Regnum Christi shares the spirituality and working principles of the Legionaries of Christ, a religious congregation of priests and men preparing for the priesthood. The Regnum Christi family includes consecrated members, laypeople, diocesan priests and permanent deacons. It numbers about 30,000 people worldwide.

Learn more about the Legionaries of Christ here.

In our locality we are blessed for having a community of Legionaries of Christ motivated by the desire to know, love and serve Christ through service in local schools and parishes throughout Ontario. They are:


Fr. Thomas Murphy, LC

father thomas murphy
Father Thomas Murphy, LC was born on March 24th, 1979, in Yarmouth, Nova Scotia. In the fall of 1996, he entered the Legion of Christ’s Immaculate Conception Apostolic School which, at the time, was located in Cheshire, Connecticut. After graduating for the apostolic school, he became a novice of the Legion of Christ in 1997. He professed the evangelical counsels of poverty, chastity, and obedience in the fall of 1999. Father Thomas received his philosophy degree at the Legion of Christ Center for Higher studies in Thornwood, New York. He completed his theological studies at Regina Apostolorum University in Rome. Father Thomas was ordained a priest on December 12th, 2009. He has been carrying out his priestly work in Ontario since his ordination dedicating his time to full time youth ministry.


Fr. Todd Arsenault, LC


Father Todd Arsenault, LC is a priest with the religious congregation “Legionaries of Christ”. He was raised the son of a RCMP (Royal Canadian Mounted Police) in Nova Scotia and then, later in his mid-teens, moved to his parents birthplace of Prince Edward Island where his father is now a dairy farmer. His parents are both very active members in the Church. He also has 2 younger sisters. He entered the Legionaries of Christ in the summer of 1994 at the noviciate in Cheshire, Connecticut and did his first 8 years of seminary training in the USA and Canada before completing his final 3 years of theology studies in Rome at Regina Apostolorum University in preparation for priestly ordination. He was ordained on December 24, 2005 in Rome, Italy at the Legionaries of Christ Seminary Chapel by Cardinal Norberto Rivera, Archbishop of Mexico City. In 2006 Fr Todd was assigned to both the GTA and Syracuse, NY to do youth work and help with the spiritual formation of men in the Regnum Christi Movement. In 2009 he began full time ministry in the GTA assisting with the Regnum Christi Movement’s development as a spiritual director, retreat master, assisting with couple’s groups through Familia Canada and offering spiritual assistance to young adults. On weekends he ministers at various parishes throughout the Hamilton diocese.


Fr. Steve Costello, LC

Fr. Steven Costello was born on March 8, 1979 in Titusville, Florida. He grew up in a Catholic family: his two parents, an older brother, and a younger sister. He studied music education at the University of Central Florida. In his third year, he sensed a call to the priesthood and that summer (2000), he entered the Candidacy program of the Legionaries of Christ in Cheshire, Connecticut. He did his novitiate in Cornwall, Ontario and his undergraduate studies in philosophy and theology at the Pontifical Athenaeum Regina Apostolorum in Rome. His carried out his internship period in Florida assisting a Legionary priest with boys retreats, organizing retreats and formation programs for adults, and seeking financial support for the seminarians in Cheshire. His ordination to the priesthood was conferred by Cardinal Velasio de Paolis on December 12, 2011 at St. John Lateran’s Basilica in Rome. After his ordination, he was sent to pursue his graduate studies (STL and STD) at the Pontifical John Paul II Institute for Studies on Marriage and Family in Washington, DC. He is currently writing his doctoral dissertation on the meaning of suffering. He will be serving as chaplain of the men and women in Regnum Christi, as well as, assisting with parishes in the Hamilton diocese.


Fr. Pierre Caouette, LC

Fr. Pierre is originally from Québec and has two younger sisters. He joined the seminary in Ontario at the age of 18. After twelve years of formation which brought him to Connecticut, New York, Cornwall and Rome, he was ordained a priest on December 24th, 2010. He was ordained with 60 other Legionaries, including his cousin Fr. Janick to whom he was very close during his youth and still is today.

After his priestly ordination, Fr Pierre stayed two more years in Rome to finish his studies. At his first assignment he went to join the Legionary community in Montréal, QC, where he was named associate pastor along with Fr Louis de Vaugelas LC – Fr Pierre Desroches, a diocesan priest, was their pastor. During those three years, he gave particular attention to youth and family ministry. In the summer of 2015 he was transferred to the legionary community of Oakville, ON, where he does youth work in team with Fr Thomas and the brothers.

Br. Luke Gill, LC

Brother Luke Gill was born on October 20, 1988 in Richmond, Virginia. He is the third of six children. The summer of 2008, after studying Biology for one year at Wheeling Jesuit University in Wheeling, West Virginia, Brother Luke heard Christ’s call and entered the Novitiate of the Legionaries of Christ in Cheshire, CT. He professed his vows of poverty, chastity and obedience two years later. Brother Luke received a bachelor’s degree in Philosophy after three years of studies in Rome. Since the summer of 2015, he has been a member of the Legionary community in Oakville and of the ECyD youth work team serving the youth of the GTA.

Br. Nathaniel Gregor, LC


Br. Nathaniel Gregor was born in Columbus, Ohio, the fourth of a family of twelve. He was a member of the ConQuest club there in Columbus and used to attend camps and retreats with the Legionaries. During that time he began to feel the call to be a priest. When he was twelve years old, he entered the Legion’s Immaculate Conception Apostolic School, which was located in Center Harbor, New Hampshire. Having graduated from there, he entered the novitiate of the Legionaries of Christ in Cheshire, Connecticut on September 14, 2012. He professed his vows of poverty, chastity, and obedience on August 30, 2014. After two years of humanities studies there in Connecticut he was sent to join the youth work team here in Ontario.