This surname is derived from a geographical locality. 'of Aldworth,' a parish in Berkshire, near Wantage.

John Aldeworth, Oxfordshire, 1273. Hundred Rolls.

1587-8. Francis Feilde and Allies Aldeworthe: Marriage Lic. (London).

1595. John Aldworth, Gloucestershire: Register of the University of Oxford.

(English) Dweller at the Old Es­tate or Farm. [Old English e)ald + worð]

A parish in Berkshire, which the family originally possessed.

Or De La Mare. Alworth or Ayleworth, Gloucester (whence the name), belonged to the house of De la Mare (which was named from the Castle of La Mare near Pont Audemer). (See Maude.) This line descends from AVilliam de la Mare of Herts and Wilts 1086. His grandson Henry De L. M. paid a fine for his father’s office (grand- huntsman) and lands, Oxford (Rot. Pip.), and acquired great estates in Gloucester and Hereford from the Earl of Gloucester. In 1165 .Robert De L. M., his son, held 10 knights’ fees from that Earl (Liber Niger). This estate was divided amongst his descendants, of whom John De L.M. held Rendcombe from the earl, t. Henry III. Aylworth, a dependance of Rendcombe, passed to his widow Petronilla (Eosbroke, Gloucester), who d. 1262, when Rendcombe, &c. passed to John De L. M., her eldest son (Roberts, Exc. ii. 399). A younger son of John obtained Aylworth, and his descendants bore the arms of De la Mare differenced by billets. His grandson Henry de Aylworth m. the heiress of De Gulafre of Oxfordshire, where he was seated c. 1400 (Visit. Oxford 1556). His son John A. was one of the gentry of Oxford 1433 (Fuller's Worthies of England). In 1468 John A. settled Aylworth and other lands in Gloucester on his son John (Fosbroke, Gloucester). The latter was grandfather of Peter, living 1575, and Paul. The latter was father of Richard Aldworth of Berks t. Eliz., ancestor of the Viscounts Doneraile (now St. Leger). Peter was ancestor of the A.’s of Aylworth, Gloucester, and the Aid- worths of Stanlake, Oxford, ancestors of the Lords Braybrooke (now Neville).

Of the Oxfordshire line of De la Mare was John De la Mare, who was summoned to parliament as a baron, 1298-1313.

A location name in Berkshire.

Aldworth is the name of a Berkshire parish. Henry Aldworth, Chancellor of the Diocese of Oxford, died in 1699 (Wo.). The mayor of Bristol in 1592, 1609, and 1642 bore this name (Barrett's "Bristol.").