St. Mary is a Catholic church in Alton, Sioux County, Iowa — listed by Overture Maps Places, masstimes.org (Mass Times Trust); last seen September 2026.
Who meets here
- St. Mary · primary · catholic
pilgrimcluster.org/st-mary-alton · (712) 756-4224
How we know
- masstimes.org (Mass Times Trust) · seen September 2026
- Overture Maps Places — listed as “St Mary's Roman Catholic Church” · seen September 2026
2 independent sources agree on this place. About our sources