When to Use a Comma Before "And" | Grammarly
www.grammarly.com › blog › comma-before-andAug 12, 2022 · There’s no single rule that applies to all situations. You usually put a comma before and when it’s connecting two independent clauses. It’s almost always optional to put a comma before and in a list. Comma before and in lists. A lot of people have strong feelings about putting a comma before and in a list. Exactly why this particular quirk of comma usage stirs such passions is hard to say; it’s just one of those things.