The McKinnon and Ruble Families Papers include records of a physician and rancher in the California Delta region during the
late nineteenth and early twentieth centuries. The papers focus on the life and career of Aloysius John McKinnon, M.D. (1870-1933),
upon the Ruble family of his wife Mary Elizabeth "Lizzie" Ruble McKinnon (1875-1916), and upon the lives of their children
as related to their Rio Vista, California family home and ranch near the Sacramento River. The bulk of the material spans
the years 1890 to 1984 and includes correspondence, photographs, ranch records, medical practice records, medical equipment,
and a family library.
Aloysius John McKinnon (1870-1933) was born in San Francisco to Daniel A. and Catherine MacDonald McKinnon. Aloysius had three
older siblings: Louise (Sister Mary Emerentiana), Augustine (Brother V. Leo), and William Bernard. Circa 1890, Aloysius joined
his family's well-established San Francisco lumber and shipping business, MacDonald and McKinnon. In 1900, while studying
medicine at the University of California, Medical Department in San Francisco, Aloysius married Mary Elizabeth "Lizzie" Ruble
(1875-1916). The couple had been introduced by Aloysius' cousins, St. Joseph's parish priests at the Delta farming community
of Rio Vista, California, where the Ruble family resided. Aloysius received his medical degree in 1903 from the University
of California. He and Lizzie maintained an apartment on Sanchez Street in the Mission District of San Francisco unti 1904
when they permanently relocated to Rio Vista. Dr. McKinnon practiced medicine from his Front Street office and later from
an office in his Rio Vista home.
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