THE Legion of Mary Apostolate was introduced in Uganda by a lady from Ireland, Edel Quin at Nsambya Parish on July 22, 1938 .The devotion now exists in  more than 400 Parishes  in the 19 Dioceses of Uganda. The Pioneer presidium of the Legion of Mary was started in Nkokonjeru Parish in 1938 , and it is still serving.

The object of the Legion of Mary is the glory of God through the holiness of its members developed by prayer and active cooperation under ecclesiastical guidance, in Mary’s and the Church’s work of crushing the head of the serpent and advancing the reign of Christ.

Main activity is Legionary Apostolate i.e. visiting the sick, praying for the dead in cemeteries, Charity work, spreading catholic literature, promoting catholic devotions, visiting prisoners etc.

Meetings are conducted weekly and reaching out to the people both within and beyond the parish.

All Catholics who faithfully practice their religion and want to fulfill their role in the apostolate of the church are prepared to fulfill all duties of active membership.

Catholics have to be sacramental and a probation period of three months is given to new members.

Legion of Mary at Christ The King Parish is made up of the following Presidiums:-

• Refuge of Sinners – The Presidium started on 17th April 2013.
• Singular Vessel of Devotion Praesidium
• Mother of Christ Praesidium
• Gate of Heaven Praesidium
• Mother of Mercy Praesidium
• Mother Most Pure Praesidium
• Bikira Maria Omubuulirizi Omulungi
• Bikira Maria Wankaaki w’Eggulu
• Bikira Maria Munyeenye ya Kumakya
• Bikira Maria Omuzadde Asaanidde Okwagala
• Bikira Maria Nnyina Katonda
• Bikira Maria Eyatwalibwa mu Ggulu
• Bikira Maria Mugole wa Mwoyo Mutuukirivu.