138 Columbia Heights, 1958. This Italianate town house was built circa 1860. In the late 19th and early 20th century, steamship entrepreneur Henry Roger Mallory lived in the home. The Mallory Line of steamships was established in mid 19th century and Henry took over the business when his father passed in 1890. By 1906 the Mallory Line was considered the one of the most forward thinking and important water transportation businesses on the Atlantic coast.