Rolly is a unisex given name, though it's more commonly used for males. It originated as a nickname for Roland, which is of Germanic origin and means "famous land." The name Rolly has gained popularity in various parts of the world due to its unique sound and its association with several notable figures throughout history.
The name Rolly appears to have experienced periods of popularity followed by decline over the past century and a half. Between 1916 and 1923, there were consistently high numbers of births with the name Rolly, reaching as many as 12 in some years. However, after 1925, the number of births with this name began to decrease significantly. In fact, between 1947 and 2019, the majority of years had only 5 births per year, suggesting that Rolly is now quite uncommon as a baby name. Overall, there were a total of 431 births with the name Rolly recorded over this time period.