 20 May 1871, pg. 2
