This is a genuine 17th Century Huguenot refugee name, and one which is unusual in that it has retained its essential early spelling, when probably ninty percent of such names are 'anglicized' to the point where the origin in submerged. In this case the name is well recorded from the first recording as shown, the variant spellings and developments include the following examples, Georg du Bocq (1610) Abraham du Bac (1698) Anna Dubuke (1688) Daniel Du Boc (1713) whilst in 1727 Elizabeth Dubock, the daughter of Issac Duboch was christened at St. Dunstans, Stepney. The name means 'the dweller at the wood' from the originally Roman (Latin) 'Bosci'. The first recorded spelling of the family name is shown to be that of Nathanael Du Bocq, which was dated 1600, Witness at the French Huguenot Church, Threadneedle Street, London, during the reign of Queen Elizabeth I, Good Queen Bess, 1558 - 1603. 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.