Hamilton Peyton, a younger son of John Peyton of Laheen, county Leitrim, married Susannah daugher of William Chambers of Kilboyne, county Mayo, and widow of Edmond Fynn of Ballymagibbon. They had a son John Hamilton Peyton and a grandson Bernard Peyton of Castlebar. Estates:

Peyton (Loughscur)

Estates:

Peyton (Port)

Estates:

Phayre

Estates:

Phelps

Estates:

Phibbs

The Phibbs family were important landowners in County Sligo and in the adjoining counties of Roscommon and Leitrim from the 18th century onwards Estates:

Phibbs (Drumlease)

Estates:

Phibbs (Drumlease)

Phibbs (Spotfield)

Estates:

Phillips

A Catholic family holding property in Co Mayo for 2 centuries. Philip Phillips was Bishop of Killala. Estates:

Phillips (Gaile House)

Estates:

Phillips (Gaile House)

Phillips (Mount Rivers)

Estates:

Phillips (Mount Rivers)

Phillips (Sligo)

Estates:

Phillips

Phipps

Estates:

Phipps

Piercy/Piercey

Estates:

Piercy/Piercey

Pigot (Park)

Estates:

Pigot (Park)

Pigot/Pigott

Estates:

Pigot/Pigott

Pigott (Chetwynd & Knapton) (Baronet)

Estates:

Pigott (Rathkeale)

Estates:

Pigott/Pemberton-Pigott (Slevoy Castle)

Estates:

Pigott/Pemberton-Pigott (Slevoy Castle)

Pike

The Pike family settled in county Cork in the 17th century. William Pike was a barrister and third son of Jonathon Pike of Beechgrove, county Tyrone. Estates:

Pike/Pyke

Estates:

Pike/Pyke

Pilkington (Abbeyville)

Estates:

Pilkington (Abbeyville)

Pim

Estates:

Pim (Carrigparson)

Estates:

Pim (Co Limerick)

Pim (Myrtle Grove)

Estates:

Pim (Co Cork)

Pitcairn

Mary Jane daughter of Arthur Guinness of Dublin was married to Rev David Pitcairn. Estates:

Plummer

Estates:

Plummer

Plunket (Baron Plunket)

Given the title Baron Plunket in 1827, this family intermarried with the Lynch Blosses and the Guinnesses. Estates:

Plunkett (Castleplunket)

Estates:

Plunkett (Dunkellin)

Estates:

Plunkett (Dunkellin)

Plunkett (Mountplunkett)

Estates:

Pocklington

Estates:

Poe (Co Tipperary)

Estates:

Pollexfen

Estates:

Pollexfen

Pollok

Estates:

Pomeroy (Viscount Harberton)

Estates:

Pomeroy (Viscount Harberton)

Pomeroy (Duhallow)

Estates:

Pomeroy (Duhallow)

Ponsonby (Earl of Bessborough)

Estates:

Ponsonby (Imokilly) (Viscount Ponsonby)

Estates:

Ponsonby/Carrique-Ponsonby

Estates:

Poole (Mayfield)

Estates:

Poole (Waterford)

Estates:

Poole (Waterford)

Pope

Estates:

Pope

Pope (Cork & Waterford)

Estates:

Pope (Cork & Waterford)

Popham

Estates:

Popham

Popham

Estates:

Popham (Bandon)

Porter

Estates:

Porter

Porter (Belle Isle)

Estates:

Potts

The Potts family resided at Correen Castle from the early 19th century. They were descended from a David Potts and Jan Trumperant. See http://www.geocities.com/u_furley/potts.html Estates:

Potts

Powell

Estates:

Powell

Powell

Ardgallen Estates:

Powell

Powell (Clonshavoy)

Estates:

Powell (County Kerry)

Estates:

Powell (County Kerry)

Powell (West Carbery)

Estates:

Power (Clashmore)

Estates:

Power (Clashmore)

Power (Clonmult)

Estates:

Power (Clonshire & Monroe)

Estates:

Power (Decies-without-Drum)

Estates:

Power (Faithlegg)

Estates:

Power (Glencairn Abbey) (Baronet)

Estates:

Power (Gurteen)

Estates:

Power (Kilconierin)

Estates:

Power (Middlethird)

Estates:

Power (Middlethird)

Power (Mount Richard)

Estates:

Power (Mount Richard)

Power (Ringacoltig)

Estates:

Power (Ringacoltig)

Power (Roskeen)

Estates:

Power (Roskeen)

Power (Slievardagh)

Estates:

Power (Slievardagh)

Power (Springfield)

Estates:

Power O'Shee (Gardenmorris)

Estates:

Power O'Shee (Gardenmorris)

Power/O'Neill Power (Snowhill)

Estates:

Power/O'Neill Power (Snowhill)

Praed

Estates:

Pratt

In 1834 a member of the Pratt family of Cabra Castle, Co Cavan, married the Jackson heiress of Enniscoe in the parish of Crossmolina, Co Mayo. Estates:

Pratt (Co Cork)