Henry Giessenbier

File:JCIFounder.jpg{{short description|American banker; founded the Jaycees}}

Henry "Hy" Giessenbier Jr (1892–1935) was an American banker in St. Louis, Missouri of German ancestry.{{cite book|last1=Williams|first1=Walter |first2=Floyd Calvin |last2=Shoemaker|title=Missouri, Mother of the West |volume = 4 |publisher=The American Historical Society, Inc.|year=1930|url=https://books.google.com/books?id=aiYXAAAAIAAJ&q=%22Henry+Giessenbier%22 |page=37}} He became the founder of the Young Men's Progressive Civic Association in 1915 and the United States Junior Chamber in 1920.{{Cite web |url=http://www.usjayceefoundation.org/founders/giessenbier.htm |title=Henry Giessenbier - They Called Him "Hy" |access-date=2017-04-25 |archive-url=https://web.archive.org/web/20150925010945/http://www.usjayceefoundation.org/founders/giessenbier.htm |archive-date=2015-09-25 |url-status=dead }}{{Cite web |date=May 2021 |title=HENRY GIESSENBIER, JR. |url=https://www.canadajcisenate.com/wp-content/uploads/2021/05/Henry-Giessenbier-Jr.pdf |access-date=2023-03-02 |website=Canada JCI Senate}}

He died aged 43 of kidney complications.