On 4 August 1984, he was ordained to the priesthood for the
Roman Catholic Diocese of Shrewsbury. From 1984 to 1988, Egan served as parochial vicar at St Anthony's, Woodehouse Park, Manchester. From 1988 to 1991, he served as an assistant chaplain at the
University of Cambridge. From 1991 to 1994, he served as parish vicar and chaplain at Arrowe Park Hospital on the Wirral. From 1994 to 1995, he completed theological studies at
Boston College in the United States, and then served as a professor of fundamental theology and dean of studies at
Oscott College seminary in
Birmingham until 2007. In 2007-2008, he was a post-doctoral fellow at Boston College's
Lonergan Institute. In 2008, Egan became parish priest of Our Lady and St Christopher's in Stockport. In 2010, he was named to his previous post as Vicar General of the Diocese of Shrewsbury. ==Episcopate==