In Anglo-Saxon times, the people of a group of townships or villages; a community; a tribe.
People in general, or a separate class of people; -- generally used in the plural form, and often with a qualifying adjective; as, the old folks; poor folks.
The persons of one's own family; as, our folks are all well.
Most folks are as happy as they make up their minds to be. Abraham Lincoln
It has been my experience that folks who have no vices have very few virtues. Abraham Lincoln
My family, frankly, they weren't folks who went to church every week. My mother was one of the most spiritual people I knew but she didn't raise me in the church, so I came to my Christian faith later in life and it was because the precepts of Jesus Christ spoke to me in terms of the kind of life that I would want to lead. Barack Obama
Racism isn't born, folks, it's taught. I have a two-year-old son. You know what he hates? Naps! End of list. Denis Leary
Even when folks are hitting you over the head, you can't stop marching. Even when they're turning the hoses on you, you can't stop. Barack Obama