I guess you have seen the witnesses for the marriage ? - Henry Kewley Parish Clerk + Frederick Stevenson gentleman
HK was a very common witness but I suspect Elinor was his daughter - it would appear his son Henry married Margt Stevenson in Marown and I wonder if the two Stevensons were related - certainly Frederick was an unusual witness.

Henry senior was described in burial register as Parish Clerk for 23yrs and in MI age 71 at death s/o John Kewley (d 1751) described in burial reg as mr jk who was pc + schoolmaster 55 yrs and age 80 at death; Henry was bapt Michael 1704-04-25 s/o John + Cath Cain (cath bur Mic 1726-02-07)