Teresa Demjanovich was an American religious sister born in 1901 in Bayonne, New Jersey. Raised in the Ruthenian Greek Catholic tradition, she later joined the Sisters of Charity of St. Elizabeth. Known for her deep piety and devotion to prayer, she lived a short religious life, passing away in 1927 at the age of 26. She is recognized as a blessed in the Catholic Church, having been honored for her spiritual writings and her dedicated service to God.