BIOGRAPHY: Dr. John Campbell SHERIDAN, Cambria County, PA 

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From Wiley, Samuel T., ed. Biographical and Portrait Cyclopedia of Cambria 
County, Pennsylvania. Philadelphia: Union Publishing Co., 1896, p. 347
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DR. JOHN CAMPBELL SHERIDAN, a popular and progressive physician of Johnstown, 
this county, and an Ancient Accepted Scottish Rite Mason, was born December 8, 
1853, in Johnstown. His father is the venerable and highly-respected Dr. 
Campbell Sheridan, whose sketch appears elsewhere. His mother was Emily W. 
Speer, of New England Puritan stock.
     The common schools of Johnstown, Glade Run academy, of Armstrong county, 
Pennsylvania, and the Edinboro State Normal school are the mediums through which 
Dr. Sheridan obtained his mental training and education. The profession of 
medicine, as a means of securing a livelihood, was to his liking, and for the 
purpose of preparing himself for the duties of that profession, he entered Rush 
Medical college, Chicago, Ill., from which he graduated in 1879. He at once 
located in Johnstown and began his life-work in the midst of those with whom he 
had been reared, and from the start has been eminently successful. He possesses 
an affable manner and a sympathetic disposition that make him well liked 
socially as well as professionally. Progressive in everything, whether it 
pertains to the general welfare of the people at large or the elevation of his 
profession, he is a member of a number of organizations whose objects are to 
cultivate fraternal professional feeling and to stimulate scientific research. 
Among them are the following: The Cambria County Medical society, The 
Pennsylvania State Medical society, The National Association of Railway Surgeons 
and The Baltimore and Ohio Association of Railway Surgeons. He is the surgeon 
for the Baltimore & Ohio Railway company, and was one of the incorporators of 
the Conemaugh Valley Memorial hospital, of which he is also one of the board of 
managers and a member of the surgical staff.
     In Masonic circles, no less than as a physician and a citizen, he is 
prominent and popular. He is a member of Cambria Lodge, F. and A. M.; Portage 
Chapter, R. A. M.; Oriental Commandery, Knights Templar, Syria Temple 
(Pittsburg), Ancient Arabic Order Nobles of the Mystic Shrine, and is an Ancient 
Accepted Scottish Rite Mason.
     In those emergencies which arose in connection with the memorable flood of 
1889, in which medical assistance and surgical aid were necessary, Dr. Sheridan 
was most prompt to render whatever assistance was within his power, and as 
director of the Bedford Street hospital, did most efficient service. He was 
appointed medical inspector by the State, in which capacity he rendered valuable 
aid and contributed largely towards securing proper sanitary conditions for the 
city. He served also as surgeon of the Fifth regiment, N. G. P., with the rank 
of surgeon-general. From 1890 to 1894 he was a member of the board of pension 
examiners for Cambria county.
     Dr. Sheridan and Etta C. Haight, daughter of William R. Haight, of 
Earlville, Illinois, were united in marriage, and their union has been blessed 
in the birth of four children: Emily Eula, Jessie Ruth, John and William 
Rutherford.