Cailah is of Irish origin and means 'beautiful, slender'. It is derived from the Irish word 'cailleach', which refers to a wise woman or hag figure in Scottish Gaelic folklore. The name gained prominence in recent years due to its unique sound and spelling. Cailah has four syllables and rhymes with 'giraffe'.
"The name Cailah experienced significant popularity between the years of 2000 and 2008, with a notable spike to 11 births in both 2006 and 2008. However, its usage has since declined, with an average of only five births per year from 2009 onwards, except for brief spikes in 2012 and 2015."