Lemoyne is a rare and distinctive given name of French origin, meaning "from the limestone lands". It was once popular among Louisiana Creoles but has since become quite uncommon. The name Lemoyne is associated with the historic Lemoyne Family, who played significant roles in Louisiana's early history and politics. Despite its rarity today, Lemoyne remains a unique choice for parents seeking an unusual yet meaningful name for their child.
The name Lemoyne experienced a peak in popularity during the early to mid-20th century, with a significant number of births recorded each year between 1912 and 1946. The highest number of births occurred in 1923 with 18 newborns, while the lowest was in 1952 with only 5 births. After 1970, the name's popularity sharply declined, with an average of about 5 births per year from 1970 to 1981. Overall, there were a total of 357 recorded births for the name Lemoyne during this period.