The marriage in the Maughold register has:
John Garret (Lezayre) & Ann Radcliffe married 20 Feb 1787.

So Ann was from Maughold (or possibly Ramsey) at that time.
IF she was bapt in Maughold, Anne daur of William Radcliffe & Jane Killey bapt 3 Jun 1759 seems to be the only one.

William Radcliffe & Jane Killey married in Maughold 22 Feb 1757.
Children bapt:
Jane [daur of] William Radcliffe/ Jane Killey [bapt] Parish Church 20 Nov 1757. [Jane daur of Wm RADCLIFFE buried Jun 6 1758.]
Anne [daur of] William Radcliffe/ Jane Killey [bapt] Parish Church 3 Jun 1759
Thomas [son of] William Radcliffe/ Jane Killey[bapt] Parish Church 21 Aug 1763
William [son of] William Radcliffe/ Jane Killey [bapt] Parish Church 27 Jun 1766.

Radcliffe was not a common name in Maughold.
Jane RADCLIFFE als KELLEY buried Jul 24 1784?

Sue