[3] Morrow's first charge was at Seymour Hill Presbyterian Church near Lisburn, where he served as minister and pursued a career in the difficult and often controversial area of ecumenical relations.

[3] In 1965, Morrow was a founding member of the Corrymeela Community, a Christian group committed to promoting peace and reconciliation in Northern Ireland.

[2] He also developed important links with church figures in the Netherlands, including the controversial Roel Kaptein, who shared with Corrymeela some of the stimulating philosophy of the noted critic and Bible commentator, René Girard.

[3] During the darkest days of the Troubles, Morrow regularly arranged sanctuary for families being intimidated by paramilitary organisations on both sides of the political divide in Northern Ireland.

[4] As Presbyterian Chaplain at Queens University, he encouraged the movement known as The Peace People, under the leadership of Betty Williams and Mairead Corrigan.