Lockley, Fred. "History of the Columbia River Valley, From The Dalles to the Sea." Vol. 3. S. J. Clarke Publishing Co., 1928. p. 410.
THOMAS MANNIX
Thomas Mannix is numbered among the successful members of the Multnomah county bar and is regarded as an able and trustworthy attorney, commanding a large and representative clientele in Portland, where he has been engaged in the practice for seventeen years. Mr. Mannix was born in county Kerry, Ireland, on the 7th of June, 1879, a son of Michael and Deborah (Moriarty) Mannix, both of whom also were natives of that locality. The family came to the United States in 1883 and located in Boston, Massachusetts, where the father was successfully engaged in mercantile affairs until his death, which occurred in 1894. He is survived by his widow, who now makes her home with her son in Portland.
Thomas Mannix, who was about four years of age when brought to this country, attended the public schools of Cohasset, Massachusetts, graduating from high school, after which he pursued a literary course in Boston University two years. He then entered the law school of that institution, from which he was graduated at the head of his class, with the degree of Bachelor of Laws, in 1903. He began the practice of his profession in Boston, where he remained two years, when he went to Butte, Montana. During the time that he resided there he was identified with mining interests, in addition to his legal work, and in 1909 went to Mexico, where he was actively connected with mining affairs until 1911, when he came to Portland. Here he has devoted his attention closely to the practice of law, in which he has been rewarded with very gratifying results, but is still extensively interested in mining enterprises in Idaho and Mexico, being an officer in several companies.
On April 19, 1906, in Butte, Montana, Mr. Mannix was united in marriage to Miss Marie E. Mullaley, who was born in Virginia City, Nevada, and is a college graduate. Her father, Edward Mullaley, who is a native of Ireland, was long engaged in mining in Nevada, but now lives in Chicago, Illinois, in which city his son, Rev. E. J. Mullaley, is at the head of the Paulist priests. Mr. and Mrs. Mannix are the parents of two children, Marie, born February 6, 1907, and Frances, born April 19, 1909. Mr. Mannix is a republican in his political views and takes a deep interest in public affairs, though he has never been an office seeker. He is a member of the Roman Catholic church. While a resident of Massachusetts be was a member of the Fifth Infantry Regiment of the National Guard. Careful and thorough in the preparation of his cases and loyal and resourceful in the interests of his clients, he holds a high place in the estimation of his professional brethren and commands the confidence of all who know him.
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Submitted to the Oregon Bios. Project in January 2008 by Diana Smith. Submitter has no additional information about the person(s) or family mentioned above.