How old was Thomas Heyward Jr when he signed the Declaration of Independence?

Heyward was apparently well regarded by his peers. Dr. Benjamin Rush, a Signer from Pennsylvania and a prominent Philadelphia physician and medical teacher, had this to say about him: “he was a firm Republican of good education and most amicable manners. He possessed an elegant political genius, which he sometimes exercised with success upon the various events of the war”.

The price of freedom – William Wells Brown

“I told [him] I had acted according to his orders. He had told me to look for a master, and I had been to look for one. He answered that he did not tell me to go to Canada to look for a master. I told him that as I had served him faithfully, and had been the means of putting a number of hundreds of dollars into his pocket, I thought I had a right to my liberty.”