Ironbridge, eccl. dist. and ry. sta. (Ironbridge and
Broseley), Madeley par., Shropshire, forming part of
town of Madeley, and 15 miles SE. of Shrewsbury,
pop. 3154; P.O., T.o., 1 Bank, 1 newspaper; derives
its name from the bridge (1779) which here crosses the
Severn, and which is interesting as being the first cast-
iron bridge of large dimensions built in this country.
Extensive coal mines and ironworks are in the vicinity.

Irongray. See Kirkpatrick-Irongray.

Ironmacannie, place with school, in par. and 2J
miles S. of Balmaclellan, Kirkcudbright.

Ironville, vil., Alfreton par., Derbyshire, and eccl.
dist., also in Codnor Park and Pentrich pars., Derby-
shire, and Selston par., Notts—dist., pop. 2802; vil.,
3\ miles SE. of Alfreton; P.O., T.O. Market-day,
Saturday. Ironville is a place of modern growth close
to the Cromford and Erwash Canals, and has im-
mense ironworks and collieries.

Irstcad, par., Norfolk, 11 miles NE. of Norwich,
1065 ac., pop. 148 ; on r. Ant here is Irstead Broad.

Irt, river, Cumberland; issues from Wastwater,
flows SW. to Mite and Esk estuary at Ravenglass, and
is 12 miles long.

Irthing, river, Northumberland and Cumberland;
rises near tbe Scottish border, and flows S. along the
boundary of above counties, then SW. to the Eden
near Newby; is 30 miles long.

Irthington, par. and vil., Cumberland, on river
Irthing, 2| m. NAY. of Brampton, 7390 ac., pop. 853; P.O.

Irthlingborongh, par. and vil., Northamptonshire,
on river Nen, 2 miles N. of Higham Ferrers, 3720 ac.,
pop. 2736; P.O., T.O.; has mfrs. of boots and shoes;
there are also large ironstone quarries.

Irton.—par. and hamlet (ry. sta. Irton Road), Cum-
berland, on river Irt, 4 m. NE. of Ravenglass, 6180
ac. (including part of St Bees), pop. 602; has granite
quarries ; contains the seats of Irton Hall and Irton
Honse. — 2. Irton, township, Seamer par., North-
Riding Yorkshire, 4 miles SW. of Scarborough, 1260
ac., pop. 148.

Irton Road, ry. sta., Cumberland, 4 miles NE. of
Ravenglass. See Irton.

Irton, Santon, and Melthwalte, township, Irton
and St Bees pars., Cumberland, 3 miles NE. of Raven-
glass, 6180 ac., pop. 614.

Irvine, pari, and royal burgh, market and seaport
town, and par., Ayrshire, near mouth of river Irvine,
7 miles W. of Kilmarnock and 390 NAV. of London
by rail—par., 3930 ac., pop. 6013; royal burgh, pop.
4508; pari, bor., pop. 8498; town, pop. 8517; P.O.,
T.O., 4 Banks, 3 newspapers. Market-day, Monday.
The pari, burgh and town include the large suburb
of Fullarton, in Dundonald par. The industries of
Irvine include shipbuilding, engine - making, iron-
founding, and the mfr. of chemicals. Irvine was
formerly the third port in Scotland; it is now merely
a sub-port of Troon, but since the harbour improve-
ments of 1873 trade has revived. The principal
exports are coal, iron, and chemical products. Irvine
was made a royal burgh by Alexander II. (1214-1249).
It was the seat of a monastery of White Friars, founded
in the 14th century by the Fullartons. It contains in-
teresting ruins of an old mansion (Seagate Castle), said
to have been a town residence of the Earls of Eglinton.
James Montgomery (1771-1854), the poet, and John
Galt (1779-1839), the novelist, were natives. Irvine is
one of the Ayr District of Parliamentary Burghs, which
returns 1 member.

Irvine, Tlie, river, Ayrshire; rises on the Lanark-
shire border, near Drum clog, and flows 29 miles AY.,
separating the districts of Cunningham and Kyle, to
the Eirth of Clyde at the town of Irvine.

Irvines Sown (or Lowtherstown), town with ry.
sta., Derryvullen par., N. co. Fermanagh, 8 miles N. of
Enniskillen, pop. 795; P.O., T.O., 1 Bank. Market-day,
Wednesday. The seat of Castle Irvine is in vicinity.

Irving, ancient par., now in Kirkpatrick-Fleming
par., SE. Dumfriesshire; contains Irvingtown, vil., 3§
miles NW. of Gretna.

Irwell, river, Lancashire ; rises on E. border of co.,
and flows S. to Manchester, then SW. to the Mersey
below Flixton ; is 30 miles long.

Irwell Park, seat, near Pendleton, Lancashire.