They were chiefly seated at various places in Berkshire, but there were major branches in County Cork in Ireland.
Members have included an abbot, a Knight of the Bath and a number of MPs and high sheriffs.
Douglas Hyde of County Roscommon (who descended from the Cork branch), became the first President of Ireland in 1938.
This Arthur was the first member of the family to settle in the Kingdom of Ireland and is considered the founder of the line.
According to Families of County Cork, Ireland: From the Earliest Times to the 20th Century: Irish Family Surnames with Locations & Origins, Including English, Scots & Anglo Norman Settlers and Settlements (1999) by Michael C. O'Laughlin, the Hydes (his maternal ancestors) held lands in County Cork since 1599.
The family seat was Castle Hyde, a mansion on the "north bank of the Blackwater River".
The Hydes held their estates to the Victorian era when they sold them to Sir Henry Wrixon-Becher, 2nd Baronet (1826–1893).
[7] William and Margery received the Manor of Antwicks in Letcombe Regis on the occasion of their marriage.
The senior John inherited the manor of his family in 1448 but his father left part of his estate to an illegitimate son.
His paternal grandparents were Sir Richard de la Hyde (d. 1278) and his wife Philippa.
Sir Roger is first mentioned in 1217, commissioned to recruit his family and friends in the service of William Marshal, 1st Earl of Pembroke, Regent for Henry III of England.
His father Gilbert de la Hyde was reportedly a brother of John of Wallingford, Abbot of St Albans Abbey.
Their original estate "La Hyde de Southcote" seems to have been replaced in time by other family seats.
Family tradition in the 17th century placed their origins in the time of Canute the Great, a claim not mentioned in early sources.