Renny is of Latin origin, derived from the Roman family name Renatus, which means "reborn" or "reborn". It is often considered a variant spelling of Rennie, but it has gained recognition as an independent given name in its own right. The name Renny is composed of three letters: R, e, and n. It follows the phonetic pattern of many Latin-based names, with each letter representing a distinct sound. In terms of pronunciation, Renny is typically sounded out as "REH-ni", where "R" is pronounced as in "run", "e" as in "echo", and "n" as in "no". The name has been used for both boys and girls, although its usage is more commonly associated with males. Renny has not traditionally ranked high in popularity charts worldwide, but it has appeared occasionally in various countries' top names lists over the past century.
The name Renny experienced notable fluctuations in popularity over the years, with a peak of 15 births in 1976 and a low of 5 births in multiple years between 1982 and 2004. Since 2004, it has maintained an average of around 7 to 9 births per year, with some years seeing fewer than 5 births and others reaching double digits.