Aldin is of Slavic origin, specifically from the South Slavic languages. It is derived from the Old Slavic element 'ald' which means "noble" or "old". This name was popular among the ancient Slavs and has since been adopted by other cultures, particularly in the Balkans and Eastern Europe. The name Aldin is composed of two elements: 'Ald' and '-in', with '-in' being a common suffix in Slavic names. It is a unisex name, though it is more commonly used for males.
The name Aldin experienced a significant increase in popularity from the late 20th century onwards, with a sharp rise occurring between 1997 and 2007. This period saw the highest number of births, peaking at 42 in 2007. However, there was a notable decline after this peak, and since 2015, the number of births has been fluctuating below 30 per year. The total number of births recorded between 1917 and 2023 is 695.