Which preposition to use with fisherfolk

of Occurrences 2%

But he was none the less a striking personage to these simple fisherfolk of the great Yukon Delta, who, all their lives, had stared out on Bering Sea and in that time seen but two white men,the census enumerator and a lost Jesuit priest.

on Occurrences 1%

Eleven years he preached to the poor fisherfolk on Sunday, and on week-days helped his parishioners rebuild the old church.

Which preposition to use with  fisherfolk