Joseph Albert McGinnies (November 7, 1861 County Down, Ireland - 1945) was an American businessman and politician.
At the age of sixteen, Joseph McGinnies began working at the drugstore of Dr. Simons in the village of Ripley, learning the pharmacist's profession, and after five years as a clerk in the store he became its proprietor.
They had one daughter, Clara Elizabeth, who studied at Syracuse University, from which she was graduated Bachelor of Arts.
About 1897, he began organizing the Chautauqua and Erie Grape Growers' Association, based in Westfield, New York, of which he was for many a director, secretary-treasurer and manager.
In 1905, he changed parties, and became a Republican, but continued to be re-elected to the County Board of Supervisors annually for more than 20 years.