 He was a professor of mathematics in Washington College (in Chestertown, Maryland) for two years and was in charge of an academy at Baltimore for three years.He studied medicine in Baltimore and was graduated in medicine from Yale College in 1828; he commenced the practice of medicine in Sag Harbor, New York, continuing in his profession there for fifteen years.Lord was a delegate to the Whig National Convention at Harrisburg, Pennsylvania in 1840, and moved to Greenport in 1846 and engaged in agricultural pursuits and the cultivation of fruit and ornamental trees.