The spelling of the word "McNeilly" can be a bit tricky for non-native English speakers as it does not follow the usual pronunciation rules. The correct IPA phonetic transcription for this word is /məkˈniːli/. The "Mc" prefix is a common Scottish naming convention that is pronounced as "mək". The "eilly" ending is pronounced as "iːli", with the double "l" indicating a long "ee" sound. So, when saying "McNeilly", remember to emphasize the "mək" and elongate the "ee" sound in "eilly".
The word "McNeilly" is actually a name, rather than a word with a specific etymology. It is of Scottish origin and is derived from the Gaelic name Mac Néill, which means "son of Niall". "Mac" means "son of" or "descendant of", and "Néill" is a Gaelic name derived from the Old Irish "Niall", meaning "champion" or "cloud". Over time, the name Mac Néill evolved into various forms, including McNeilly, MacNeill, and McNeil.