- Mae Underwood died in Spokane, Spokane County, Washington.
- Mae Underwood was born in Eugene, Lane County, Oregon.
- She married Adolph Fielding McClaine Jr., son of Fielding McClaine and Sarah F. Porter, in 1886.
- Mae Underwood became a widow at the 4 March 1926 death of her husband Adolph Fielding McClaine Jr.
- The following appeared on 4 March 1926 in the Morning Oregonian: (Spokane, Wash., March 3) Adolph McClaine, 40 years a banker in the Pacific northwest, died this afternoon after an illness of three years or more. Mrs. McClaine was permitted only this morning to return from the hospital where she had been ordered more than a week ago by her physicians, and the son, Fielding McClaine, is so ill of influenza that he can not leave his bed. /P/ A. F. McClaine was born in 1860 at Silverton, Or., where his father was a banker. He graduated from the University of Oregon in 1880 and later, with Albert Coolidge, formed the Coolidge & McClaine bank of Silverton. Mr. McClaine subsequently became president of the National Bank of Commerce in Tacoma and in 1908 came to Spokane to be president of the Traders' National bank and remained with that bank until it consolidated with the Spokane & Eastern Trust company in 1914. He was one of its directors, also vice-president of the Coolidge & McClaine bank and the National bank of Colfax. /P/ In 1886 he married May Underwood, whose father crossed the plains, as did Mr. McClaine's father. Of his immediate family, those living are his widow, a son, A. F. McClaine Jr., in Spokane, two sisters, Mrs. C. W. Keene and Miss Eleanor McClaine of Silverton, Or.
- Mae Underwood died on 31 January 1930.
- The following appeared on 3 February 1930 in the Morning Oregonian: Mrs. Mae Underwood McClaine, 65, who was born in Eugene and was the youngest member of the first class at the University of Oregon in 1876, died at her home in Spokane, Wash., Friday. /P/ Mrs. McClaine was the daughter of Mr. and Mrs. J. B. Underwood, pioneers of Eugene, who owned one of the finest houses in the city in the early days, the building being located where the Oregon hotel now stands on Willamette street, between Fifth and Sixth avenue. Mr. Underwood was a postal agent, having established postoffices in many Oregon towns. /P/ Mrs. McClaine was the widow of the late A. F. McClaine, banker of Spokane. Surviving is a son, Fielding McClaine, and two sisters, Mrs. Margaret Love and Mrs. Nan Taylor, both of Seattle.