His son Henry Darnall emigrated to North America, where he became the Proprietary Agent of the Lords Baltimore.

[1][2] Henry Darnall's memorial stone in the parish church was described in 1826 as bearing the following inscription: Here resteth the bodies of Henry Darnall, of Bird's Place, in this Parish, Esq., Councellor at Law, of Gray's Inn, and of Mary his Wife, Daughter of William Took, Esq; one of the Auditors of his Majesty's Court of Wards and Liveries, by whom he had Issue, John, Henry, Anne, Thomas, Susan, Philip and Ralph Darnall, all living at the time of his Decease.

[5] Philip Darnall's brother Ralph, also a barrister, was Clerk to the Parliament during the Protectorate.

[6] Ralph Darnall's daughter Mary married Charles Calvert, son and heir of the Proprietor of Maryland, Cecil Calvert, 2nd Lord Baltimore.

[7] Philip Darnall's wife was Mary Breton, daughter of Sir Henry Breton (or Britton) by his wife, Anne Yate, daughter of Edward Yate of Buckland, Berkshire, England.