Just got lucky while reviewing some unmarked pages of negatives...

I got out the loupe and could read a street sign including the "hundreds" block number on it... One of the shots had the name of a church...

So I looked for the combination on Google and came up with a city name that sounded familiar (I lived there a couple years)...

Shots were of kids in Easter Sunday best clothes. (But I only lived there "one" Easter).

Bingo... March 31, 1991