She must be allowed to be a favourer of matrimony, you know; and (since self will intrude) who can say that she may not have some flying visions of attending the next Lady Elliot, through Mrs Wallis’s recommendation?"
There are no more uses of "matrimony" in the book.
Show samples from other sources
Carlotta stepped back, to better deliver the truth that, when she contemplated holy matrimony, made her heart beat faster.
Piper Kerman -- Orange Is the New Black
I haven’t been to visit him at his condo in several days, but I hear from him that he and Liv have been shopping for their matrimonial bed, each of theirs a bit too historied for the spending of restful nights.