The Queens borough president’s office will announce its pick for Queens historian, who will preserve the borough’s legacy Tuesday in Kew Gardens, a spokesman for Helen Marshall said.

Marshall’s office had put out the word in the spring that it was searching for a Queens resident to keep track of the borough’s history.

The position does not pay, but the selected winner could be required to make appearances on local television or in documentaries. The historian will also take part in walking tours and lectures....