[1] He served as BC's graduate director of athletics from 1901 to 1903 and was president of the college's alumni association from 1918 to 1919.
As an assistant DA, Lavelle led a grand jury investigation into corruption in Revere, Massachusetts that resulted in the indictment and conviction of a member of the city's board of assessors and an inquiry into the conditions of the Collateral Loan Company that resulted in the arrest and conviction of a bookkeeper and his wife.
He was also responsible for building the case against Clarence Richeson, who pleaded guilty to murdering his wife.
[6] In 1931, Lavelle was considered for a vacant seat on the Dorchester District Court, but asked to be removed from consideration as he did not want his appointment to be construed as political.
[5] In 1931, Ely appointed Lavelle to the special metropolitan district water supply commission.