In an Imaginary Story, Lana Lang has been stranded in the future, where she encounters Superman VI (The Undiscovered Country?), as he relates his family tree:
Wait a second...let's zoom in here:
Mrs. Lois Superman?? Mrs. Lois Superman??
OK, this was a 1962 story, so there wasn't much of a chance of her keeping the Lois Lane name.
But couldn't they come up with something better than Mrs. Lois Superman?
Mrs. Lois Kal-El...no, that's not quite right. Mrs. Lois-El? Nope...ummm...did anybody ever call Lara Mrs. Jor-El or something? Hmmm...
OK, help me out, Peanut Gallery: what would you call a super-powered Lois Lane who married Superman in 1962?
From as Lois Lane #36 (1962), as reprinted in Lois Lane #86 (1968)