Martin O’Brien Jr.
1900 Jefferson
County, MO Census, Rock Township
Martin O’Brien, Physician, Born Nov 1874, Age 25 Married 2
years, MO MO MO
Hulda, Apr 1880,
20, mother of 2, 2 living, MO MO MO
Neoma, Feb 1898
2, MO
Paul, Dec 1899,
5/12, MO
State Board of Health Certificates
Martin Y. O’Brien 1897 St. Louis (college)
Jefferson Democrat Aug. 25, 1898
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M. Y. O'Brien M.D.
Physician & Surgeon
High Ridge, MO
Sundays at Rock Creek Post Office
Jefferson Democrat Aug. 25, 1898
Dr. O'Brien has just completed a costly residence for his family.