MEGALITHIC MONUMENTS
      OF IRELAND.COM
THE BIRR STONE
( THE NAVEL OF IRELAND )
The stone is a large, irregular shaped glacial erratic block of limestone of Lower
Carboniferous around 250 million years old and is of local origin. It is probably part of
a megalithic monument located at Seffin the exact site of which is now unknown.
Known locally as the 'Seefin Stone' and mentioned by Geraldus Cambrensis in the 12th
century, who referred to it as Umbilicus Hiberniae, 'the Navel of Ireland', it is said to
mark the centre of Ireland. Archbishop James Usher (or Ussher), of Armagh (January
1581 - March 1656) & Primate of all Ireland says, that Birr was considered the centre
of Ireland. He states that 'it should have been remarked else where that long (perhaps
a century) previous to the period now being treated of this town was reckoned to lie
nearly in the centre of the Kingdom and it seems that there then was a large hollow
stone somewhere here which used to be pointed out as that which Cambrensis in his
Topographical Hibernia calls the Navel of Ireland'. However O'Donovan in his Ord.
Survey letters for the county argued that 'Cambrensis was writing of Uisneach not
Birr'. Thomas Cooke described the stone as 'a large limestone rock supposed to be the
stone known in the days of Giraldus Cambrensis as the 'navel of Ireland'. He goes on
to state that 'the place where it stood was not far from the town of Birr, and both places
are in the parish of Birr. The Seffin rock stood on a little eminence beyond the present
railway station, and at the same side of the road. This stone was a huge rude mass of
limestone, marked with a number of incisions in the shape of fantastic crosses and
other curious symbols, as usual, with stones of this description' (Cooke 1875, 8). Local
tradition claim that the indentations are from the hand of Fionn mac Cumhaill, hence
the origin of the name as ‘Suigh Finn’ (pronounced 'See-Finn'), the Seat of Finn. It
was also reputed by oral tradition to have marked a meeting place of the Fianna. Cooke
states that ‘Seffin was spelled in old documents, Sheefin and Seefin, which seem to be
composed of two Irish words, ‘Shee’, a spirit, and ‘Fen’ or ‘Phen’ identical with Beal
and Moloch, one of the names under which the sun was worshipped. In fact the name
signifies Sun Deity or Sun-God’ (Cooke 1875, 8-9). Sir William Petty (May 1623 -
December 1687) in his survey, marks the church with the words 'Umbilicus Hiberniae':
it is in 53° 6' 16" (N. Lat.), and 7° 38' 23" (W. Lon.); its geocentric latitude is 52° 55'
30" (North)'. The stone was taken from Birr in 1828 by Thomas Steele to his residence
Cullaun House, Co. Clare to honour Daniel O’Connell and used as a Mass Rock at that
site. However, Cooke gives the date as 1833. It was returned to Birr Urban Council in
June 1974 by the Dept. of Lands and placed in its present position.

Sources:
Cooke, Thomas Lalor & Cooke, William Antisell 'The Early History of the Town of
Birr, Or Parsonstown' (1875, Robertson p.7-9)
Ordnance Survey Letters King's County (Letter no. 35 from John O’Donovan) Birr,
January 29th 1838.
Petty, William 'Maps of Ireland' (London in 1685)
Ussher, James 'Antiquitates (et Primordia) Britannicarum Ecclesiarum' (Dublinum,
1639)
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CO-ORDINATES
53°05'45.1"N
7°54'30.5"W