Just kinda popped into my brain. Is there any possible records to know who actually touched the ground first? Sort of like the first man to walk on the moon situation.
Hi OP, no-one will be able to provide the name of the first man, if it even was a man, to arrive in the Americas because this event is deep into pre-history, meaning there are no written records. You may be interested in this thread discussing theories regarding early migrations:
This thread is archived now, so if you have follow-up questions for any of these users, just ask here and tag their username to notify them.
You might also consider x-posting to /r/AskAnthropology, since human migrations are right up their alley.