1) Finnish boy name 
Japan Automotive Research Institute
Jari is a Finnish name for boys and girls. The meaning is `protected by his helmet` The name Jari is most commonly given to Dutch boys. The chances are 100 times greater that boys are called Jari there. Although in most countries Jari is a name given to boys. In the United States, 1 out of 17 Jari`s are girls.