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Stephen and I visited Killineer on Saturday June 9th, one of our first houses to visit once Covid restrictions eased. I like the drive up along the M1 motorway, over the Mary McAleese bridge. The house has entrance gates.
The house is a Regency house, that is, of the Classical style built shortly after the period in England when George IV was Prince Regent (1811-1820, when King George III was ill). Like many Regency houses, it has a stucco facade and columns framing the front door, with a Doric single-storey portico.
The house was built for a local businessman, George Harpur, who made his fortune in trade, dealing in salt and timber. He would have availed of the nearby port to bring in his salt, and timber from Canada. Salt was used to preserve meats and was a precious commodity. Harper married Louisa Ball in 1835, daughter of George Ball (1755-1842) of Ballsgrove, County Louth, and his wife Sarah Webber.
Killineer house was completed in 1836. The front, of two storeys, has six bays on top and a Doric single-storey portico flanked by two bays on either side. The corners have double-height pilasters. The house has a basement and the back is of three storeys. The sides are of three bays, with entablatures over the ground floor windows.
Harpur surrounded the house with seventeen acres of garden, creating terraces and a lake which on the site of an earlier rough pond. A house already stood on the property, the remains of which are in the walled garden behind the current house.
The earlier house, now located in the walled garden behind the house, may have been built by George Pentland (1770-1834), who owned the property before Harpur, before he moved to Blackhall in 1815, which was begun in approximately 1790 by a fellow solicitor, Philip Pendleton.  Before that, the land was owned by Thomas Taylour of Headfort House, County Meath.
The Harpurs had no children and the house was sold, probably after George Harpur died in 1888. Unfortunately, any record of the plans for the house or garden have been lost, so neither the architect nor the creator of the garden has been identified.
The house passed through several owners until the present family, including Robert Ussher, and the Montgomery family of Beaulieu, County Louth. Richard Thomas Montgomery (1813-1890) of Beaulieu had a son, Richard Johnston Montgomery, who lived in Killineer house when he was High Sheriff of County Louth in 1910. Perhaps he lived at Killineer until he inherited Beaulieu. He married Maud Helena Collingwood Robinson of Rokeby Hall, another Section 482 property in Louth.
James Carroll, ancestor of the current owner, purchased the house in 1938. He was the grandson of Patrick James Carroll, a tobacco manufacturer from Dundalk. James’s daughter Grace lived in Killineer all of her life and never married. She died in 1999, and the house passed to her cousin, the current owner.
According to her obituary in the Irish Times, Grace became involved with the Order of Malta, of which her father had been president. She was the first woman in this country to be appointed Dame Grand Cross of Honour and Devotion, Sovereign Military Hospitaller, Order of Malta. This was in recognition of her work and fundraising for those with disabilities in Drogheda. She was instrumental in helping fund The Village, a training centre for those with special needs, built in the former Presentation Convent. 
She maintained the gardens laid out by George Harpur, and they were featured in Country Life in 1998. We enjoyed a wander in the lovely gardens after the owner Charles Carroll gave us a tour inside.
The house has an impressive octagonal entry hall, with niches and busts on plinths. It has four doors that look as if they lead off the hall, but two are only for symmetry and do not open. The house itself has a classical layout of four rooms plus the hall on the ground floor, a basement, and the bedrooms above. It has an “imperial” staircase – a staircase which bifurcates into two. A lovely stained glass window of browns, blues and yellows, made by Edward Lowe of Dublin who also did the windows in Collon’s Church of Ireland, has the Carroll coat of arms in the middle.  Below the stairs, in a door, is another stained glass window, with a knight with a lion, which might also have been installed by the Carrolls.
The Carrolls are an ancient Irish family that can be traced back to the Carrolls of Oriel. Oriel was an area of Ireland. Donogh O’Carroll, King of Oriel, died in 1168 AD and the Carrolls of Oriel are his descendants. Patrick Carroll of Culcredan, County Louth, was born in 1600. The Carrolls of Killineer branch off from the main line of “the O’Carroll Oriel” after this Patrick Carroll.  
We entered the dining room first and sat down under a portrait of Grace to hear a little about the history of the house. The windows are French doors, and the room is panelled. It originally had a ceiling with a seascape of Neptune, but unfortunately the house was left empty for two years before the Carrolls purchased it and the ceiling was ruined. The ceiling now features a “very attractive bold circle of plasterwork in the centre of the ceiling,” as Mark Bence-Jones describes it. 
The plasterwork in the house is impressive. There are about five layers of cornice patterns around the ceiling in the study, such as ovals and egg-and-dart, and the rooms have wood-like plaster panelled walls. The rooms are decorated in a French empire style of gilt and a deep rose colour. Charles pointed out that some of the plasterwork over the doors may have been added later, as it is a little too ornate and does not quite fit with the rest of the plasterwork.
The fourth room on the ground floor has been divided in two, probably after the house was built. The pattern around the ceiling continues in both rooms, and features griffons and centaurs and is coloured wine red, pale blue and pink. An unusual sculpted ceiling depicts the figure of Justice, doves, and a figure with a lyre.
A summer-house in the garden is designed to mirror the architecture of the house, and was probably also built by George Harpur.
It has windows and French doors on each side, and inside, it has plaster coving and niches.
The reeded doorcases with corner blocks carved with rosettes match the doorcases inside the main house.
The wrought iron bridge onto an island in the man-made lake is also contemporary with the house. 
Stretching from the house, the garden is terraced. It leads down through a canopy to a laurel maze and lawn laid out in an astragal pattern, to the lake, where a swan was guarding a nest. The lakes, created by George Harpur, are lined with a special yellow clay, which is very fine and hard, so it holds in the water particularly well. Yellow clay is impermeable and can be used to prevent damp in houses.
Behind the house lies the walled garden from the original house at Killineer. It is still in active use today producing fruits and vegetables. It has a glasshouse in which apricot, peach and nectarine trees grow, and an apiary that houses bees who pollinate the plants.
The attractive farm buildings are off-limits to visitors due to dangerous farm machinery.
The lush gardens were a treat after months of lockdown in Dublin. They were so peaceful, such an oasis from the everyday bustle. They remind us to stop, linger, and appreciate.
Robert O’Byrne notes that: A century earlier the land here had been granted by the local corporation on a 999-year lease to Sir Thomas Taylor, whose family lived at Headfort, County Meath. It then passed to the Pentlands whose main residence was to the immediate east at Blackhall. At some date in the 18th century a house was built on the property: it appears on early maps but little now remains other than one room which still retains sections of plaster panelling. Located to the rear of the walled garden, this space now serves as a toolshed.
 See https://www.buildingsofireland.ie/buildings-search/building/13902207/black-hall-co-louth
and the Killineer House & Gardens website.
It’s interesting that George Pentland’s son, George Henry Pentland (1800-1882), married Sophia Mabella Montgomery, of Beaulieu, since after George Harpur died, Killineer was owned by one of the Montgomery family from Beaulieu.
George Henry Pentland (1800-1882) married twice, once to Rebecca Brabazon and secondly to Sophia Mabella Montgomery, daughter of Rev. Alexander and Margaret Johnston. George Henry Pentland lived at Black Hall, Co Louth, as did his father George Pentland (1770-1834).
The church was erected thanks to the Foster family of Collon, County Louth and of Glyde Court, whom we came across in their association with Cabra Castle in County Cavan.
 Mark Bence-Jones. A Guide to Irish Country Houses (originally published as Burke’s Guide to Country Houses volume 1 Ireland by Burke’s Peerage Ltd. 1978); Revised edition 1988 Constable and Company Ltd, London.