It's a shame you couldn't post some pics of the event -- even if just group shots, keep them lo-resolution (so you can't zoom in to see fine details, people can't easily be identified, or printed out in poster form for someone's wall)
I'm thinking promotional material for next year. I know you're not making money off this, so it's completely legitimate to want this to succeed. And I'm sure everyone who attended this year wanted this event to succeed -- both 2023 and in the future.
And I know the purpose of the gathering to have fun with fellow Catholics and make friends (not just to find a spouse) but I'm sure those who go home without a spouse picked out will want this to succeed next year and bring even more (and different) people -- you know, to increase one's chances for all the above.