Holbeach, (1) a market-town of south Lincolnshire, 7 1/2 miles by rail ENE. of Spalding. It has a fine Decorated church, with a spire 189 feet high ; and Roman remains have been found here. Pop. of urban dist. 4755. - (2) An old Staffordshire mansion, 3 miles W. by N. of Dudley. It was the final retreat of the Gunpowder conspirators.
Holland House, an historic mansion (1607) of Kensington, London.
Holloway, a district of London, in the parliamentary borough of Islington, on the north.
Holmby House, a fine Tudor mansion, 6 1/2 miles NW. of Northampton, was built by Sir Christopher Hatton in Elizabeth's reign. Sold to James I., it was for four months the prison of Charles I. in 1647. It was dismantled in 1652.
Holmfirth, a Yorkshire town, at the Holme's and Rippleden's confluence, 6 miles S. of Hudders-field. It has woollen manufactures. Pop. 9000.
Holstein, formerly a duchy belonging to Denmark, and at the same time a member of the Germanic Confederation, was annexed in 1866 to Prussia, which incorporated it in the province of Sleswick-Holstein (q. v.). It is separated from Sleswick on the N. by the river Eider and the North Baltic Canal. Area, 3237 sq. m. ; pop. about 660,000 - mostly of Low German stock.
Holt, (1) one of the Denbigh district of boroughs, on the Dee, 5 1/2 miles NE. of Wrexham. Pop. 1086. - (2) A town of Norfolk, 10 miles E. by N. of Walsingham. It was the birthplace of Sir Thomas Gresham. Pop. of parish, 1850.
Holy Cross. See Thurles.
Holyhead, a seaport of Anglesey (q.v.), on the small island of Holyhead, 60 miles E. of Dublin, 85 W. of Chester, and 264 NW. of London. Although recently much improved, it is still a primitive, irregularly-built town. It is the terminus of the London and North-Western Railway (1850), and the port for the mail steam-packets to Dublin. The harbour was extended in 1873-80, and the quay lengthened to 4000 feet. The roadstead or harbour of refuge (1847-73), with an area of about 400 acres, is protected on the north by a solid masonry wall, rising 38 feet 9 inches above low-water mark, and backed by a strong rubble mound. Pop. (1875) 5622 ; (1901) 10,079, employed in the coasting trade and in shipbuilding and rope-making.
Holyhead Island, lying west and forming part of Anglesey, is 8 miles long by 3 1/2 broad. Area, 9658 sq. acres ; pop. 9610. It is separated from Anglesey by a narrow sandy strait, crossed by a causeway, which carries over the highroad and the railway, and is arched in the centre for the tide to pass beneath. The surface is rocky and barren. On the north-west coast are two islets, the North and South Stacks, the latter with a lighthouse, whose light, 197 feet above high-water, is seen for 20 miles. The Stacks and the north coast are hollowed out into magnificent caves, the haunt of sea-fowl.