Catharine de Hueck was a Canadian social worker and founder of the Sisters of the Holy Names of Jesus and Mary. Born in 1900 in Montreal, she dedicated her life to helping the poor and marginalized. Catharine established various community programs aimed at providing education and support to those in need. In 1940, she founded the Catholic Women's League in Toronto, which focused on social justice and community service. Her work emphasized the importance of compassion and service, inspiring many to engage in charitable activities. Catharine de Hueck's legacy continues through the ongoing efforts of the organizations she established.