Jansyn is of American origin, derived from a combination of the names Jan and Sydney. It gained prominence in the late 20th century as a unique unisex option, often favored for its blend of traditional and modern elements. The name Jansyn has also been associated with individuals known for their creativity and independence, perhaps due to its distinctive nature.
The name Jansyn peaked in popularity in the year 2000 with seven births recorded that year. There was another peak in 2005 also with seven births. The years 2003 and 2011 saw six and five births respectively, bringing the total number of babies named Jansyn to twenty-five over these four years combined.