He won the race, though he never made the grade.
He was charged with fraud; though, these charges were dropped in court.
Any difference in usage with though in these examples? In the sense one looks correct with the semi-colon (more formal), whilst the other does not.
Also, any difference between 3 & 4 in terms of commas around the name.
Clair's mum, Debra, sadly lost her battle with an illness.
James' stunning wife Sarah walked down the aisle on the wedding day.