Nick's surname sounds a lot like care-away, and I've seen a number of online sources that state that this Fitzgerald intended for this to be so. I find this hard to believe, considering that Nick isn't characterised as a particularly careless or carefree person. Is there any authoritative source, or good reason, to support his being named 'Carraway'?
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Interestingly, Nick Carraway's first name has been interpreted as a reference to Niceros from Petronius's The Satyricon, the story from which Fitzgerald's working title Trimalchio in West Egg for what later became The Great Gatsby was taken. – Rand al'Thor♦ Sep 20 '20 at 8:35