I am the great grandson of Daniel Jay Allen b. 06/02/1867 in Robertson Co., TN, and d. 12/16/1920 in Jasper Co., MO.
I have found him in the 1870 Robertson Co., TN, Census aged 3.He is listed as the son of Wm. Allen, a blacksmith aged 25 (b. about 1845 in Arkansas) and Margret A., keeping house aged 22 (b. about 1848 in TN).
I have found him in the 1880 Robertson Co., TN, Census aged 12 (should be 13).He is here listed as the son of William Allen, a blacksmith aged 43(!) (b. about 1837 in TN(!)) and Almeta, keeping house aged 34 (b. about 1846 in TN).