Light Street was named in his honor (Lux is Latin for light). After his death, his son Capt. William Lux, Sr. took over and expanded his father's business by acquiring a rope walk. Lux owned the ship "Baltimore Town", the first Baltimore owned ship to sail from that port. In 1733 he sailed to London aboard the sloop "Baltimore Town", which carried twenty guns and a crew of forty. His house, located at 43-44 Light Street, and his ship are shown in the contemporary sketch "Baltimore In 1752" painted by Lt. Col. John Moale, Jr., Esq. (1731–1798), in 1752, and engraved in 1817 by William Strickland. Lux was a vestryman of St. Paul’s Parish, and was a Commissioner of Baltimore town from 1744–1747, and again in 1750. Lux was also a Justice in Baltimore County, Maryland and at the same time served as a delegate of the Lower House of the General Assembly from 1749–1750. Lux died October 14, 1750 of pleurisy, in his 53rd year having served as a Magistrate and Representative of Baltimore County. At this time, Darby had accumulated of land in Baltimore, Frederick, and Dorchester counties, plus 2 lots in Baltimore Town (#43 & #44). Included in this were: of "Mactington"; of "Derbyshire"; of "Groome’s Chance"; and "Lux’s Conveniency". His estate was valued at 555.9.1 pounds sterling, 3,489.16.0 pounds current money, and 1,683 pounds of tobacco, including 4 servants, 11 slaves, "sundry European goods", books, the sloop "Baltimore Town", the schooner "Polly", and a vessel under construction. Lux's will specified equal distribution of his slaves, with one exception: no slave was to be given to his daughter Elizabeth Lux Bowley, or to her son Daniel Bowley II (1745–1807), because she had already received a wedding gift of one enslaved woman and one enslaved boy. Mary Lux (ca. 1723). Elizabeth Lux (1725–1793), who married Capt. Daniel Bowley (1715–1745). Sarah Lux (ca. 1727 – ca. 1734), who died young. William Lux, Esq. (1730–1778), who married Agnes Walker (1731–1785), daughter of George Walker and Mary Price.