Cognomen Лейси (Lacey 
, Lacie 
, Leysi 
) , in all the world, is a common family name. The last name Лейси is characteristic of Northern Europe, particularly Guernsey, where it is quite a common surname, Ireland, and the United Kingdom (explore the name in all countries). Not in comparison with a country's population, it is commonest in the United States, the United Kingdom, and Australia. Likewise, Лейси is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lacey | United Kingdom, United States, Ireland, Australia, Canada |
| Lacie | United Kingdom, China, United States, Australia, Canada |
| Leysi | United Kingdom, Democratic Republic of the Congo, United States, Mexico, Canada |
| Лейси | Russia |