Just for reference these are the children of William and Mary:
THOMAS HOOKWAY 31 MAR 1805 Weare Giffard
EDWARD HOOKWAY 14 MAR 1802 Weare Giffard
MARY HOOKWAY 21 FEB 1796 Weare Giffard
RICHARD HOOKWAY, 24 FEB 1793 Weare Giffard
WILLIAM HOOKWAY 13 DEC 1789 Weare Giffard
SAMUEL HOOKWAY 22 MAY 1787 Weare Giffard
that's why the other christening seems so out of place:
ie:
IGI has a submitted entry
ROBERT HOOKWAY s/o William HOOKWAY and MARY BRINSMEAD
chr; 20 JUL 1783, Saint Giles-In-The-Wood
buried; 24 MAR 1809, Saint Giles-In-The-Wood