Owen’s family claimed descent from Hwva ap Cunddelw, the twelfth-century founder of the first of the 15 noble tribes of north Wales.
In view of his youthfulness and kinship with Chichester, it seems likely that Owen accompanied his illustrious relative on a diplomatic mission to the Palatinate in May 1622. Interestingly, his entry to Lincoln’s Inn, on 23 Oct. 1622, occurred only after Chichester returned to England. Nothing else is known of Owen until he was elected to Parliament for Pembroke Boroughs in 1626. He was clearly a strong candidate for the seat, partly because of Orielton’s proximity to Pembroke but also because, as lessee of the former priory lands of Monkton, situated within Pembroke, he could affirm that he was no outsider. He may even have been able to argue that he represented the Devereux interest, which had traditionally controlled the borough’s seat, as Monkton was leased from the 3rd earl of Essex,
Owen played no recorded part in either the 1626 or 1628 parliaments. Appointed to the Pembrokeshire bench in 1629, he subsequently served two consecutive terms as mayor of Pembroke (1632-4), during the second of which he occupied the county’s shrievalty. In March 1640, while in the midst of a third term as mayor, he was returned to the Short Parliament for Haverfordwest rather than Pembroke, a departure from his accustomed choice of seat which may have owed something to the Commons’ rule that no mayor should return himself. At the next general election, however, he was able to revert to his former borough. In August 1641 he was knighted, and the following day he purchased a baronetcy. A parliamentarian at the outbreak of the Civil War, he was later captured and changed sides, joining the king at Oxford and fleeing to Anglesey after the royalist war effort collapsed. Despite the sequestration of his estates, and his support for the 1648 Pembroke rebellion, he regained his local standing during the 1650s and was re-elected for Pembroke at the Restoration. A monumental inscription in Monkton church records his date of death as August 1670, but this is clearly incorrect as he drafted a brief will on 4 Sept. 1670. He was certainly dead by 9 June 1671, when probate was granted to his executors.
