• From 1926-1961, the Superior in residence at St. Catherine of Siena was considered to be the princpal of the school.  Starting in 1962, the order appointed a principal specifically- this person also often served as the Superior.

Sister Canice Murphy (1926 - 1932) (Superior)

Sister Clementia Carey (1932 - 1935) (Superior)

Sister Rodriguez Gilmore (1935 - 1938) (Superior)

Sister Canice Murphy (1938 - 1940) (Superior)

Sister Pierre Sweeney (1940 - 1942) (Superior)

Sister Mary Bartholomew Lynch (1942 - 1948) (Superior)

Sister Peter Nolasco Keenan (1948 - 1949) (Superior)

Sister Mary Gertrude O'Leary (1949 - 1950) (Superior)

Mother Mary of the Incarnate Word (1950 - 1952) (Superior)

Sister Beatrice Hogan (1952 - 1954) (Superior)

Sister Elizabeth Marie (Agnes) Cronin (1954 - 1955) (Superior)

Mother Mary of the Incarnate Word (1955 - 1958) (Superior)

Sister Beatrice Hogan (1958 - 1961) (Superior)

Sister Aquilina Relihan (1961 - 1967) (Superior)

Sister Agnes Maloney (1967 - 1970)

Sister Marian Jordan (1970) (Superior 1976 - 1977)

Sister Mary Eileen Bermingham (1971 - 1973)

Sister Mary Muldowney (1973 - 1974)

Sister Imelda Moriarty (1974 - 2004)

Mrs. Frances Dee Tarantino (2004 - 2016)

Mrs. Kimberlie Kilroy (2016 - 2020)

Mrs. Maria LaFleur (2020 - Present)