Waldorf, Maryland General Assembly of Maryland by an act changed the name to "Waldorf" in honor of William Waldorf Astor (1848–1919), the great-grandson of John Jacob Astor (1763–1848), who was born in Walldorf, Palatinate, Germany. On July 29, 1908, the city of Plumb Valley in Waseca County, Minnesota, changed its name to Waldorf after Waldorf, Maryland. Once a tobacco market village, Waldorf came to prominence in the 1950s as a gambling destination after slot machines were legalized in Charles County in 1949. The boom lasted until 1968 when gambling was once again outlawed. Its subsequent substantial growth as a residential community began
William Backhouse Astor Sr. William Backhouse Astor Sr. William Backhouse Astor Sr. (September 19, 1792 – November 24, 1875) was an American business magnate who inherited most of his father John Jacob Astor's fortune. He worked as a partner in his father's successful export business. His massive investment in Manhattan real estate enabled major donations to the Astor Library in the East Village, which became the New York Public Library. William was born in New York City on September 19, 1792 and named after William Backhouse, a friend of his father who was a New York merchant. He was a son of fur-trader John