Siar is of Irish origin, meaning "star". It is a unisex name but is more commonly used for males. The name has a strong, distinctive sound and offers an alternative to more traditional Irish names like Seán or Sorcha. Siar is also reminiscent of the English word 'stair', adding a familiar touch to its unique pronunciation. It is not among the most popular names in Ireland, making it a rarity that might appeal to those seeking something different for their child's name.
"The name Siar experienced fluctuations in popularity over the years, with a peak of 17 births in 2021 and a recent high of 13 births in 2023. In total, there were 54 babies named Siar born between 2019 and 2023."