Background
Drennan was a son of William Drennan and a grandson of Thomas Drennan, minister of the First Presbyterian Church, Belfast.
Drennan was a son of William Drennan and a grandson of Thomas Drennan, minister of the First Presbyterian Church, Belfast.
He had an elder brother, William Drennan (1802-1873). His poems, On the Telescopic Moon and Epigrams were featured in The Faber Book of Irish Verse in 1974.
