The legacy of slavery in America remains a divisive issue, with sharp political divides. Some argue that slavery still contributes to modern economic inequalities. Others believe its effects have largely faded. One way to measure the legacy of slavery is to determine whether the disproportionate riches of slaveholders have been passed down to their present-day descendants. Connecting the wealth of a slaveholder in the 1860s to today’s economic conditions is not easy. Doing so requires unearthing data for a large number of people on slaveholder ancestry, current wealth and other factors such as…