Thomas BANNAN s/o Thomas BANNAN & Catherine LENNAGHAN chr 20 Jan 1793, Kirk German, IOM
He had 3 full brothers:
William chr 15 Apr 1791
Charles chr 10 Jan 1797 (m Mary LOGAN, 2 dau)
James chr 2 dec 1798

and half brothers & sisters by his father's marriage second marriage to Catherine CHRISTIAN, namely
Ann chr 3 Mar 1800 (m John QUAYLE, 7 childrn)
Andrew chr 25 Sep 1803
Elizabeth chr 31 Mar 1805
Jane chr 16 Nov 1806
Daniel chr 2 Oct 1808 (m2, 6 chldrn) &
Robert chr 25 Apr 1813 (m Elizabeth CORLETT) from whom I descend

all chr Andreas, IOM

I believe that Thomas BANNAN & Catherine LENNAGHAN probably emigrated from Ireland, given that both names are common there, but relatively uncommon in the IOM. My Bannan ancestors were involved in the fish trade based in Peel, IOM.

I have more information on descendants for anyone interested.