I’d love to; but they are buried in my gazillion-page graduate thesis on marriage and the history of marriage in the U.S. leading up to the era of Roe v. Wade, when the SCOTUS began to destroy all legal supports for marriage. But common sense would tell you that before the 60s, when adultery was still a crime, fewer women than men took the chance on cheating, since there was no welfare, and they would lose their children or be abandoned with no means of support. It’s late. If this argument doesn’t convince you, freepmail me and I might look it up. You could certainly google it yourself.
Pretty close; 20% to men, 15-16% for women