I'm embarrassed to ask but I need help. I recently got married and we formed a double-barrel surname (Williams-Jonosky). What would the plural be of that - as in when you sign xmas cards. "Merry Christmas. From the Williams-Jonoskies". Changing "Williams-Jonosky" to "Williams-Jonoskies" just seems wrong.
And not only surnames.
'Say three Hail Marys.'
'There are four Bettys in this class'.