This very unusual and interesting name is the patronymic form (i.e. meaning "son of") of the Anglo-Saxon personal name, Old English pre 7th Century "Saebeorn". The name means "sea-warrior". In the modern idiom, there are ten variants of the surname, ranging from Seaborn, Seabourne, Sebborn, Sibborn and Sibbons to Siburn and Sayburn. The name development has included Sabernus Monachus and Philippne filius Sebverni (1114 - 1130) Huntingdonshire, showing the first recordings as a personal name Sayer Sabarn (1327, Essex), John Sabern (1377, Essex) and William Seiborne (1587, Cheshire). One Elizabeth Sibbons was married to William Aspillen at St. Giles, Cripplegate on the 15th February 1749. The first recorded spelling of the family name is shown to be that of Nel Seburn. which was dated 1190, in the Calendar of the Abbey of Bury St. Edmonds, Suffolk. during the reign of King Richard 1, The Lionheart, 1189 - 1199. Surnames became necessary when governments introduced personal taxation. In England this was known as Poll Tax. Throughout the centuries, surnames in every country have continued to "develop" often leading to astonishing variants of the original spelling.