The Feast of the Immaculate Conception, Thursday December 8th, is a Holy Day of Obligation. Mass times can be found here. The Parish Office will be closed in observance.

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Welcome to

Saint Ambrose Roman Catholic Church

Tucson, AZ

Welcome to Saint Ambrose Catholic Church!


Welcome to St. Ambrose Catholic Church. Founded in 1946  by Monsignor Don H. Hughes, and under the direction of  then Bishop Daniel J. Gercke, St. Ambrose  was erected to serve the rapidly growing city of Tucson as it continued to expand eastward.  


St. Ambrose currently serves what is now the midtown area of Tucson, from Park Ave east to Columbus Blvd, and from 5th Street south to Aviation and 32nd St.  


Our Pastor Fr. Mark Long has been serving the St. Ambrose community since July 1, 2011 and currently serves as the Vicor Forane for the Pima Central Vicariate.    

Parish News


The Feast of the Immaculate Conception
on Thursday, December 8th

Masses will be held at 9AM & 6:30PM 

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Mass Times



5:30 PM

8:30 AM

10:30 AM

12:00 PM (Spanish)

Daily Mass


9:00 AM



3:45 PM–5:00 PM


Baptisms are held the third Sunday of each month. Contact the Parish Office to begin preparations.