Jader Is A Boys Name Of Hebrew Origin. This Respelling Of Jadon Is Teeming With Biblical Significance And Means "thankful" And "God Will Judge." In The Book Of Nehemiah, Jadon Is The Name Of A Courageous Prophet Who Helps Rebuild The Wall Of Jerusalem. His Legacy May Inspire Baby To Live A Bold And Fearless Life, Always Putting The Needs Of The Greater Good First. Some Similar Variants Include Jayder, Jaydor, And Jaedon.