This quick succession of priests is apparent from a brief look at the  list of the names of the early pastors and assistant pastors who served  in the church:

DIOCESAN PRIESTS:
1904-1906: Father Tito Piacentini
1906-1918: Father Alex Bucci
1918-1919: Father B. J. Schiapparelli
1919-1923: The two brothers, Fathers Louis and Innocent Montanari

SALESIAN PRIESTS
1923-1925: Father Joseph Castagnotto
1923-1925: Father L. B. Galli
1925-1926: Father P. Beccaria
1930-1932: Father Ypres Grall

(there was also a period, 1926-1930, when the church had no titular  pastor, but was served variously by priests of the local Salesian  community)

CLARETIAN PRIESTSInside Church
1932-1932: Father A. Pujol
1932-1935: Father A. Leal
1935-1937: Father U. Julian
1937-1938: Father J. Uriarte
1938-1938: Father Peter Caballer and Father Joseph Gutierrez
1938-1939: Father Eustace Flamenco
1939-1942: Father Basil Frison
1942-1943: Father Louis Bossi
1943-1949: Father Michael Cecere
1949-1951: Father Leonard Cuellar
Ribbon Cutting

RETURN OF THE DIOCESAN PRIESTS
1951-1954: Father Donatus Larrea
1954-1960: Father Salvatore De Vita
1960-1961: Father Lorenzo De Dominici
(1955-1960: Father John Kokot served St. Peter's Church as assistant pastor.)

THE SCALABRINI FATHERS
1961: The church is entrusted to the Scalabrini Fathers who have been in charge of the parish to the present day.