Lacie is a spelling variant of Lacey, which began as an English surname brought over by Normans from the town of Lassy in France; today most parents hear in it the delicate word "lace". It had its moment in the early 2000s alongside Macie and Kacie. Lacie peaked at number 810 in 2003, left the top 1000 some years later and ranks number 2394 in 2025.