It looks as if all De Armitts were frfom the Huntingdon/Blair county region.
Now I don't have much info here, as De Armitts were only related to me by marriage, but my great grandfather's brother, Walter S. Whitesel b. abt. 1878 Huntingdon Co., PA m. Minnie F. De Armitt 01 DEC 1900 in Huntingdon Co.She was b. 07 DEC 1879 in Saulsburg, Huntingdon Co, PA, d. 30 FEB 1945 in Altoona, Blair Co., PA.
She was daughter of Samuel De Armitt, b. abt. 1844 in Huntingdon Co., PA, d. aft. 1910 and Margaret Whitesel.
Samuel and Marget had at least 2 more daughters and one son, Herbert, all still living at the time of Minnie's death, according to her obit.
Walter and Minnie had at least 3 children:
George Whitesel, b. 04 DEC 1902 Donation, Huntingdon Co., PA, d. MAY 1982 Petersburg, Huntingdon Co., PA.
Clarence A. Whitesel, b. 11 AUG 1901 in PA, d. 26 FEB 1989 Coeur D'Alene, Kootenai, ID.