Colonel Henry Darnall , was a wealthy Maryland Roman Catholic planter, the Proprietary Agent of Charles Calvert, 3rd Baron Baltimore . He served for a time as Deputy Governor of the Province. During the Protestant Revolution of 1689, his proprietarial army was defeated by the Puritan army of Colonel John Coode, and he was stripped of his numerous colonial offices. Darnall died in 1711.
Henry Darnall was born in England in 1645, the son of Philip Darnall, a London barrister, and Mary Breton, daughter of Sir Henry Breton. Darnall was the first of his family to emigrate to America, and arrived in Maryland by c.1680, when he was granted a tract of 236 acres in what was then Calvert County. In Maryland he became a substantial landholder and slaveholder, and married Eleanor Hatton Brooke , the widow of Thomas Brooke, Sr., who had died in 1676.
Source: Wikipedia