Born: 1845 in Litchfield, Michigan
Died: April 8, 1889 in Oakland, CA
~1872: Assistant City Engineer, City of Oakland
~1873: Chief Engineer, Oakland Fire Department
1874: Deputy District Attorney, Alameda County
1875: Deputy City Attorney, City of Oakland
1876: City Attorney, City of Oakland
1877-188?: District Attorney, Alameda County
- Vrooman was attending "Dr. Durant's college" in 1869 when it was formally chartered as the College of California (later UC Berkeley).
Source: History of Political Conventions in California, 1849-1892 by Winfield J. Davis (1893)
Source: "The Legislature." Sacramento Daily Record-Union, 1 January 1883, Page 12.