Richard P. Hallion Sr., 77, a retired captain of the White House Police and a well-known soloist in Washington area Catholic churches, died of congestive heart failure Saturday at Manor Care in Hyattsville, where he had lived in recent years.

A former resident of Laurel, Mr. Hallion was born in Sommerville, Mass After moving to this area in 1931, he joined the D.C. police force and was assigned to the old 12th Precinct.

In 1935, he transferred to the White House Police, now the Uniform Division of the Secret Service. He served on President Franklin D. Roosevelt's personal security detail and was captain of the force from the late 1950s until his retirement in 1961.

In the late 1930s, he was one of the founders of the White House Pistol Team. He served as captain of the team that won the Pistol Team World Championship in Teaneck, N.J. in 1940.

Mr. Hallion was a trained musician and had studied at the New England Conservatory of Music. He sang bass and was the featured soloist at a number of local Catholic churches, including St. Matthew's Cathedral here.

His other interests included gardening, history and home construcion.

Mr. Hallion was a member of the Association of Retired Policemen of D.C.

Survivors include his wife, Marie, a son, Richard P. Jr., and a duaghter, Marie E., all of Laurel, and a sister, Margaret of Somerville.