The Wm. Halpin mentioned in the first deed here may not be the same as the one mentioned in the deeds below. I've still one deed left to decipher, which has the potential to be very informative.
William Halpin/Thomas Penrose 601 39 407712
Indented lease bearing date 22nd August 1806 between William Halpin of the town and county of Wicklow and Thomas Penrose of [Brittas?], Wicklow County, Esquires, and Hannah Penrose, of Wicklow Town, Spinster...the deed deals with property adjoining Lawrence McCabe’s holding – bounded on the east by the Street’s Market Place, on the west by Lawrence McCabe’s holding, and on the north by the late Robert Bullock’s holding and on the south by the Earl of Meath’s holding...witnessed by George Hobbert and Samuel Bury, gents, both of the said town of Wicklow, and Wm Manifold.
William Halpin/Robert Kane 1846 5 299 (Note the last name mentioned)
Indented deed dated 12th January 1846 made between Edward Litton Esq [...?...] of the Masters of Her Majesty’s High Court of Chancery in Ireland, Edward Acton Gibbon of Sandymount, Dublin, Esquire, Sole assignee of the Estate and Effects of William Halpin, an insolvent debtor, James Gibbons of Ballingael, Westmeath, Esq., Godfrey Levinge of [?] in Tipperary and Edward Symes Bayley of Ballyarthur, Co. Wicklow, Esquire, Edmund Mooney, Henrietta Street, Dublin, Soliciter, and Robert Kane, Dublin, Esq.,...as a result of a decree and other proceedings in a Cause in the Court of Chancery wherin James Gibbons was plaintiff and E A Gibbon, Godfrey and E S Bayley were the defendants...in obedience to court decree Robert Kane deposited £5,950 in the Bank of Ireland and paid 10s to each defendant...with the approbation of E. Litton...with the consent and by the direction of Edmund Mooney...[and so on. It mentions the town and lands of Glardree, Tulla, Co. Clare (1811)...transferred from Sir Joseph Peacock to Peter Purcell...] Witnessed by Simon Henry Nolan of Henrietta Street, James William Middleton Berry of Seamingtow in Warwickshire, Esq., and James Kilkee/Kilbee of the Wooden Bridge Hotel, County Wicklow, Hotel Keeper.
William Halpin/J W O’Fallon 1847 8 22 [Note the last name. I don't know if we've mentioned A. Halpin before. Who could it be? Male or female?]
Memo of indenture dated 1st September 1840 between William Halpin of Castleforbes, County Dublin, Esquire, and James William O’Fallon of Blessington Street, Dublin, Esquire, Barrister, whereby after reciting that George Flood late of Cranagh [?], Co Roscommon, Esq., deceased, was in his lifetime and at his death seized in fee of all the town and lands of Cranagh...by a certain indented deed of Conveyance bearing date 28th May 1830 the said lands were conveyed unto William Halpin and his heirs...after further reciting that William Halpin had agreed to convey his right to title and interests in said lands etc unto James William O’Fallon...[for £20 Halpin sold the lands and interests of Cranagh – including mill and watercourse erected thereon with the dwelling office and demesne lands of Cranagh to O’Fallon]...Witnessed by James Leeson, Dublin, Clerk, and Tankerville W Chamberlain of Dublin, Esquire, Barrister...and by A. Halpin [Andrew Halpin?] of [elugus/augus/dugus] in the Kingdom of France.
William Halpin/Dunn 1848 21 32 (is Halpin attempting to generate cash?)
Indented lease dated 25 February 1839 between WH, Dublin, Esq., and Michael J Dunn of Amiens Street, Dublin, Builder. Halpin let unto Dunne that parcel of land on the North Strand being part of Lot No. 50 measuring in front to West Road 72’, on south side to Sheriff Street 79’...and so forth – from this point on the deed simply outlines the dimensions of the lot in question. Witnessed by John Joseph Clark, Lower Ormond Quay, Dublin, Solicitor, and “Cyprian Nial” of Phibsboro Avenue, Dublin, Clerk.