Cheerful or from Lassy, France
A modern phonetic spelling of Lacey. It originates from a Norman French surname derived from the village of Lassy in Calvados, France, which was brought to England after the Norman Conquest.
Less common today
Layci isn't in the latest US Top 1000. It last peaked at #9,960 in 2012.
US births per 5-year period, 1990βpresent (SSA data).