| Prescott F. Cogswell | |
| Birth Date: | 23 October 1859 |
| Birth Place: | Thamesford, Ontario, Canada |
| Death Place: | El Monte, California |
| Residence: | Los Angeles |
| Office1: | Member of the Los Angeles County Board of Supervisors |
| Constituency1: | First District |
| Term Start1: | 1918 |
| Term End1: | 1926 |
| Predecessor1: | John. J. Hamilton |
| Successor1: | Fred T. Beaty |
| State Senate2: | California |
| District2: | 33rd |
| Term2: | January 6, 1913 - January 8, 1917 |
| Preceded2: | Louis H. Roseberry |
| Succeeded2: | Joseph A. Rominger |
| State Assembly3: | California |
| District3: | 68th |
| Term3: | January 7, 1907 - January 6, 1913 |
| Preceded3: | William A. Johnstone |
| Succeeded3: | William A. Johnstone |
| Party: | Progressive |
| Alma Mater: | Albert University |
| Spouse: | Jane Belcher(m. 1885, d. 1898) Isabel Adams (m. 1925) |
| Children: | Frederick, Harold, Irene, Prescott and Horatio |
Prescott Franklin Cogswell (October 23, 1859 – January 15, 1960) served in the California legislature for the 33rd District for the 40th and 41st Sessions.
Cogswell was born in Thamesford, Canada West on October 23, 1859.[1] [2] [3]
He was a member of the California State Assembly from 1906 to 1912, and of the California State Senate from 1912 to 1916.[2]
From 1918 to 1926, Cogswell served on the Los Angeles County Board of Supervisors.[1]
He died in El Monte, California on January 15, 1960.[4]
A reservoir on the San Gabriel River was named in his honor.