In the Coldiron database, I have an Isaac D. Coldiron b. 1825, Lee Co., VA who married (1) Mary Julia Gilley, b. 1830, Lee Co., VA. Isaac was son of Henry Coldiron & Margaret Shephard. Mary was dau. of Francis Gilley and Orra Wells. Their children, all born Lee Co., VA were: (1) Lavina Jane, b. 8 Sep 1847, (2) Franklin Francis, b. 1849, (3) Orra, b. 1851, and (4) Virginia Elizabeth, b. 1852.
If this is the family you're looking for, I have additional data and information.