Like I said previously, my wife and I will continue to use both our names in all our correspondence including invitations until my Rav tells me not to. He has received 3 invitations from us for various simchos so far (may we be zoche to many more) and has not made a single comment about my wifes name appearing on the invitation. If “her na” is your ravs geder, so be it, he can make all the gedarim he wants for himself, and those who seek his guidance. My rav calls his rebbetzin by her name when calling to her, “her na” is obviously not his geder.
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