Leeson is an uncommon yet distinctive given name of Irish origin, derived from the family name O'Leasáin, which is believed to have been derived from the Irish word 'leasan,' meaning 'warlike.' This suggests that individuals named Leeson may have come from a long line of warriors or military leaders. The name has seen limited use throughout history but carries with it a strong, historic association. In terms of its sound and spelling, Leeson is phonetically straightforward, making it easily recognizable and simple to pronounce in English-speaking countries. It consists of four letters: L-e-o-s-e-n. While not among the most popular names, Leeson does possess an air of uniqueness and historical significance that sets it apart from more common choices.
The name Leeson experienced a notable spike in popularity between 2018 and 2019, with the highest recorded number of births in that year. Prior to this peak, the number of annual births varied between 5 and 6 from 2009 to 2015, and then remained at 5 in 2018 before doubling to 7 in 2019. Overall, there were 33 recorded births with the name Leeson over this ten-year period.