Gemm History, Family Crest & Coats of Arms
The present generation of the Gemm family is only the most recent to bear a name that dates back to the ancient Anglo-Saxon culture of Britain. Their name comes from having lived on the bank of a river or stream named the of Cam. The surname Gemm is topographic in nature, the type of surname that was given to a person who resided near a physical feature such as a river or stream. The surname also refers to the camb, which is the crest of a hill or a dike.
Early Origins of the Gemm family
The surname Gemm was first found in Gloucestershire, where the name is associated with the village of Cam, a parish, in the union of Dursley, Upper division of the hundred of Berkeley.
"This place is distinguished as the scene of a battle fought between the Saxons and the Danes, in the reign of Edward the Elder. The parish takes its name from a rivulet that divides it into Upper and Lower, and falls into the Severn at Frampton." 
In the Domesday Book survey of 1086 Cam was recorded as King's land.  Early in the history of the family name it branched to Lincolnshire, where Ralph de Caham was registered in 1162, to Norfolk, where Osbert de Cam was living during the reign of King Henry II, and to Hampshire, where Fabian de Cam was recorded in 1184 and William Cam in 1205. By the 13th century the name was established in Somerset, where William de Camme was living in 1214. Hugh de Camme was a resident of Gloucestershire in 1221. 
The Hundredorum Rolls of 1273 lists the following: Henry del Cam, Suffolk; and Robert de Cam, Oxfordshire. Later the Yorkshire Poll Tax Rolls of 1379 listed Willelmus Cambe, conttabularius; Johannes Cambe; and Nicholaus Cambe as all holding lands there at that time. 
Early History of the Gemm family
This web page shows only a small excerpt of our Gemm research. Another 258 words (18 lines of text) covering the years 1275, 1275, 1326, 1500, 1633, 1716, 1733, 1771, 1326, 1415, 1399, 1627, 1705, 1627, 1604, 1656, 1641, 1707 and 1641 are included under the topic Early Gemm History in all our PDF Extended History products and printed products wherever possible.
Gemm Spelling Variations
Until the dictionary, an invention of only the last few hundred years, the English language lacked any comprehensive system of spelling rules. Consequently, spelling variations in names are frequently found in early Anglo-Saxon and later Anglo-Norman documents. One person's name was often spelled several different ways over a lifetime. The recorded variations of Gemm include Cam, Camm, Camme, Caham, Cahm, Cahme and others.
Early Notables of the Gemm family (pre 1700)
Notables of this surname at this time include: John de Cam, the Rector of Kirkby-Cane in Norfolk in 1326.
David Gam (d. 1415), was a Welsh warrior, "more properly styled Davydd ab Llewelyn. 'Gam' is a nickname meaning 'squinting,' which, like other Welsh nicknames, became equivalent to a surname. David's father was Llewelyn, the son of Hywel, the son of Eineon Sais. Llewelyn possessed fair estates in the parishes of Garthbrengy and Llanddew,which lay within the honour or lordship of Brecon, a dependency of the earldom of Hereford, and after 1399 lapsed to the crown by the accession of Henry IV...
Migration of the Gemm family
Thousands of English families boarded ships sailing to the New World in the hope of escaping the unrest found in England at this time. Although the search for opportunity and freedom from persecution abroad took the lives of many because of the cramped conditions and unsanitary nature of the vessels, the opportunity perceived in the growing colonies of North America beckoned. Many of the settlers who survived the journey went on to make important contributions to the transplanted cultures of their adopted countries. The Gemm were among these contributors, for they have been located in early North American records: Thomas Cam who arrived in Maine in 1605.