Louis Emory McComas (October 28, 1846 – November 10, 1907) was an American attorney, politician, and jurist who served as a member of both branches of the United States Congress and as an associate justice of the Supreme Court of the District of Columbia Born on October 28, 1846, in Washington County, Maryland near Hagerstown,[1] McComas attended St. James College (now St. James School) in Maryland,[2] then graduated from Dickinson College in Carlisle, Pennsylvania in 1866 and read law in 1868.

[2] During the period after his departure from the United States House of Representatives until his federal judicial appointment, McComas resumed private practice in Baltimore, Maryland.

[1] He also was a professor of international law at Georgetown University in Washington, D.C.[2] McComas received a recess appointment from President Benjamin Harrison on November 17, 1892, to an Associate Justice seat on the Supreme Court of the District of Columbia (now the United States District Court for the District of Columbia) vacated by Associate Justice Martin V.

[2] McComas received a recess appointment from President Theodore Roosevelt on June 26, 1905, to an Associate Justice seat on the Court of Appeals of the District of Columbia (now the United States Court of Appeals for the District of Columbia Circuit) vacated by Associate Justice Martin Ferdinand Morris.

[1] His service terminated on November 10, 1907, due to his death in Washington, D.C.[1] He was interred in Rose Hill Cemetery in Hagerstown.