Henny, of German origin, is an uncommon yet charming unisex given name. It's derived from Henrik or Henrietta, both of which are pet forms of Henry. In some languages, such as Dutch and Scandinavian, Henny is used as a diminutive for names like Hendrik and Henrikka respectively. The name has gained popularity in the Netherlands and other Nordic countries, but remains quite rare elsewhere.
The name Henny experienced fluctuations in popularity from 1921 to 1930, with peaks of 8 births in 1921, 1925, and 1927, and a dip to as low as 5 births in some years. Overall, there were 58 babies named Henny during this decade.