| RefNo | Title |
| KCON/4/2/6/6 | Allotment of land in Little Stukeley to John Heathcote, Esq., Quantity and yearly value given. |
| KAH/31/234 | Meeting house petition submitted by Thos Bateman and William Whitney, John Heathcote's house, Upton |
| KCON/4/2/14/17 | Request for Payment to John Heathcote, Esq. to pay to Messrs. Hardisty and Parker £7.10s. From S. Francoons(?). |
| KAcc148/UNCAT/5109/14/176 | Account book of Mary Anne Thornhill, deceased, John Heathcote Esq., and George Thornhill Esq., in account with Messrs. Child and Co. |
| KCON/4/2/20/3 | Act for Inclosing and exonerating from tithes, lands in the parish of Great Stewkley, otherwise Stukeley. |
| KCON/4/2/6/13 | Particular, Rental and Valuation of Mr. John Heathcote's Estate at Upton. |
| KAH/26/238/32 | Mandate for induction: George Heathcote B.A., Rector of Connington: patron, John Heathcote of Connington Co. Hunts Esq. |
| KCON/3/4/4/2 | Bond |
| KCON/3/3/D/33 | Copy Court Roll; Admission; Of John Heathcote, Conington Castle, on surrender of Eliz. Eddings, for £60 from Heathcote to Eddings. |
| KCON/6/2/10 | Receipt |
| KCON/3/3/D/30 | Copy Court Roll; Admission of John Heathcote on surrender of Edward Lovett for £200 from Heathcote to Lovett. |
| KCON/4/1/1/5 | Rental Conington estates: Conington, Steeple Gidding, Sawtree, Great Stukeley, Little Stukeley, Alconbury, Upton |
| KCON/3/10/4 | List |
| KCON/2/5/A/15 | Grant of Annuity (Deed Poll) |
| KCON/4/1/3/3 | Record of Charities of money, clothing and beef, doled out on the Conington estates - at Conington, Upton, Stukeley, Sawtry and Steeple Gidding. (N.B. labelled Xmas gifts - but does not agree with contents of vol.) |
| KCON/6/2/6 | Account Book of Mrs. Ann Skinner. Receipts and payments 1816-1822 |
| KCON/4/2/14/18 | Account to John Moyer Heathcote, exor. of the late John Heathcote, Esq. from Messrs. Hardisty and Parker, and Messrs. Parker and Sculthorpe. |
| KCON/4/2/9/1 | Account Book Expenses for Conington Castle and estates. |
| KCON/3/3/D/29 | Bond |
| KCON/4/1/1/4 | Rental Conington estates: Conington, Sawtry, Great Stukeley, Alconbury, Upton and Steeple Gidding. (Conington, Upton and Steeple G. include the cottage rents.) |
| KCON/4/2/6/4 | Appraisement of fixtures at Little Stukeley on the premises late or now in the occupation of Miss Baily taken for the proprietor John Heathcote, Esq. by Mr. Thomas Maile, Godmanchester. Covers woodwork inside the house and lead and piping outside. |
| KCON/4/2/21/5 | Plan (torn) Extract from plan accompanying Sawtry Enclosure Award. |
| KCON/3/5/12/20 | Admission (with Counterpart) |
| KCON/3/3/D/31 | Admission; Of John Heathcote, Esq., under a deed of bargain and sale of 7 Dec. 1828 from Messrs. John Dann, Lt.S., and Henry Gale, Great S., farmers, exors and trustees of the will of William Bebee, late of Lt.S., farmer, deceased. |
| KCON/3/5/11/22 | Admission |
| KCON/2/2/2 | Will; John Heathcote, St. George's, Hanover Sq., Esq. |
| KCON/3/3/B/8 | Abstract of Title; Of John Heathcote, Esq., to the Manor of Great Stewkley and messuages and lands in Great and Little Stewkley, Rectory of Gt.S. with glebe lands and all tithes. Moiety of the Manor of Broughton with apps. |
| KCON/7/10/12 | Letter George Bramwell, Lincolns Inn Fields, to Lieut. Gnl. Robt. Manners, Messrs. Adair, Evans and Marjoribanks. |
| KCON/6/2/52 | Receipted Bill to John Heathcote, Esq., from Messrs. Hardisty and Parker (solicitors) for legal expenses re. the Will of Mrs. Ann Skinner. |
| KCON/6/2/2 | Account from Edwards, Lancaster and Edwards (solicitors) |
| KCON/6/2/44 | Receipted Bill to John Heathcote, from R. and J. Newton, undertakers, Wardour St., for the funeral of Mrs. Ann Skinner at Brompton Church. |
| KCON/4/1/3/5 | Executors' Accounts Receipts and Payments made by Lydia Heathcote as sole executrix of her husband, John Heathcote, who died on 19 July, 1795. |
| KCON/1/E/1 | Account from Little Stukeley General Court to John Heathcote, Esq., under a deed of Bargain and Sale from Mr. Bebee's Executors. Total £7.10.4d. |
| KCON/4/1/2/2 | Account Book of Conington estates. Receipts and payments. Conington, Upton and Stukeley to 1775. With Steeple Gidding from 1775. Saltree from 1806. Little Stukeley from 1815; Alconbury from 1828. |
| KAH/26/237/123 | Mandate for induction: Joseph Proctor D.D., Rector of Connington: patron, John Heathcote of Connington Castle Co. Hunt. Esq. |
| KCON/4/2/16/46 | Certificate of the Contract for the Redemption of Land Tax, County of Rutland. |
| KCON/4/2/2/16 | Rental of cottages on the Heathcote estates in Conington, Upton, Steeple Gidding. |
| KCON/4/2/6/5 | Particulars of Stukely Estate. |
| KCON/4/2/20/1 | Bill of costs incurred in soliciting and obtaining an Act for inclosure of Upton. |
| KCON/7/10/15 | Letter from William Morley, Peterborough. to John Heathcote, Esq., Charles St., Berkeley Sq., London |
| KCON/7/9/1 | Letter to John Burcham, Esq., Stilton (one of the Inclosure Commissioners) from W. Wells, Holm Wood, (land of the Manor of Glatton and Holme.) |
| KCON/4/2/11/9 | Account John Henson Ladds and John Heathcote, Esq. |
| KCON/6/1/4 | Quitclaim |
| KCON/6/2/42 | Receipt to Mr. Heathcote, from ? for the use of Mrs. Skinner. Board and wine. |
| KCON/4/2/20/2 | Inclosure Expenses Upton 1812 - 1821; Stukeley 1814 - 1819; Expenses incurred for hedging, ditching, Weeding etc. in connection with these two inclosures. |
| KCON/6/2/50 | Account of the personal estate of Ann Skinner late of 6 New St., Chelsea, Middx., widow, who died on 1 Aug. 1835 |
| KCON/4/1/1/2 | Rental Conington estates: Conington, Upton, Steeple Gidding, Stukeleys, Sawtry. Includes cottage rents |
| KCON/2/5/A/14 | Marriage Settlement |
| KCON/3/10/8 | Assignment of Term |
| KAcc148/UNCAT/5109/10/135 | Account of Mrs Mary Anne Thornhill, John Heathcote and George Thornhill, Esq., Trustees under the will of the late George Thornhill Esq., of £12,000 in The Islington Trust Estate |
| KAH/26/238/33 | Mandate for induction: George Heathcote B.A., Rector of Steeple Gidding: patron, John Heathcote of Connington Co. Hunts Esq. |
| KCON/4/2/14/15 | Account to John Heathcote. Lawyer's expenses. |
| KCON/6/2/18-21 | Receipts from Mrs. Ann Skinner to John Heathcote for payment of her annuity. |
| KCON/6/2/3 | Share Certificate; Issued to Mrs. Lydia Heathcote and John H., Esq., for £439.9.3d. Navy 5% Annuities. |
| KCON/4/2/8/71 | Bill to John Heathcote, Esq. For expenses connected with the drafting of the mortgage to the Duchess of Bolton. |
| KAcc148/UNCAT/5109/10/128 | Appointment and Release (Draft Copy) of land in St Mary, Islington, Middlesex |
| KCON/2/5/A/16 | Declaration of Trusts and Revoking of Former Trusts. |
| KHCP/1/20/9 | Deposition: John Sexton and his sons Robert Sexton and Burrows Sexton. Holme charged with stealing a sheep (40/-) from Original Mackness, Sawtry St. Andrews, farmer and a lamb from Thomas Jenkins, landlord of the Woolpack Inn, Connington and farmer (renting from John Heathcote Esq.) Evidence from Sarah Clarke, Holme; Elizabeth Wilson Holme, William Smith shepherd to Jenkins; William Sams, farmer, Holme; John Edgson Sawtry All Saints, butcher. |
| KCON/6/2/53 | Quitclaim; Mary Totton, late of Chertsey, Surrey and now of Alfreston, Sussex, widow, and Charles Bird, late of Neville's Court, Fetter Lane, London, and now of Wilson St., Grays Inn, printer. |
| KCON/4/1/2/11 | Wages Book; Account of wages paid by John Heathcote for work done on his estate. |
| KCON/4/2/14/16 | Account to John Heathcote from Alex. Murray. Solicitors' expenses. |
| KCON/4/1/1/3 | Rental Conington estates: Conington, Steeple Gidding, Sawtry, Little Stukeley, Upton, Great Stukeley. Includes cottage rents |
| KAH/26/237/83 | Mandate for induction: Joseph Proctor DD., Rector of Steeple Gidding: patron, John Heathcote of Conington Co. Hunts Esq |
| KCON/2/5/A/12 | Marriage Settlement |
| KCON/3/3/D/34 | Copy Court Roll; Admission; Of John Moyer Heathcote, on death of and under the will of John Heathcote, decd. |
| KCON/3/3/B/10 | Deed of Exchange (Lease and Release) |
| KCON/3/10/2 | Mortgage (and Assignment of Term) |
| KCON/7/10/16 | Note from E. Sweeting. I have the conveyance to Mr. Heathcote to get presented at the next Court. |
| KCON/4/2/5/11 | Inventory, Valuation and Appraisement (copy); Taken at Gidding on a farm in the occupation of Mr. John Henson Ladds by Mr. Pocock and Mr. Maile. |
| KCON/3/7/3/8 | Lease and Release |
| KCON/4/2/8/70 | Account from John Hinde to John Heathcote, Esq. Payments and receipts re Heathcote's estates. |
| K676/Q/47 | Copy of painting by Gainsborough of John Heathcote, Esq., of Conington Castle as a young boy, elected 1796. |
| KCON/6/2/49 | Receipt from Jane Peat to John Heathcote, exor of the will of the late Mrs. Skinner for £10.10s. - the legacy left left to J. Peat, in the will. |
| KCON/5/8/10-14 | Letters Bigoe Charles Williams, Lincoln's Inn, to John Heathcote, Conington Castle (both exors. of the estate.) |
| KTORK/17/243 | Deed of Exchange |
| KCON/7/10/13 | Letter Earl of Sandwich, Hinchingbrooke to John Heathcote, Esq. |
| KCON/4/2/10/14 | Account to John Heathcote, Esq., from Alex Murray for expenses incurred re. the paying off of the mortgage on Heathcote's estates in Stewkley. Total £28.12.8d. |
| KCON/2/2/3 | Will (copy); John Heathcote, St. George's, Hanover Sq., Esq. |
| KCON/4/2/14/25 | Legacy Receipt Inland Revenue to John Moyer Heathcote, Robert Boothby Heathcote, George Heathcote, Mary Anne Lydia Packe, and Frances Catherine Rooper. |
| KCON/3/3/D/32 | Copy Court Roll; Admission; Of John Heathcote, Conington Castle, Esq., on surrender of William Bedford, Lt.S., butcher, for £60 from Heathcote to Bedford. |
| KCON/3/10/3 | Bond (and copy) |
| KCON/4/2/8/72 | Bill from Messrs. Harrott and Metcalfe, Linclons Inn, to Alexander Murray, Esq., Symonds Inn. |
| KCON/6/3/2 | Disentailing Deed |
| KCON/4/2/20/4 | Notice of Authority to the Commissioners for the Inclosure of Glatton with Holme, authorising them to exchange Constable Close in Conington for an equivalent of land in Glatton Field with John Heathcote, Esq. |
| KCON/5/8/15 | Appointment of New Trustees and Quitclaim (copy) |
| KAcc148/UNCAT/5109/14/173 | Articles previous to marriage, between John Heathcote and Mary Anne Thornhill |
| KAcc148/UNCAT/5109/10/125 | Release [Lease missing] of Hilly Fields, Islington, Middlesex |
| KAcc148/UNCAT/5109/14/174 | Settlement on the marriage of John Heathcote and Mary Anne his wife |
| KCON/3/4/4/3 | Schedules of Deeds and Writings relating to the estate of John Heathocte, Esq. at Upwood. The Manor and lands bought of the Cotton family and Hull's farm. |
| KCON/7/3/2 | Letter from Alex. Murray, Symonds Inn, to John Heathcote, Esq. re. the annuity of £20 for the Rector of Conington. |
| KAcc148/2/G/729 | Release |
| KCON/6/2/5 | Share Certificate; Issued to Mrs. Lydia Heathcote, and John H., Esq., for £94.6.8d. Navy 5% Annuities. |
| KCON/3/2/C/4 | Agreement |
| KCON/3/3/B/7 | Assignment of Terms in Trust |
| KCON | Conington Collection |
| KCON/4/2/21/3 | Plan (torn) of estate in Little Stukeley |
| KCON/3/4/4/1 | Mortgage and Assignment of Term. |
| KCON/3/3/B/6 | Mortgage (Lease and Release) |
| KCON/4/2/5/10 | Inventory and Valuation of the farm at Steeple Gidding in the occupation of Mr. Henson Ladds. |
| KBLC/2/16/43 | "Old Precepts for Delivering Possession of Land Sold for Arrear of Taxes" |
| KCON/3/3/B/9 | Lease and Release |
| KCON/3/2/C/3 | Conveyance (copy) |
| KCON/6/1/5 | Marriage Settlement (Heads of) |
| KAcc148/UNCAT/5109/10/127 | Declaration of Trust and Covenant |
| KCON/2/5/A/11 | Marriage Articles (Agreement and Deed to Lead Uses of Common Recovery) |