The son of Samuel Thomas McGinnis and Julia Belle Shrout McGinnis of West Virginia, grandson of William J. McGinnis and Mary Wolf McGinnis.
Arnold was the brother of Minnie, Eugenius Guy, Mattie, Mary, Harry, Peter, and Enos Clarence McGinnis.

1st Lieutenant, Spanish American War.
He sketched "CO H 2nd WV" in family notebook, but he may have served in more than one unit.
Mention is made of his promotion from First Sergeant of Co. G to Second Lieutenant of same in the Charleston Daily Mail issue of 10 July 1916.

His first wife, and mother of five of his children, was Gertrude May Wolfe McGinnis, of Preston county, West Virginia. They were divorced in 1927.

His second wife was Pearl Alice Hess Blair, a widow he married in 1928.

From the obituary, passed down through family, unsure of the newspaper:

ARNOLD J. (Mac) McGinnis, 69, of 107 Third Street, died Saturday at 4:30 p.m.* in Vincent Palotti Hospital. He was a native of Preston County, but had been a resident of Morgantown more than 30 years.
McGinnis was a veteran of the Spanish-American War and the First World War, and a member of the C.W. Cramer Spanish American War Camp in Morgantown, and the Junior Order of United American Mechanics in Albright.
Surviving are his widow, Mrs. Pearl A. McGinnis; four sons, William, Harley, Richard, and Jess, all of Tunnelton; a stepson, C. Fred Blair of Morgantown; a sister, Mrs. Mattie Romesburg of Dellslow; four brothers, Clarence of Kingwood, P. H. of Kingwood, Harry of Albright, and Guy of Salem; 14 grandchildren and four greatgrandchildren.
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There is a ten minute time difference in the following footnote elsewhere in printed material:

MCGINNIS, Arnold J. (Mac), 69, of 107 Third Street, died Saturday at 4:20 p.m. in Vincent Palotti Hospital. Services were held today at 2:30 p.m. in Dering Funeral Home, the Rev. Job Jones officiating. Interment in Lawnwood Cemetery.

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Photographs taken by Arnold of his family have been handed down and treasured. The photographs of Arnold himself show him to have been active AND photogenic. He drove trucks, mined, sketched, hunted, fished, and participated in the Civilian Conservation Corps. He was a supervisor during some of those years. He wrote a fine, legible hand, usually with a fountain pen. Postcards sent by Arnold still retain their ink, though some bore 1 cent stamps.

Photos, cropped, PROPERTY OF THE FAMILY.