[2] Philip Og's mother was Jane Betagh, probably from Moynalty, Barony of Kells Lower, County Meath, who married his father some time before November 1641.
Reyley was probably the Philip Reilly junior who was elected a member of Cavan Corporation on 23 February 1688.
[3] In the Patriot Parliament of 1689, Philip Og was elected to represent the Borough of Cavan along with Hugh Reily.
[citation needed] Philip Og O'Reilly died early in 1703 and is probably buried in France.
Poem XXIII in James Carney's 'Poems on the O'Reillys' was written to commemorate his death by the author Fr.