Darby II, was the son of Captain Darby Lux I (1695–1750) and Ann Saunders (1700–1785).
Ann was the daughter of Robert Saunders (d 1755) and Rebeckath Groom (d 1752).
Captain Darby Lux I, was the son of William Lux II, Vicar (ca 1657-1714) and his wife Elizabeth.
William II, was the son of William Lux I and his wife Wilmot ? (d 1703).
He resided in Baltimore Town until about 1753. Lux also became involved in a lead mining operation in Baltimore County. Darby was an active patriot and was of the Gunpowder Battalion of Maryland Militia in 1775.
In November of 1775 he was appointed by the Continental Congress on a secret Committee to secure arms and ammunition, and he was authorized to sign money.
He was a signer of the Maryland Declaration of Independence on July 6, 1776. Lux inherited "Derbyshire" from his father.
lieutenant was located on the Reistertown Road, 7 miles (11 km) from Baltimore. He resided at "Mountain. Airy" near Towson, and this estate is now the Sheppard Pratt Asylum.
At the time of his death on April 10, 1795, Darby had accumulated over 2,000 acres (81 km2) of land in Baltimore County, where he died.
His estate was valued at 1,027.19.5 pounds current money, including 24 slaves and 42 oz. plate. Ann Lux (1770–1847), who married 1 George Risteau, Gent. (ca 1763-1789) 2) Captain Darby Lux III (ca 1772-1812), who on 20 February 1798 married Mary Nicholson, daughter of.
Lieutenant Colonel Lux was a member of the Committee of Observation and Safety in the same year.
