This is a misspelling of his name that was written on a ships manifest. This is William Hulbert(Hulburd) I, Puritan who came to America in 1630 to Dorchester, MA on the Mary and John, which sailed from Plymouth, England.
He is my ggggggg grandfather. His son, William II, married a sister of Susannah Martin, who was among the first five to get hanged as a witch in Salem in 1692. My poor aunt.