He was born in New Lebanon, New York on October 4, 1848. In 1873 he worked for the New York Times. He was elected to the United States House of Representatives from California and served from March 4, 1917, until his death. Osborne died at age 74 in Los Angeles, California. He is interred in Angelus-Rosedale Cemetery.
- "Captain Henry Z. Osborne. Congressman From California Worked Here Fifty Years Ago". New York Times. February 10, 1923. Retrieved 2015-02-12.
- United States Congress. "Henry Z. Osborne (id: O000112)". Biographical Directory of the United States Congress.
|U.S. House of Representatives|
Henry S. Benedict
| Member of the U.S. House of Representatives
from California's 10th congressional district
John D. Fredericks
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