The War of 1812
At least a couple of Dibrell descendants fought in the War of 1812. They were:
Edwin Dibrell
William Dibrell Jones
Edwin Dibrell
Served in 5th Regiment, Viginia Militia
[http://www.sierra.com/sierrahome/familytree/records/w1812/list/1,2824,,00.html]
William Dibrell Jones
He volunteered in Buckingham County, Virginia and served from August 29, 1814, to September 13 or 18, 1814, as a vidette in Captain William Moseley's Company, in the First Regiment of Virginia Militia.
. . . after his discharge from the above noted enlistment, he was detailed by the Governor of Virginia as a courier and acted as such, also as paymaster.
["Proof of Service of William Dibrell Jones in the War of 1812"]