This 1920 photo shows Mary Christopher Riggs with daughter Henrietta and son Samuel IV. Samuel Riggs IV served as Vice President and Treasurer for Ligon and Ligon utility contractors and as Chairman of the bank. A successful investor turned philanthropist, he endowed the University of Maryland's new Samuel Riggs IV Alumni Center and contributed a million dollars to Montgomery General Hospital.

Laytonsville's fire house goes up in flames in 1965. Earlier a hall of the Modern Woodmen of America, the frame structure had been faced with brick; faulty wiring was suspected as a cause of the blaze. The department rebuilt at its present location across from the school.