Like God?
Mccayla is a modern phonetic spelling of Michaela, the feminine form of the Hebrew name Michael. The name poses a rhetorical question, implying that no one is like the Creator. While the 'Mc' prefix is traditionally Gaelic meaning 'son of', in this context it is used as a contemporary stylistic variation of the 'Ma' or 'Mi' sound.
Less common today
Mccayla isn't in the latest US Top 1000. It last peaked at #8,529 in 1998.
US births per 5-year period, 1990βpresent (SSA data).