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This information was last updated on [11/24/2014]

~Click to view Immaculate Conception Church Official Website~

Immaculate Conception Church
98 Summer St
Portsmouth, NH 03801
Phone: (603) 436-4555 Fax: (603) 433-4401
A Parish Merged of The Roman Catholic Diocese of Manchester NH

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In June, 2006, three Portsmouth parishes, Immaculate Conception, St. Catherine of Siena and St. James were merged into one Corpus Christi Parish.  Masses and Sacrament of Reconciliation are provided as follows:

Weekend Mass Times
all at Immaculate Conception Church 98 Summer St.

Sat: 4 p.m.; Sun: 8:30 a.m. 10:30 a.m. 4:30 p.m.

Daily Mass
Mon-Sat: 8:00 a.m. preceded by Morning Prayer at 7:40 a.m. (St. Catherine)

Spanish Mass
Sun 2:00 p.m. (St. Catherine, depending on the availability of a Spanish speaking priest.  Check the calendar to confirm.)
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After Daily Mass (St. Catherine)
Sat: 3:00 p.m. Sun: 3:45 p.m. (Immaculate Conception)
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          Holy Day Masses
Usually at 8:00 a.m. (St. Catherine), 12:10 p.m. (Immaculate Conception) and 7:00 p.m. (Immaculate Conception). Usually, there is NO vigil Mass. To confirm these times, check the calendar for the specific date and place.



For comprehensive parish information, go to, the main parish website.

A Little History

Immaculate Conception is the third oldest church in the diocese of Manchester.  It was originally a mission church of St. Aloyisus in Dover.  In November 1851, a priest was assigned to the 300 Catholics of Portsmouth, who organized under the title of St. Mary`s and began construction of the church in spring 1852.  In 1872, the parishioners rebuilt the church which had been destroyed by fire in 1871, renaming it Immaculate Conception.  A parish school was constructed in 1887 on Austin Street, staffed by the Sisters of Mercy; its present building dates from 1904.  Need for a larger, more structurally sound church to accommodate the growing Catholic population led to the construction of the present church, opened on Easter 1934 and dedicated in October, 1934.




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