All of the Prerogative Wills of Ireland were destroyed by a fire in the Dublin courthouse in 1922, but before that Sir William Betham had created an index and took notes of the genealogical data in the wills from 1536 to 1800.
From: Betham's Genealogical Abstracts, Family History Library film #595944:
Vol 55 pg 44: Petticrew, Hugh, of Belfast, Co. Antrim, merchant. Will dated 8 Jan 1742/43; proved 21 Feb 1742. wife Hannah; only son John; daughter Hannah; daughter Margaret, wife of Samuel Allen; stepdaughter Sarah Smith; grandchildren Hugh, Jeane, and Elizabeth Allen, children of said Margaret; sister Elizabeth, wife of John Petticrew of Knocknagowny.
Vol 55 pg 132: Pettycrew, Hannah, of Belfast, Co. Antrim, widow. Will dated ---?--- 1757; proved 29 Sept 1760. first husband James Smith; brother in law Francis Smith; sister in law Margaret Knox; late husband Hugh Pettycrew; Margaret, daughter of said husband Hugh; Hugh, Jane, and Elizabeth Allen, children of said Margaret; grandaughter Jane Irwin; son John Pettycrew; daughter Hannah, wife of James Patrick; grandaughter Abigail Armstrong, daughter of said Hannah Patrick; John Armstrong, former husband of said daughter Hannah.
Death info for Hannah:
From:Register of the Parish of Shankill Belfast 1745-1761; ed. Raymond Gillespie and Allison O' Keeffe 1760Sept. 12 Burial:"Petticrew, Hannah, widow, buried in ye Ch-yard."
From:Belfast Newsletter, 16 Sep 1760 "Last Thursday died Mrs. Hannah Petticrew of Belfast, widow, who for many years carried on an extensive trade in the linen manufacture.She was punctual and just in all her dealings, a sincere friend, and an indulgent tender parent.Many poor[?] tradesmen will sensibly feel her loss, and she is justly lamented by all who were acquainted with her."