In Germany, people say “Hinz und Kunz,” which are surnames.

English-speaking medical students use the phrase in memorizing the order of an artery, and a nerve, and the three tendons of the flexor retinaculum in the lower leg: the T, D, A, N and H of Tom, Dick and Harry correspond to tibialis posterior, flexor digitorum longus, posterior tibial artery, tibial nerve, and flexor hallucis longus.

Yikes

… and TIL that Harriet died in 2006 … right here in Australia, aged (an estimated) 176 years old.