Show ContentsLassy History, Family Crest & Coats of Arms

The surname Lassy comes from the place name Lassi, in the department of Calvados in Normandy.

Early Origins of the Lassy family

The surname Lassy was first found in Yorkshire, where Ibert de Lacy, son of Walter de Lacy (Lacie) was granted the castle and town of Pontefract and 164 lordships by William the Conqueror. Walter de Lacie (d. 1085) was one of the commanders that William the Conqueror "sent to Wales to subjugate the principality; and being victorious, he acquired large possessions there, in addition to those already obtained, as his portion of the spoil of Hastings. " 1

"His lands had been assigned to him in the West, where he held territory - to what exact extent is not known - under William Fitz Osbern, the first Norman Earl of Hereford; and upon the rebellion of William's son, Earl Roger de Britolio, the whole vast fief was conferred upon him by the Conqueror. He waged war successfully with the Welsh, defeating three of their princes with great slaughter in Brecon; and was killed in 1085 by a fall from a ladder while inspecting a new church he had founded at Hereford. " 2

Roger de Laci who also accompanied the Conqueror was rewarded with the tenure in capite of 116 lordships. It is presumed that the two were related but the relationship is unknown. 3

Rishton in Yorkshire was the place where a manor was held by Edmund de Lacye, who died 42nd Henry III. 4

There were at least two listings of the name in the Yorkshire Poll Tax Rolls of 1379: Robertus Lascey; and Isabella Lassy. 5

Stanlow-House in the union of Great Boughton, Higher division of the hundred of Wirrall in Cheshire was an ancient family seat to one branch of the family. "An abbey of Cistercian monks was founded here in 1178, by John Lacy, constable of Chester; but on account of the inundations of the Mersey in 1296, it was removed to Whalley, in Lancashire." 4

Early History of the Lassy family

This web page shows only a small excerpt of our Lassy research. Another 144 words (10 lines of text) covering the years 1086, 1172, 1185, 1215, 1298, 1584, 1610, 1615, 1671, 1673 and 1681 are included under the topic Early Lassy History in all our PDF Extended History products and printed products wherever possible.

Lassy Spelling Variations

Anglo-Norman names tend to be marked by an enormous number of spelling variations. This is largely due to the fact that Old and Middle English lacked any spelling rules when Norman French was introduced in the 11th century. The languages of the English courts at that time were French and Latin. These various languages mixed quite freely in the evolving social milieu. The final element of this mix is that medieval scribes spelled words according to their sounds rather than any definite rules, so a name was often spelled in as many different ways as the number of documents it appeared in. The name was spelled Lacey, Lacy, Lassey, Lassy, de Lacey, de Lacy and others.

Early Notables of the Lassy family

Outstanding amongst the family at this time was Henry de Lacy, Earl of Lincoln, who was recorded on the Falkirk Roll. The roll lists those who fought at Falkirk in 1298, when the forces of Edward I defeated William Wallace's Scottish army. Henry was a close counsellor of Edward I and Edward II, and his house in London gave its name to...
Another 61 words (4 lines of text) are included under the topic Early Lassy Notables in all our PDF Extended History products and printed products wherever possible.

Migration of the Lassy family

Because of the political and religious discontent in England, families began to migrate abroad in enormous numbers. Faced with persecution and starvation at home, the open frontiers and generally less oppressive social environment of the New World seemed tantalizing indeed to many English people. The trip was difficult, and not all made it unscathed, but many of those who did get to Canada and the United States made important contributions to the young nations in which they settled. Some of the first North American settlers with Lassy name or one of its variants: Lawrence Lacey, who settled in New England between 1620 and 1650; Jane Lacy, who sailed to Barbados in 1660; Elianor Lacy, who arrived in New England in 1663.



  1. Burke, John Bernard, The Roll of Battle Abbey. London: Edward Churton, 26, Holles Street, 1848, Print.
  2. Cleveland, Dutchess of The Battle Abbey Roll with some Account of the Norman Lineages. London: John Murray, Abermarle Street, 1889. Print. Volume 2 of 3
  3. Lower, Mark Anthony, Patronymica Britannica, A Dictionary of Family Names of the United Kingdom. London: John Russel Smith, 1860. Print.
  4. Lewis, Samuel, A Topographical Dictionary of England. Institute of Historical Research, 1848, Print.
  5. Bardsley, C.W, A Dictionary of English and Welsh Surnames: With Special American Instances. Wiltshire: Heraldry Today, 1901. Print. (ISBN 0-900455-44-6)


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