The man and woman killed in the explosions Monday at Ellison Bay are a couple from Bloomfield Hills, Michigan.
The Brown County Medical Examiner's Office says they're 49-year-old Patrick Higdon and 45-year-old Margaret Brooks Higdon.
The pastor of St. Regis Roman Catholic Parish in that Detroit suburb, the Reverend Norman Nawrocki, says two of the couple's three children and Mrs. Higdon's parents were among those injured.
He says they were taking their annual vacation together to Ellison Bay, which they had done for many years.
Much of a tiny tourist town on the shores of Lake Michigan remains closed as investigators try to sort out what caused a series of explosions.