Clifford may refer to:

People

Clifford (name) Clifford is both a toponymic surname of English origin and a given name deriving from it. It originated in several English placenames meaning "ford by a cliff". People Given name * Clifford Andrews (1912–1973), English athlete in cricket * Cli ...

, an English given name and surname, includes a list of people with that name *

William Kingdon Clifford William Kingdon Clifford (4 May 18453 March 1879) was a British mathematician and philosopher. Building on the work of Hermann Grassmann, he introduced what is now termed geometric algebra, a special case of the Clifford algebra named in his ...

Baron Clifford Baron Clifford is a title in the Peerage of England created by writ of summons on 17 February 1628 for Henry Clifford, the heir of Francis Clifford, 4th Earl of Cumberland. Francis was believed to hold the Barony de Clifford, created in 1299, ...

Baron Clifford of Chudleigh Baron Clifford of Chudleigh, of Chudleigh in the County of Devon, is a title in the Peerage of England. It was created in 1672 for Thomas Clifford, 1st Baron Clifford of Chudleigh, Thomas Clifford. The title was created as "Clifford of Chudleigh ...

Baron de Clifford Baron de Clifford is a title in the Peerage of England. It was created in 1299 for Robert de Clifford (''c.''1274–1314), feudal baron of Clifford in Herefordshire, feudal baron of Skipton in Yorkshire and feudal baron of Appleby in Westmo ...

* Clifford baronets *

Clifford family (bankers) The Clifford family was a List of banking families, family of bankers, merchants, and Regenten, regents of England, English descent who were active in Amsterdam during the sixteenth through eighteenth centuries. The family originated in north ...

Jaryd Clifford Jaryd Clifford (born 5 July 1999) is an Australian Paralympic, vision impaired, middle-distance athlete. He represented Australia at the 2016 Rio Paralympics in athletics. He won gold medals in the Men's 1500m and 5000m T13 events at the 201 ...

* Justice Clifford (disambiguation) * Lord Clifford (disambiguation)

Arts, entertainment, and media

*''

Clifford the Big Red Dog ''Clifford the Big Red Dog'' is an American children's book series which focuses on the adventures of an 8-year old blonde haired girl named Emily Elizabeth and her titular pet: a gigantic, red-furred dog named Clifford. It was first published ...

'', a series of children's books ** Clifford (character), the central character of ''Clifford the Big Red Dog'' ** ''Clifford the Big Red Dog'' (2000 TV series), 2000 animated TV series **''

Clifford's Puppy Days ''Clifford's Puppy Days'' is an animated children's television series that originally aired on PBS Kids from September 1, 2003 to February 25, 2006. The prequel to the 2000–2003 series ''Clifford the Big Red Dog'', it features the adventures o ...

'', 2003 animated TV series **''

Clifford's Really Big Movie ''Clifford's Really Big Movie'' is a 2004 American animated adventure comedy film based on the PBS Kids TV series ''Clifford the Big Red Dog'', itself an adaptation of the book series of the same name by Norman Bridwell. This film was directed b ...

'', 2004 animated movie ** ''Clifford the Big Red Dog'' (2019 TV series), 2019 animated TV series ** ''Clifford the Big Red Dog'' (film), 2021 live-action movie * ''Clifford'' (film), a 1994 film directed by Paul Flaherty * Clifford (Muppet)

Mathematics

Clifford algebra In mathematics, a Clifford algebra is an algebra generated by a vector space with a quadratic form, and is a unital associative algebra with the additional structure of a distinguished subspace. As -algebras, they generalize the real number ...

, a type of associative algebra, named after William Kingdon Clifford *

Clifford analysis Clifford analysis, using Clifford algebras named after William Kingdon Clifford, is the study of Dirac operators, and Dirac type operators in analysis and geometry, together with their applications. Examples of Dirac type operators include, but are ...

, a mathematical study of Dirac operators *

Clifford module In mathematics, a Clifford module is a representation of a Clifford algebra. In general a Clifford algebra ''C'' is a central simple algebra over some field extension ''L'' of the field ''K'' over which the quadratic form ''Q'' defining ''C'' is def ...

, a mathematical representation *

Clifford theory In mathematics, Clifford theory, introduced by , describes the relation between representations of a group and those of a normal subgroup. Statement Alfred H. Clifford proved the following result on the restriction of finite-dimensional irreduci ...

, dealing with representations, named after Alfred H. Clifford *

Clifford torus In geometric topology, the Clifford torus is the simplest and most symmetric flat embedding of the Cartesian product of two circles and (in the same sense that the surface of a cylinder is "flat"). It is named after William Kingdon Cliffo ...

, a figure in geometric topology *

Clifford's theorem Clifford's theorem may refer to: *Clifford's theorem on special divisors *Clifford theory in representation theory *Hammersley–Clifford theorem The Hammersley–Clifford theorem is a result in probability theory, mathematical statistics and statis ...

, any of several mathematical derivations

Places

Australia

Clifford, Queensland Clifford is a rural locality in the Western Downs Region, Queensland, Australia. In the , Clifford had a population of 29 people. Geography The southern boundary of the locality loosely follows the Great Dividing Range with the locality being ...

, a locality in the Western Downs Region

Canada

Clifford, Ontario Clifford is an unincorporated community in the Town of Minto in Wellington County in Southwestern Ontario, Canada. It is on Ontario Highway 9 and Coon Creek, a stream in the Saugeen River drainage basin. The village of Clifford was founded ar ...

England

* Clifford, Devon, a

location In geography, location or place is used to denote a region (point, line, or area) on Earth's surface. The term ''location'' generally implies a higher degree of certainty than ''place'', the latter often indicating an entity with an ambiguous bou ...

Clifford, Herefordshire Clifford is a village and civil parish in Herefordshire, England, and to the north of Hay-on-Wye. It lies on the south bank of the River Wye, which here forms the Wales-England border, border between Wales and England. The village sits on the ...

Clifford (ward) Clifford was an electoral ward of Trafford, Greater Manchester, covering most of the Old Trafford (district), Old Trafford area of Stretford. It is the north-easternmost ward of Trafford and is bordered to the west by the Longford, Greater Manch ...

, Greater Manchester *

Clifford, West Yorkshire Clifford is a village and civil parish in West Yorkshire, England. The population of the civil parish at the 2011 Census was 1,662. The village is south of Wetherby. Many of the older buildings are built of magnesian limestone. Etymology The ...

Clifford Chambers Clifford Chambers is a village and former civil parish two miles south of Stratford-upon-Avon town centre, in Warwickshire, England. It is on the B4632 road and one mile south of the A3400. It consists of 150 houses and the population of the par ...

, Warwickshire

United States

Clifford, Indiana Clifford is a town in Flat Rock Township, Bartholomew County, Indiana, United States. The population was 205 at the 2020 census. It is part of the Columbus, Indiana metropolitan statistical area. History Clifford was founded in . The first p ...

* Clifford, Michigan *

Clifford, Missouri Clifford is an extinct town in Polk County, in the U.S. state of Missouri Missouri (''see #Etymology and pronunciation, pronunciation'') is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Rank ...

* Clifford, North Dakota * Clifford, Pennsylvania *

Clifford, Virginia Clifford (formerly New Glasgow) is an unincorporated community in Amherst County, Virginia, United States. Clifford is located on Virginia State Route 151 north-northeast of Amherst. Clifford has a post office with ZIP code 24533, which opened ...

, a community in

Amherst County Amherst County is a county, located in the Piedmont region and near the center of the Commonwealth of Virginia in the United States. The county is part of the Lynchburg Metropolitan Statistical Area, and its county seat is also named Amhers ...

* Clifford, Wisconsin * Clifford Township, Butler County, Kansas

Structures

Clifford Castle Clifford Castle is a ruined castle in the village of Clifford which lies 2.5 miles to the north-east of Hay-on-Wye in the Wye Valley in Herefordshire, England (). It was the '' caput'' of the feudal barony of Clifford, a Marcher Lordship (owi ...

, a castle in the village of Clifford, England *

Clifford House (Eustis, Florida) The Clifford House (also known as the Clifford-Taylor House) is a historic home in Eustis, Florida, United States. It is located at 536 North Bay Street. On April 4, 1975, it was added to the U.S. National Register of Historic Places. It was ...

, a historic house in the US state of Florida *

Clifford House (Reno, Nevada) Clifford House may refer to: * Clifford House (Eustis, Florida) The Clifford House (also known as the Clifford-Taylor House) is a historic home in Eustis, Florida, United States. It is located at 536 North Bay Street. On April 4, 1975, it was ...

, a house in the US state of Nevada * Clifford House, Toowoomba, a heritage-listed house in Queensland, Australia * Clifford International School, an international school in Guangzhou, People's Republic of China *

Clifford Pier Clifford Pier was a former pier located beside Collyer Quay at Marina Bay, Singapore, Marina Bay within the Downtown Core of the Central Area, Singapore, Central Area, Singapore. The pier, which opened in 1933, ceased operations in 2006. In 200 ...

, a pier in Singapore *

Clifford's Inn Clifford's Inn is the name of both a former Inn of Chancery in London and a present mansion block on the same site. It is located between Fetter Lane and Clifford's Inn Passage (which runs between Fleet Street and Chancery Lane) in the City of ...

, a London (England) Inn of Chancery *

Clifford's Tower York Castle is a fortified complex in the city of York, England. It consists of a sequence of castles, prisons, law courts and other buildings, which were built over the last nine centuries on the north-west side of the River Foss.Cooper, p. ...

, the previously used name of York Castle in England * Clifford-Warren House, a historic house in the US state of Massachusetts

Other uses

*''Clifford'', a

New Zealand Company The New Zealand Company, chartered in the United Kingdom of Great Britain and Ireland, United Kingdom, was a company that existed in the first half of the 19th century on a business model that was focused on the systematic colonisation of New Ze ...

chartered sailing ship *

Clifford Chance Clifford Chance LLP is a British multinational law firm headquartered in London, England, and a member of the " Magic Circle", a group of leading London-based multinational law firms. In 2022-2023 Clifford Chance was the third largest law fir ...

, an international attorney firm headquartered in London, England *

Clifford (horse) Clifford (1890–1917) was a Thoroughbred racehorse who was inducted into the National Museum of Racing and Hall of Fame in 2014. Background Clifford was a dark bay or brown horse with a white spot on his right jowel that was perceived ...

, a world champion racehorse in the late 19th century {{disambiguation, geo