General Discussion

...was a man of mixed race, who would be referred to as Black today -- Crispus Attacks.

It is unclear whether he had also self-liberated from enslavement, due to name and family record inferences.

Those are discussed at some length on his Wikipedia page. https://en.wikipedia.org/wiki/Crispus_Attucks

I say "first patriot to die in battle" because the British shot a twelve year old boy a few weeks earlier, who shares a tombstone with the Bunker Hill slain.