[1] Wirsching was born on February 15, 1846, in Meiningen, Germany, with his family immigrating to the United States in 1852 and settling in Connecticut, where he attended school.

[2] In 1889, Wirsching was elected to the Los Angeles City Council for the newly created 9th Ward.

In 1896, Wirsching was elected to the Los Angeles County Board of Supervisors and assumed office on January 4, 1897.

He was in office until 1901, to which he was succeeded by future Los Angeles mayor George Alexander.

[1] In 1913, Mayor Henry H. Rose announced the appointment of Wirsching to the Board of Public Utilities, assuming office on December 17, 1913.