It'll be another 12 years before they get the right to vote, but in Red Dead Redemption, the womenfolk will have their say in how the West was run.
Notice that at 0:26 and 0:35 we see that Marston has scars on his right cheek matching those on Red Harlow's from Red Dead Revolver. While not a cameo, they at least foreshadow a continuity to the original game, so who knows. If we're bringing back the old gang, please include Annie Stoakes somehow. I like women in jeans and chaps. And she's probably only mid-40s by the time of these events.