Is there a proper list of RDR2 story missions in order?

Not a numbered list here but the chapter order is the easiest way to keep track: Prologue - Colter, in the snow Chapter 2 - Horseshoe Overlook Chapter 3 - Clemens Point Chapter 4 - Shady Belle / Saint Denis Chapter 5 - Guarma Chapter 6 - Beaver Hollow Epilogue part 1 and 2 - John at Beecher's Hope The in-game Progress menu also lists every story mission you've finished under each chapter, so you can see what you've got left in the one you're on. Don't skip the epilogue, it's a decent chunk of the game.