He attended high school in Csíksomlyó. He entered the Franciscan Order on September 8, 1896. He completed his theological studies in Vajdahunyad and Paderborn (Germany). He took his perpetual vows on September 8, 1900, and was ordained a priest on December 22, 1902. He emigrated to the United States in 1922. He received U.S. citizenship on February 5, 1930.
Domestic service locations
From
To
Place
Country
Church / institution
Position
1902
1902
Székelyudvarhely
Austro-Hungarian Monarchy, currently Romania
deacon
1902
1907
Medgyes
Austro-Hungarian Monarchy, currently Romania
provincial secretary, catechist
1907
1912
Déva
Austro-Hungarian Monarchy, currently Romania
Provincial secretary; also served as school principal in Dés from 1908 to 1914
1913
1915
Szék
Austro-Hungarian Monarchy, currently Romania
house manager (including in Szamosújvár)
1915
1917
Medgyes
Austro-Hungarian Monarchy, currently Romania
philosophy teacher and provincial secretary
1917
1924
Fogaras
Austro-Hungarian Monarchy, currently Romania
house steward, defindor, and custodian
Foreign service locations
From
To
Place
Country
Church / institution
Position
1922
1924
Cleveland, OH
USA
Szent Erzsébet templom
1922
1946
South Bend, IN
USA
missionary pastor (in the U.S. and Baberton, OH, U.S.)
1924
1927
Barberton, OH
USA
1927
1930
South Bend, IN
USA
1931
1946
Youngstown, OH
USA
Saint Francis of Assisi Parish
Literary activity
Tabula Congregationis Provincialis. 1910, 1912-16.
Oer S.: Gyöngeségeink. Ford. Kolozsvár, 1911.
A dési r.k. elemi... isk értes. Dés, 1912.
A dési szt ferencrendi ktor tört. Kolozsvár, 1912.
Nefelejcs. Imakv. gyermekeknek. Uo., 1913. (7. kiad. 1944)
A bűnbánat útja. Ford. Uo., 1914.
A dési r.k. fiú- és a Miasszonyunkról nev. szegény isk-nővérek vezetése alatt álló leányisk. értes. Dés, 1915.
A Szt Háromságról nev. babertoni r.k. m. hitközs. évkv-e. Cleveland, 1925.
A South Bend-i Szt Istvánról nev. r.k. m. hitközs. évkv-e az Úrnak 1927, 1928, 1929. esztendejéről. South Bend, 1928-30.
Bíró Gergely Lőrinc OFM: personal record. In: Historical directory of Hungarian, Hungarian-descended, and Hungarian-speaking clergy serving abroad. Available at: https://www.diaszporalelkipasztorok.hu/persons_v2/view.php?id=82 (accessed: 2026-04-05).