found these, of course they don't cover all mathabs maybe. don't know. but worth checking out of anyone's interested.
Performing Hajj on Behalf of the Deceased
Islam Questions and Answers.: Questions And ... - Google Book Search
but then islamonline with sh. ahmed kutty stated that a husband must accompany his wife on hajj, but he doesn't specify pay for it. so idk. (lost the link for this one.)
allahu alim.
again i don't know many men who be mean spirited enough to deny their wives. and the second link mentions it is mustahab to take them to hajj.