Alexander "Sandy" Brown (1843 – 1906) was an American historical writer, the author of several books on the early history of Virginia. He was born in Glenmore, Virginia, studied for a short time at Lynchburg College, served in the Confederate army throughout the American Civil War, and afterward engaged in mercantile pursuits and farming. In 1873, he married his distant cousin, Caroline Augusta Cabell who died in 1876. He remarried to Caroline Cabell's sister, Sarah Randolph Cabell, in 1886. Two great-uncles Alexander Rives and William Cabell Rives were Virginian lawyers and politicians .