What is the origin of the last name Lacy?

The last name Lacy originates from the medieval English name "de Lasci," meaning a person from Lassy or Lacy-sur-Somme, a town in Normandy, France. The name was brought to England by Norman conquerors and eventually anglicized to Lacy. Over time, the Lacy family established themselves as a prominent noble lineage, with several branches throughout England and Ireland. The surname Lacy is notable for its association with military prowess and accomplishments throughout the centuries.

Countries of origin for the last name Lacy

The last name Lacy has a long history that can be traced back to medieval England. It is derived from the Old French word “las” or “lasc” which means “lace” or “cord”. This suggests that the name may have originally been a nickname for someone who made or wore lace.

One possible origin of the last name Lacy is the town of Lassy in Normandy, France. In the 11th century, a Norman knight named Ilbert de Lacy accompanied William the Conqueror during the Norman Conquest of England. Ilbert de Lacy was granted extensive lands in England and became a powerful landowner. It is theorized that the Lacy surname may have evolved from his association with the town of Lassy.

The Lacy family became one of the most prominent families in England during the Middle Ages. They held vast estates and played significant roles in the political and military affairs of the time. In fact, the Lacy family was involved in the tumultuous events of the Baron’s Wars and the signing of the Magna Carta. Their influence extended to Ireland, where they owned extensive lands and established a branch of the family.

Over time, the Lacy surname has undergone variations in spelling, including Lace, Lacey, Lassey, and Laci. This is not uncommon for surnames that have been passed down through generations, with different branches of the family adopting slightly different spellings.

The Lacy surname found its way to the United States through English immigrants. Many Lacy families settled in Virginia and Maryland during the colonial period. Descendants of these early settlers spread across the country, and the Lacy surname can now be found throughout the United States.

As with many last names, the meaning and history of Lacy are not completely clear-cut. While there are several plausible theories and connections, definitive evidence is often hard to come by. Nevertheless, the rich history and wide distribution of the Lacy surname make it an intriguing subject of study for genealogists and history enthusiasts alike.

Interesting facts about the last name Lacy

  • The surname Lacy is of Norman origin, derived from the Old French word “lacie” or “lachee,” meaning “lace” or “bound.” It is believed to have originally referred to someone who made or wore lace.
  • There are several variations of the spelling of the surname, including Lacey, Lacye, Lassey, Lasey, and Lacie, among others.
  • The Lacy surname can be traced back to the 11th century, with its origins in England and Normandy. The first recorded instance of the name is of one Ilbert de Lasci, who held lands in Normandy and England in the 11th century.
  • In England, the Lacy family is strongly associated with the historic county of Lancashire. Members of the Lacy family were prominent landowners and feudal lords in this region during the Middle Ages.
  • The Lacy family also played a significant role in Ireland, particularly in the regions of Meath and Wexford. They were powerful Anglo-Norman lords who held extensive territories and became integrated into Irish society over time.
  • A notable individual with the Lacy surname was Hugh de Lacy, an important Anglo-Norman nobleman who played a crucial role in the Norman invasion of Ireland in the late 12th century. He was appointed as the Lord of Meath and later became the de facto ruler of Ireland.
  • The Lacy surname spread to other parts of the world through migration, particularly during the British colonization eras. As a result, Lacy families can be found in countries such as the United States, Canada, Australia, and New Zealand.
  • The surname Lacy has also been adopted by people of non-English origins. For example, it is a relatively common surname among the Irish community in Australia and the United States.
  • Various notable personalities have borne the surname Lacy, including politicians, actors, musicians, and athletes. These individuals have contributed to various fields and have left a mark on their respective industries.
  • The meaning and significance of the Lacy surname have evolved over time. While it originally referred to lace-makers, it now represents a diverse group of individuals with different occupations, interests, and backgrounds.

Name Rank


There are around 23110 people with the last name Lacy in the US

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