• OUR LADY of CZĘSTOCHOWA: st Sigismund parish church, Słomczyn, Poland; source: own collectionOUR LADY of CZĘSTOCHOWA
    St Sigismund parish church, Słomczyn, Poland
    source: own collection

Roman Catholic
St Sigismund parish
05-507 Słomczyn
85 Wiślana Str.
Konstancin deanery
Warsaw archdiocese, Poland

  • St SIGISMUND: St Sigismund parish church, Słomczyn, Poland; source: own collectionSt SIGISMUND
    St Sigismund parish church, Słomczyn, Poland
    source: own collection
  • St SIGISMUND: XIX c., feretory, St Sigismund parish church, Słomczyn, Poland; source: own collectionSt SIGISMUND
    XIX c., feretory
    St Sigismund parish church, Słomczyn, Poland
    source: own collection
  • St SIGISMUND: XIX c., feretory, St Sigismund parish church, Słomczyn, Poland; source: own collectionSt SIGISMUND
    XIX c., feretory
    St Sigismund parish church, Słomczyn, Poland
    source: own collection
  • St SIGISMUND: XIX c., feretory, St Sigismund parish church, Słomczyn, Poland; source: own collectionSt SIGISMUND
    XIX c., feretory
    St Sigismund parish church, Słomczyn, Poland
    source: own collection
  • St SIGISMUND: XIX c., feretory, St Sigismund parish church, Słomczyn, Poland; source: own collectionSt SIGISMUND
    XIX c., feretory
    St Sigismund parish church, Słomczyn, Poland
    source: own collection
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Martyrology of the clergy — Poland

XX century (1914 – 1989)

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Isidore (pl. Izydor)

  • MARCINIAK Isidore - Commemorative plaque, Sacred Heart of Jesus basilica, Warsaw, source: pl.wikipedia.org, own collection; CLICK TO ZOOM AND DISPLAY INFOMARCINIAK Isidore
    Commemorative plaque, Sacred Heart of Jesus basilica, Warsaw
    source: pl.wikipedia.org
    own collection


religious cleric


Latin (Roman Catholic) Churchmore on
[access: 2014.09.21]


Society of St Francis de Sales (Salesian Society, - SDB)more on
[access: 2013.05.19]

diocese / province

st Stanislaus Kostka Warsaw Inspectorate SDB
Vilnius archdiocesemore on
[access: 2013.05.19]

date and place of death


Baravyatoday: Smarhon dist., Grodno reg., Belarus

alt. dates and places of death

30.10.1942, 31.10.1942

n. Minsktoday: Minsk city reg., Belarus

details of death

During World War I drafted in 1916 into German army.

Wounded in warfare, in Verdun.

Participant of Greater Poland uprising of 1918‑9.

Soldier of the Polish army during Polish–Russian war of 1919‑20.

After German and Russian invasion of Poland in 09.1939 and start of the II World War, moved to Vilnius, then under Lithuanian occupation (from 06.1940 under Russian occupation).

After ordination and after German attack on 22.06.1941 of their erstwhile ally, Russians, sent by Abp Jałbrzykowski in c. 09.1941 beyond former Polish border, north and east to Belarus, where Catholic had not seen a priest for 20 years.

Apparently before going east stopped on the way in Dołhinów.

Fate thereafter uncertain.

Prob. murdered in a mass execution of 6 victims.

alt. details of death

According to some sources murdered by a Belarusian gang in 10.1941.

According to yet another murdered in c. 10.1942 n. Minsk.

cause of death

mass murder


Germans / Belarusians

date and place of birth


Krystianowotoday: part of Michorzewo village, Kuślin gm., Nowy Tomyśl pow., Greater Poland voiv., Poland
more on
[access: 2021.12.18]

religious vows

12.07.1933 (temporary)
17.07.1937 (permanent)

presbyter (holy orders)/

20.04.1941 (Vilniustoday: Vilnius city dist., Vilnius Cou., Lithuania
more on
[access: 2022.01.06]

positions held

minister in Belarus (1941), f. friar at Vilnius and Saldutiškis monasteries (1939‑41) — theology student, f. friar at Kraków monastery (from 1937) — theology student at Silesian Fathers' Theological School, f. friar at Łódź (till 1937) and Vilnius (from 1935) monasteries — assistency (pedagogical–pastoral probation), f. friar at Marszałki monastery — philosophy student in Silesian Fathers' Philosophy Institute, novitiate in Czerwińsk monastery (1932‑3), in Congregation — in Lower Theological Seminary in Daszawa n. Stryi in Lviv diocese — from 1929, f. employee of Polish Trade Bank in Poznań (till c. 1929)

others related in death

PAWELECClick to display biography John, BIELAWSKIClick to display biography Joseph, BOHATKIEWICZClick to display biography Mieczyslav, GLAKOWSKIClick to display biography Stanislaus, GODLEWSKIClick to display biography Vincent, HLEBOWICZClick to display biography Henry, KASZYRAClick to display biography George, LESZCZEWICZClick to display biography Anthony, LUBECKIClick to display biography Alexander, LUBIANIECClick to display biography Charles, MALECClick to display biography Dennis, RYBAŁTOWSKIClick to display biography Casimir, ŚWIATOPEŁK–MIRSKIClick to display biography Anthony, WIECZOREKClick to display biography Vladislav

murder sites
camps (+ prisoner no)

Minsk: Russian prison. In 1937 site of mass murders perpetrated by the Russians during a „Great Purge”. After Russian invasion of Poland in 09.1939 and start of the II World War place of incarceration of many Poles, In 06.1941, under attack by Germans, Russians murdered there a group of Polish prisoner kept in Central and co‑called American prisons in Mińsk. The rest were driven towards Czerwień in a „death march” (10,000‑20,000 prisoners perished), into Russia. (more on: pl.wikipedia.orgClick to attempt to display webpage
[access: 2013.08.17]

Ribbentrop-Molotov: Genocidal Russian–German alliance pact between Russian leader Joseph Stalin and German leader Adolf Hitler signed on 23.08.1939 in Moscow by respective foreign ministers, Mr. Vyacheslav Molotov for Russia and Joachim von Ribbentrop for Germany. The pact sanctioned and was the direct cause of joint Russian and German invasion of Poland and the outbreak of the II World War in 09.1939. In a political sense, the pact was an attempt to restore the status quo ante before 1914, with one exception, namely the „commercial” exchange of the so–called „Kingdom of Poland”, which in 1914 was part of the Russian Empire, fore Eastern Galicia (today's western Ukraine), in 1914 belonging to the Austro–Hungarian Empire. Galicia, including Lviv, was to be taken over by the Russians, the „Kingdom of Poland” — under the name of the General Governorate — Germany. The resultant „war was one of the greatest calamities and dramas of humanity in history, for two atheistic and anti–Christian ideologies — national and international socialism — rejected God and His fifth Decalogue commandment: Thou shall not kill!” (Abp Stanislaus Gądecki, 01.09.2019). The decisions taken — backed up by the betrayal of the formal allies of Poland, France and Germany, which on 12.09.1939, at a joint conference in Abbeville, decided not to provide aid to attacked Poland and not to take military action against Germany (a clear breach of treaty obligations with Poland) — were on 28.09.1939 slightly altered and made more precise when a treaty on „German–Russian boundaries and friendship” was agreed by the same murderous signatories. One of its findings was establishment of spheres of influence in Central and Eastern Europe and in consequence IV partition of Poland. In one of its secret annexes agreed, that: „the Signatories will not tolerate on its respective territories any Polish propaganda that affects the territory of the other Side. On their respective territories they will suppress all such propaganda and inform each other of the measures taken to accomplish it”. The agreements resulted in a series of meeting between two genocidal organization representing both sides — German Gestapo and Russian NKVD when coordination of efforts to exterminate Polish intelligentsia and Polish leading classes (in Germany called Intelligenzaktion, in Russia took the form of Katyń massacres) where discussed. Resulted in deaths of hundreds of thousands of Polish intelligentsia, including thousands of priests presented here, and tens of millions of ordinary people,. The results of this Russian–German pact lasted till 1989 and are still in evidence even today. (more on: en.wikipedia.orgClick to attempt to display webpage
[access: 2015.09.30]

Polish-Russian war of 1919—21: War for independence of Poland and its borders. Poland regained independence in 1918 but had to fight for its borders with former imperial powers, in particular Russia. Russia planned to incite Bolshevik–like revolutions in the Western Europe and thus invaded Poland. Russian invaders were defeated in 08.1920 in a battle called Warsaw battle („Vistula river miracle”, one of the 10 most important battles in history, according to some historians). Thanks to this victory Poland recaptured part of the lands lost during partitions of Poland in XVIII century, and Europe was saved from the genocidal Communism. (more on: en.wikipedia.orgClick to attempt to display webpage
[access: 2014.12.20]

Greater Poland Uprising: Military insurrection of Poles living in Posen Provinz (Eng. Poznań province) launched against German Reich in 1918‑9 aiming to incorporate lands captured by Prussia during partitions of Poland in XVIII century into Poland, reborn in 1918. Started on 27.12.1918 in Poznań and finished with total Polish victory on 16.02.1919 by a ceasefire in Trier. Many Polish priests took part in the Uprising, both as chaplains of the insurgents units and members and leaders of the Polish agencies and councils set up in the areas covered by the Uprising. In 1939 after German invasion of Poland and start of the II World war those priests were particularly persecuted by the Germans and majority of them were murdered. (more on: en.wikipedia.orgClick to attempt to display webpage
[access: 2016.08.14]


bws.sdb.org.plClick to attempt to display webpage
[access: 2019.05.30]
, pldocs.docdat.comClick to attempt to display webpage
[access: 2013.05.19]
, be.convdocs.orgClick to attempt to display webpage
[access: 2013.08.10]

bibliograhical:, „Vilnius archdiocese clergy martyrology 1939‑1945”, Fr Thaddeus Krahel, Białystok, 2017, „Salesian Society in Poland under occupation 1939‑1945”, Fr John Pietrzykowski SDB, Institute of National Remembrance IPN, Warsaw, 2015,
original images:
pl.wikipedia.orgClick to attempt to display webpage
[access: 2013.12.04]


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