] Certainly those with money would be much sought after, and would marry much earlier.

Now that you remind me of it, I remember that Antonia Fraser said in her book The Weaker Vessel: A Woman's Lot in 17th-Century England, that heiresses tended to be married off by their mid-teens, while women lower on the social scale who didn't suffer from this particular negative side effect of wealth, tended to marry much closer to what we would consider normal ages: mid- to late-twenties. Of course, AF was talking about a century earlier, but I think the same general principle must have held true a hundred years later!