Roman Catholic Diocese of Łomża

Diocese of Łomża
Dioecesis Lomzensis

The Cathedral of St Michael the Archangel in Łomża
Country Poland
Metropolitan Białystok
Area 11,500 km2 (4,400 sq mi)
- Total
- Catholics
(as of 2014)
538,065 (99.1%)
Rite Latin Rite
Cathedral Katedra pw. św. Michała Archanioła
Current leadership
Pope Francis
Bishop Janusz Stepnowski
Auxiliary Bishops Tadeusz Bronakowski
Vicar General Tadeusz Bronakowski
Emeritus Bishops Stanisław Stefanek

The map of diocese
Website of the Diocese

The Roman Catholic Diocese of Łomża (Latin: Lomzen(sis)) is a diocese located in the city of Łomża in the Ecclesiastical province of Białystok in Poland. The minor basilica Bazylika pw. Nawiedzenia Matki Bożej in Sejny is within the diocese.


On March 25, 1798 it was established as Diocese of Sejny/Sejna/Augustów, from the Diocese of Wigry. Its territory had formerly belonged to the Diocese of Vilna, but after the first partition of Poland it fell to Germany. Pope Pius VI carved out the new diocese and established its see at the Camaldolese monastery of Wigry, in a village about ten miles east of Suwałki. The monastery had been founded under the patronage of King Jagiello in 1418, and the Church of Our Lady, which became the cathedral, became the parish church of Wigry.

The first bishop of the diocese was the preacher Michael Francis Karpowicz (b. 1744; d. 1805). His successor was John Clement Gołaszewski (b. 1748; d. 1820), who enlarged the Wigry cathedral. After the third partition of Poland this territory was ceded to Russia, and in 1818 the Church throughout the Polish kingdom was reorganized. By a Bull of Pius VII Warsaw was made the metropolitan see and the see of Wigry was changed to Augustów, a city founded in 1561 by King Sigmund Augustus. The new cathedral and chapter there were inaugurated on December 8, 1819.

The next bishop, Ignatius Czyzewski, did not remain at Augustówo, but changed his place of residence in 1823 to Sejny, a town founded in 1522 by Sigmund I of Poland, and which is about twenty miles east of Suwałki. The succeeding bishop, Nicholas John Manugiewicz, established the diocesan seminary in 1830, and for many years resided sometimes at Augustowo and then at Sejny. His successor was Stanislaus Choromanski, afterwards Archbishop of Warsaw. The next bishop, Straszyński, made the old Dominican church at Sejny his cathedral and entered it as bishop, 4 February 1837. He was in frequent collision with the Russian authorities, and on his death in 1847 the see was kept vacant by the Russian Government until 1863. Constantine Lubieński was then made bishop, and on his death in exile in 1869 at Nizhny Novgorod was succeeded by Bishop Wierzbowski. His successors were Anthony Baranowski, and Anthony Karaś.

On October 28, 1925, the diocese was renamed as the diocese of Łomża.[1]


See also


  1. Wikisource:Catholic Encyclopedia (1913)/Diocese of Sejny


 This article incorporates text from a publication now in the public domain: Herbermann, Charles, ed. (1913). "Diocese of Sejny". Catholic Encyclopedia. New York: Robert Appleton. 

Coordinates: 53°10′40″N 22°04′49″E / 53.177694°N 22.080194°E / 53.177694; 22.080194

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