[1] Ultan founded a school, educating and feeding its poor students, and was noted for his work in collecting the writings of Saint Brigid and illuminating them.
The annotation explains that the Yellow Plague attacked adults more than children and described the piteous scenes of human suffering witnessed during its continuance.
[6] He is said to have invented a method of feeding his young charges by "procuring a number of cows' teats, which he filled with milk".
[7] He is now regarded as the Patron Saint of paediatricians, a well known children's hospital and a special school in Navan being named after him.
[8] The church at Upper Killinkere takes its name from St. Ultan, a well-known patron of children, whose abbey was established at Ardbraccan between Kells and Navan in the 6th century.
[10] The establishment of Saint Ultan's Children's Hospital was the result of the activity of a group of female doctors and activists, including Madeleine ffrench-Mullen and Kathleen Lynn, who were deeply concerned at the high level of infant mortality in Dublin, and the rise of infant syphilis in the wake of the First World War.