Supplanter or blue jay
Jayco is a modern American invention, likely created as a blend of the name Jay and the suffix -co, or as a variation of Jacob. It carries the traditional Hebrew meaning of 'supplanter' through its connection to Jacob, while also evoking the lively blue jay bird.
Less common today
Jayco isn't in the latest US Top 1000. It last peaked at #3,841 in 2025.
US births per 5-year period, 1990βpresent (SSA data).