William J. Mulligan was the 15th Deputy Supreme Knight of the Knights of Columbus, serving from 1949 to 1960. Previously, he was Supreme Master of the Fourth Degree from 1945 to 1949. He served under two Supreme Knights,

John E. Swift John Edward Swift (December 7, 1879 – August 19, 1967) was an American judge who served as the ninth Supreme Knight of the Knights of Columbus from October 24, 1945, to August 31, 1953. Early life Swift was born in Milford, Massachus ...

and

Luke E. Hart Luke Edward Hart (July 31, 1880 – February 19, 1964) was the tenth Supreme Knight of the Knights of Columbus, serving from September 1, 1953 until his death on February 19, 1964. Personal life Hart was born in 1880 in Maloy, Iowa. H ...

References

{{DEFAULTSORT:Mulligan, William J. Deputy Supreme Knights of the Knights of Columbus