More info about the name "Iwona"
Iwona is a Polish variant of Yvonne. Yvonne originates in Germanic languages and means "of the yew tree". It is a feminine form of Yvon. As a feminine given name it has always been more popular in France and other European countries than the United States. Lately, its usage has declined even more. It has been regularly used since the end of the 19th century.