Jacob Obrist married Ellen Kirkham in Missouri and their children were: William; Frances A., who married Sarah Morgan and had Ellsworth and Leona (Mrs. Earl Lash); Harry, who married Florence Spence and had Jacob and Dale; Charlie, who married Mary Brown and had Wilman and Edwin; John, who married Emma Craig and had a son Vernon who was Wasco County Commissioner; and Mary and Jacob, both single.

The family later became the first settlers near Hardman, in Morrow county and in 1876 moved to the 5-mile ranch home near the upper 5-mile or Gray school house which was established in 1885. He married Margaret Jeffers, daughter of Wilson John and Louise (Hays) Jeffers, Jeffers was a  Civil and Mexican war veteran of The Dalles, who worked for the Oregon Steam Navigation Co. (1879), building boats in The Dalles and later as a carpenter for the O.R. & N. Co. railroad shops.

 Children of Thomas and Margaret (Jeffers) Gray were: Thomas and Cecil of Astoria; Lloyd of Portland; George of Maupin; Martha (Mrs. Julius Klint) of The Dalles; Pearl (Mrs. Emerson Burtner) of Dufur and Clarence, who occupies the old 5-mile home place which had been in the family for 76 years as of 1952.