About the De Lacy Surname

It is easy to miss De Lacy in an index if you only search for Lacy. Like many surnames, it began with a place: “From Lassy, Normandy”.

• Other spellings include Lacey.
• Spellings drifted because names were written down by ear in parish books, tax rolls and passenger lists.
• The 2010 census count for De Lacy in the United States was 573, good for rank 38,582.
• De Lacy simply joins the particle De to Lacy, a habit common in English naming.

Arms associated with the name

Arms linked to Lacy and its spellings were granted to individual families; our heraldry team traces which line they belonged to. For the full story, order the De Lacy surname pack.