re: "Capt James Agnew who came over in 1717, son of James and grand-son of Alexander Agnew of Whitehills, Scotland."
Would that be Whitehills, near Whithorn, Wigtownshire, Scotland ?
There may be more information from the papers of the Agnew Family of Lochnaw, Wigtownshire, Scotland which also includes -
Irish Estate, Kilwaghter / Kilwaughter (near Larne)Barony of Upper Glenarm, co Antrim, North Ireland AD1636-1712 :
50529 April 1636
Lease by Sir Randell McDonell, earl of Antrim, to Sir Patrick Agnew of Lochnaw, of his 3 townlands in the 'Toche' (Tough) of Larne, (Barony of Upper Glenarm, co. Antrim, Northern Ireland) for 77 yrsviz.
Lelies / Lealies,
Drumidonochie / Drumadonaghy,
Drumicho / Drumnahoe
Balliaderdawn / Ballyedward , for 77 years
(see map of Parish of Kilwaughter townlands at the PRONI website)
Copy of ratification by the said Sir Patrick and Andrew Agnew, his son and apparent heir, to Patrick Agnew in Ballikeill / Ballykeel, (Parish of Kilwaughter, co. Antrim)
of his lease of the quarter of land of Ballikeill, a parcel of the townland of Drwmnedonachie / Drumadonaghy in Learne (Larne, co. Antrim, N. Ireland)
50717 April 1641
Lease by Milmore Ogneeve of Altscale to Patrick Maxwell, dwelling in Ballikele, of 28 acres called Lease-drimbard, part of the townland of Altscale, for 21 years.
50810 May 1645
Factory by Sir Patrick Agnew of Lochnaw to Andrew Agnew, his son and heir, to possess, set and receive the rents of his lands of Larne (co. Antrim, N. Ireland).
50922 May 1645
Leases granted by Andrew Agnew (all beginning 1646)
1. Andrew Blair, John Yuing (Young), Alexander Dinlap (Dunlap / Dunlop) and Adam Belione, 100 acres of Drumnicho / Drumnahoe, for 1 year.
2. Patrick Agnew and Ninian Montgumrie (Montgomery), 50 acres in Leales / Lealies and 10 acres in Drumnicho, for 1 year.
3. Thomas Steill (Steel ?), John Mure (Moore ?), Florie Lich (Leech / Leach) and John Blair, 120 acres of Drumnadonachie / Drumadonaghy, for 1 year.
4. William McChachie, 90 acres in Leles / Lealies, for 6 years.
5. Capt. Alexander Dundas, the five quarter land belonging to Ogneve and his subtenants and the half townland of Listron-baird / Lisdrumbard / Lisdrumbarde, for 11 years.
51019 Nov 1651
Petition by Patrick MAXWELL to the Commissioners of the Applotment to be restored to his possession of the lands of Lisdrumbard / Listronbiard / Lisdrumbarde, from which he had been excluded by the sheriff of Galloway; bearing order for his reinstatement and list of tenants
51112 April 1652
Assignment by Patrick Maxwell to Sir Andrew Agnew of Lochnaw of his right and possession of 56 acres of Lisdrumbarde and the whole five quarters of lands, commonly called 'the Agnewes (Agnew’s) lands'
512AD1652-1657. 8 items
Cells rolls and other papers relating to assessments upon Sir Andrew Agnew's lands and other lands in the barony of Glenarm
51328 Oct 1653
Petition by Sir Andrew Agnew to the Commissioners of Revenue for the province of Ulster, for repayment of rent of his lands taken up by the collector of the barony of Glenarm; bearing order in terms of the petition
List of goods and livestock belonging to Sir Andrew Agnew's tenants in the parish of Kilwaghter / Kilwaughter
Rental of Sir Andrew Agnew's old lands
5168 items. AD1653-1656
Accounts and receipts for the rents of Sir Andrew Agnew's lands in Kilwaghter
51730 Nov 1654
Depositions by Capt. John Agnew and James SHAW of Ballygelly, concerning the lease granted by the earl of Antrim to Sir Patrick Agnew
Note of cess payable out of each barony in co. Antrim
51919 Feb 1657
Lease by Sir Patrick Agnew of Lochnaw and Sir Andrew Agnew, his eldest son, to Patrick Agnew in Ballikeill / Ballykeel of the quarterland called Ballikeill / Ballykeel, part of Drumnedonochie / Drumadonaghy, with half of the moor, for 57 years
52016 Oct 1657
Receipt by Adam Boyd of Bushmills to Sir Andrew Agnew for the lease granted to the latter's father by the late earl of Antrim
52121 May 1659
Lease by Sir Andrew Agnew to Patrick Agnew of Beleekeel / Ballykeel of the three townlands called Lellis / Lealies, Drumidonychie / Drumadonaghy, Drumniko / Drumnahoe, and Belyaderdawne / Ballyedward, excepting the quarterland called Balykeell / Ballykeel, for 11 years
52215 Aug 1659
Receipt by John Mountgomry to John Donnaldsone for the freight of slate shipped to Scotland
52316 June 1665
Receipt for rent due to Sir Andrew Agnew of Lochnaw by Patrick Agnew of Kilwoghter / Kilwaughter
52426 March 1675
Lease by Sir Andrew Agnew to Patrick Agnew of Killwaghter of the three townlands commonly called Lelish, Drumnidonochie and Drumniko, Beliaderdawn, except for Bellikeill alias a part of Drumnidonochie, together with half of the moor, for 11 years.
Rentals of Sir Andrew Agnew's lands in the parish of Kilwaghter
5262 items. AD1690-1691
Receipts for the rents of Kilwaghter, 1686-7, collected by James Wilsone / Wilson
5273 items AD1690-1693
Account and receipts for the rents of Kilwaghter, collected by Patrick McCaigchie
52823 Nov. 1691
Leases granted by James Agnew of Lochnaw (all for 7 years)
1. William Willie (Wylie), 38 acres called the Mickel Well.
2. James Kid (Kidd)and Thomas Whit (White), 45 acres.
3. John Speir (Spier / Speer), 10 acres in Drumechoe / Drumnahoe
52916 Nov 1692
Title Lease by Sir Andrew Agnew, sheriff of Wigtown, to James Archibald and James Ramsay of 39 acres in Drummidonnaghan / Drumadonaghy, for 11 years
5303 items. Nov 1692
Rent-rolls and accounts of rents of Kilwaghter, collected by James Getty
53120 Nov 1693 – 1 Aug 1695
Factory by Sir Andrew Agnew of Lochnaw to Patrick Agnew of Kilwaghtter to collect his rents in the parish of Kilwaghter; with bond by the latter to account to James Agnew of Lochnaw for the same
5328 items AD1693-1708
Rent-rolls and accounts of payment of the rents of Kilwaghter by Patrick Agnew
53314 items. AD1695-1705
Receipts for payments by Patrick Agnew out of the rents of Kilwaghter
5345 items. AD1702-1712
Title Account and receipts for payments to Sir James Agnew by Capt. James Stewart of Killimane.
55029 May 1644
Bond by John Ross of Balneill to relieve Sir Patrick Agnew of Lochnaw, sheriff, Andrew Agnew, apparent of Lochnaw, and Thomas Stewart, sheriff clerk, in the exchequer for the feu-farms and duplication due upon the infeftment of Sir Robert Adair in the mains of Sawlsait, St. Johnes Mylne and Barholis Mylne
675AD1699 - 1700
Letters from Sir James Agnew of Lochnaw to (Andrew) HOUSTOUN, writer in Edinburgh, his cousin, concerning the settlement of debts and other legal business.
1. Lochnaw, 9 January 1699;
2. Lochnaw, 2 October 1699;
3. Stranraer, 10 April 1700
Contemporary notes of the marriage of Andrew Adair, minister at Whithorn,
and Isabella McDoual (McDowall / McDowell), and of the births of their children.