Keelin, of Irish origin, is a unique and captivating given name that has gained prominence in recent years. It is derived from the Irish surname 'Ó Cellaigh,' which means 'descendant of Cellach.' This surname is believed to have been associated with an ancient tribe known as Uí Fiachrach Aidhne. The name Keelin is composed of the elements 'ó' meaning 'grandson (or descendant) of,' and 'Cellach,' a personal name that likely means 'bright-headed' or 'full of brightness.' This fascinating etymology lends an air of ancient dignity and strength to the name Keelin. Traditionally, the name has been more prevalent among females, but its usage has become increasingly gender-neutral in recent times. Keelin is often associated with the Irish goddess Cailleach, who embodies wisdom, knowledge, and nature's power. The name Keelin may also be associated with the ancient Celtic festival of Imbolc, which celebrates the awakening of the earth after winter. This connection further enhances the enchanting allure of this unique name.
"The name Keelin experienced a significant rise in popularity from the mid-1980s onwards, peaking between 1991 and 2007 with an average of over 35 births per year. However, there has been a steady decline since then, with fewer than 15 births annually recorded since 2016."