Marriage;
17 Feb 1723/24. All Saints, Sedgley
Thomas HARPER to Jane TURNER
3 Bapts to a Thomas/Jane named John;
06 Jan 1732/33 (father a Nailer)
16 Dec 1739 (father a Boxmaker)
25 Sep 1743 (father a Boxmaker)
All have abode as Ettingsall
2 burials for JOHN, on of Thomas/Jane;
03 Jun 1737
18 Jan 1741/42*
So looks to me the 16 Dec 1739 one died and they named another again John 1742.
So had 3 sons named John.
All on FreeREG
Trish

EDIT,
Burials of;
JANE 30 April 1758, wife of Thomas***
JOHN 07 Apr 1774, son of Thomas
Now as no age given be cant assume he is John born 1741/42 as there may be another Thomas around having children Sedgely also.