Bushmills is in the civil parish of Billy
in 1776 Carnegie listed in Public Record Office for Northern Ireland
PRONI Reference : D1364/L/1Title : Deputy Court Cheque Book for County Antrim.
Dates : 1776 Description : Deputy Court Cheque Book for County Antrim. Endorsed "William Young, Fenaghy, Ballymena". Transcribed as follows:
17_3_Carnegie_Daniel_Carnhill______?
67 Daniel Carnegie Carnhill Carnhill
but I couldn’t find Carnhill in co Antrim except some roads near Newtownabbey
tithes
none under
http://www.irishgenealogyhub.com/antrim/tithe-applotments/billy-parish.php#.WO84thiZMwQ others found.
Carneggy, Jas.-Townland: Drimnagessan Year: 1824-Ballintoy -Antrim
Carneggy, John-Townland: Drimnagessan Year: 1824-Ballintoy -Antrim
Carnegie, A.-Townland: Carnfeeoge Year: 1827-Derrykeighan-Antrim
Carnegie, A.-Townland: Carnfeeoge Year: 1827-Donegore –Antrim
1859 Griffiths valuation see
http://www.askaboutireland.ie/griffith-valuation/Carnegie James Ballylough More Billy Antrim
Carnegie Alexander Aghrunniaght Armoy Antrim
Carnegie John Carnkirk Billy Antrim
Carnegie Rose Curramoney or Billy Billy Antrim
Carnegie William Main Street,(Clogher North) Billy Antrim ie Bushmills
exploring john above map ref unclear 9Af or just—f
looks likea group of houses Carnkirk a small village or hamlet
checking modern google street scene
https://www.google.co.uk/maps/@55.2217584,-6.4852702,3a,75y,179.85h,61.37t/data=!3m6!1e1!3m4!1sGFiIdEW-6W16MgqAT-8SkQ!2e0!7i13312!8i6656!6m1!1e1 map gets you among the group of older buildings among more recent
trying to spot the Dromore Co Down connection nothing found
http://freepages.genealogy.rootsweb.ancestry.com/~rosdavies/SURNAMES/C/CaraCarq.htm#carnMiss Mary CARNEGIE . Down married Thomas McCandless 6 Oct 1859 at Downpatrick Church of Ireland PR
PRONI Dyett nothing found in wills or e catalogue at PRONI that’s all I can offer
leaves church records see PRONI online quide to Church records then look up Billy
good luck