34 • Call 1.800.348.4732 Brother Leo Irving Slay, SM, 94, died March 20, 2026, in San Antonio. He had been a vowed Marianist for 76 years. Bro. Leo was a beloved cook and hospitality professional remembered for the welcoming presence he brought to his communities. He drew on his family’s experience in the restaurant industry to build a legacy of achieve ment and service. Born Oct. 30, 1931, in St. Louis, Bro. Leo attended grade school at St. Vincent de Paul Parish before enrolling at Chaminade College Preparatory School, where he first encountered the Marianists. Inspired to pursue a religious vocation, he professed first vows at Marynook in Galesville, Wisconsin, on Aug. 15, 1949, and perpetual vows there on June 19, 1953. Bro. Leo first served as a cook for the Novitiate at Mary nook. Over the next 60 years, he served in the kitchens of Marianist communities in the St. Louis area: Marycliff (1952-54, 1960-62); Maryhurst (1954-60, 1962-69); Chaminade College Preparatory (1969-88); and St. John Vianney High School (1988-2011). In addition, Bro. Leo directed the Marianist Culinary Institute in 1960 and was named to the boards of the St. Louis Community College Hotel Restaurant Technology Department and both the St. Louis and Missouri Restaurant associations. He also served terms as president of both the Food Service Executive Association and St. Louis Restaurant Association. Bro. Leo also directed and participated in an effort to evaluate U.S. military food service departments worldwide. Bro. Leo’s work led to winning St. Louis Food Service Executive of the Year in 1970, and he later was inducted into the Hall of Fame of the Missouri Restaurant Food Service Association. He also was known among the brothers living in community for enlivening their celebrations with creative decorations, both in dining rooms and outdoors. Marianist Father Tim Kenney called Bro. Leo “Brother Hospitality,” saying, “Bro. Leo knew how to move around in a crowded room and greet people with his magnificent smile. He was proud to be a Brother and a Marianist. I thank God, Mary, and Blessed Chaminade for the opportunity to know and love Bro. Leo Slay.” Father Quentin Hakenewerth, SM, 96, died on March 4, 2026, in San Antonio. He had been a vowed Marianist for 77 years. Fr. Quentin was a beloved spiritual director, author, administrator, teacher, and chaplain who served as Superior General of the Society of Mary in the 1990s. He often expressed deep grat itude for his Marianist vocation. Born Jan. 9, 1930, in Old Monroe, Missouri, Fr. Quentin first met the Marianists at Chaminade College Preparatory School in Creve Coeur, Missouri. He entered the Novitiate at Marynook in Galesville, Wisconsin, in 1947 and professed first vows there in 1948 and final vows in 1952. He also earned a bachelor’s degree in education from University of Dayton and taught at St. Mary’s and Coyle high schools in St. Louis. He entered the seminary in Fribourg, Switzerland, and was ordained there in 1960. After earning a master’s degree in clinical psychology from Loyola University (Chicago) in 1965, Fr. Quentin became the chaplain for the scholasticate at St. Mary’s University in San Antonio, before working in the Province Office of Reli gious Life until 1969. He then served two terms (1971-79) as Provincial of the former St. Louis Province, and then as vocation director (1980-81). In 1981, Fr. Quentin was elected as assistant for religious life at the Curia Generalizia in Rome, serving for two terms. Then, at the 1991 General Chapter, Fr. Quentin was chosen as the Marianists’ 12th Superior General. Fr. Quentin’s articles appeared in many national and Marianist publications, and he also authored books now considered classics of Marianist spirituality. Returning from Rome, Fr. Quentin moved to Querétaro, Mexico, where he worked in religious formation for five years. He then served as assistant pastor at the house of studies in Puebla, Mexico, from 2011-17. Then, returning to Querétaro, he remained active in ministry into his 90s. Marianist Brother Juan Azamar encountered Fr. Quentin upon entering the Novitiate at Querétaro. “He led me by Mary’s hand to Jesus,” he said. “He was consistent and loyal, a father with deep charity. His very life speaks for itself.” “His way of living the Gospel was humble, transparent, and authentic,” Marianist Brother Juan Pablo said. “We who lived and worked with him remember his constant availability for service. He seemed never too busy to listen, to accompany, or to help.” ■ Brother Leo Irving Slay, SM In Remembrance Memorial: To make a memorial donation in the name of a Marianist, please visit marianist.com/donate. Father Quentin Hakenewerth, SM For the complete obituary, visit marianist.com/obits.
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