Hi Patsy.
A couple of Comber Thompson / Thomson marriages. Don't know if they connect to your lot, but they might.
Married on the 5 October 1855.
Ist Presbyterian Church, Newtownards, Co Down, by license by Julius McCullough.
David Irvine, full age, a bachelor, a labourer, resided Drumhirk, Co Down.
Father, William Irvine, a farmer.
Esther Thompson, full age, a spinster, resided Ballyskeagh, Co Down.
Father, James Thompson, a farmer.
Witnesses, Robert Bell and Sarah Thompson.
Married 14 August 1869.
Regent Street Presbyterian Church, Newtownards, Co Down.
By license by Thomas Watters, minister.
William Quin, age 25, a bachelor, a farm servant, resided Cullintraw, Comber.
Father, John Quin, a farmer.
Margaret Thomson, full age, a spinster, a servant, resided High St., Newtownards.
Father, John Thomson, a labourer, deceased.
Witnesses, James Todd and Elisa Thomson.
Index reference in the Register of Marriages, 1869 / Newtownards / volume 11 / page 975.
(I think this system of reference only applies at Dublin GRO now,)
Regards,
Dixie