In "Topographical Dictionary of Ireland" subscribers list c.1837 there appears Joseph Penrose, Philipstown, co. Kildare. Robert Adair (d.1737) of "Hollybrook" co. Wicklow just south of Dublin was M.P. for Philipstown.One of his daus. m. Molesworth who owned estates of Philipstown and there was a Molesworth also M.P. for Philipstown. Believe the Betham's Pedigrees for Penrose/Adair may be a marriage of a relative of this Robert Adair.