The surname Trewartha is rooted in Cornish heritage, with its origins firmly situated within the west‑coast county of Cornwall, United Kingdom.

Etymologically, it is composed of the Cornish elements tre, meaning *homestead* or *settlement*, and wartha, signifying *enclosure* or *enclosed land*. Together, these elements convey the sense of a person who comes from, or is associated with, an enclosed homestead or settlement.

The place name that gave rise to the surname is the village now called Trewartha in the Parish of St. Agnes. Historically it was also known as Andrewartha; both forms of the toponym have produced the surname spellings that survive today. In this context the name translates as *the higher homestead or farmstead*, with derivations drawn from the ancient Gaelic‑Cornish word *an dre*, a variant of *tre*.

The earliest documented spelling of the family name appears in the parish registers of Gwithian, where a child named Philip Trewartha was christened in 1591 during the reign of Queen Elizabeth I. Subsequent records include that of Honour Andrewartha, christened at Gwithian Church in 1630, and that of Thomasin Trewartha, who married William Brown in Gwennap on 5 October 1723.

The enduring presence of the surname Trewartha in Cornish records illustrates the deep connections between place and identity within the region, preserving a linguistic legacy that spans centuries.

Typical given names associated with the Trewartha surname

Male

  • Adam
  • Alan
  • Andrew
  • Anthony
  • Christopher
  • David
  • Gareth
  • Gary
  • Mark
  • Michael
  • Paul
  • Simon
  • Stephen

Female

  • Amy
  • Beryl
  • Jill
  • Kirstie
  • Lisa
  • Lynette
  • Peggy
  • Rachel
  • Sarah
  • Susan
  • Valerie

Similar and related surnames

Related and similar names are generated algorithmically based on the spelling, and may not necessarily share an etymology.

How to communicate the surname Trewartha in...

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There are approximately 295 people named Trewartha in the UK. That makes it one of Britain's least common surnames. Only around five in a million people in Britain are named Trewartha.

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