Almanzo is an uncommon given name of American origin, derived from the surname 'Almon' and meaning 'ready to help'. It was popularized by Laura Ingalls Wilder's series of books, most notably in 'Little House on the Prairie', where Almanzo Wilder appears as a significant character.
"The name Almanzo experienced a resurgence in popularity between 2011 and 2018, with five births each of those years, after a noticeable dip to just one birth in 1980."