Janilyn is a feminine name with American English pronunciation as JAN-uh-lin (/dʒænəlɪn/). It is also sometimes spelled as Janalyn. The origin of the name is uncertain, but it may be a modern combination of the names Jane or Janet and Lynn. While the popularity of Janilyn has varied over time, it consistently appears in data for newborns in the United States. In recent years, there have been around 5 occurrences per year, with a peak rank of 5,296 in 1947. Janilyn is a unique and beautiful name that would make a lovely choice for any baby girl.