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2,405 study surnames with us
and a further 6,120 variant names.

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About the study

This page is for genealogy enthusiasts who wish to research their Hadath or Haddath surname family history.

The Had(d)ath surname is extremely rare. Only about 300 people of that name have existed in the last 250 years. It appears to have originated as a variant of the name Haddow. Dick Chandler and his wife Elaine, who are conducting this One-Name Study, have written a book of more than 200 pages documenting the known history of the name and its bearers.

Variant names

Members of this family have been found under a wide variety of names - Addow, Hadash, Hadath, Hadda, Haddack, Haddah, Haddalle, Haddater, Haddath, Haddatte, Haddaw, Hadderth, Haddey, Haddock, Haddon, Haddoth, Haddow, Hadeth, Hadnow and Hadwith. We have also found people in a computerised index as Haddath whose actual name is Suddath.

Name origin

The first occurrence of the surname has been traced to the part of England now called Cumbria, at the start of the 19th Century. Aided by DNA analysis, a common ancestor has been identified, from whom all living Had(d)aths are believed to be descended. The surname appears to have developed as a variant of Haddow. Research is currently stuck at 1767 when William Haddow of Pennington (one mile west of Ulverston) married Agnes Boulton of Baycliff (on the coast, three miles south of Ulverston) at Aldingham-in-Furness Parish Church (on the coast, one mile south of Baycliff) on 21st February.

The origin of the name is believed to be the Middle English for 'half', plus the Gaelic dabhach, which is a measure of land equivalent to four ploughgates (so the name means 'two ploughgates'). A plough worked by eight oxen was capable of bringing 104 acres into tillage in a year. A ploughgate was therefore the name that was given to 104 acres of arable land, and a 'half dabhach' or 'hadabhach' (being half of four ploughgates) is therefore 2 x 104 = 208 acres of land - hence the title of the Had(d)ath Family History book.

Historical occurrences of the name

The most famous bearer of the name was John Edward Gunby Hadath, author of more than 100 books for boys involving English public school life and wartime adventure, using the names Gunby Hadath and John Mowbray. His wife Flo wrote a number of similar books for girls using the name Florence Gunby Hadath. Dick and Elaine Chandler have a collection comprising all of these books, including some which have been translated into French. Gunby was a Francophile who maintained a chalet near Mont Blanc at St Gervais les Bains in North-West France. He was made an honorary citizen of St Gervais in recognition of his efforts to publicise the spa town in England.

Name frequency


Distribution of the name

Since 1767 small numbers of family members have moved from North-West Lancashire and Cumberland to locations in England and Scotland. One family emigrated to Canada, another to America, and one daughter to Australia. One family lives in South Africa.


All occurrences of the surname in public records in England, Scotland, America, Canada and Australia have been collected and recorded. Many certificates of birth, marriage and death have been purchased, and copies of wills procured.