Sue,
You mentioned Elizabeth Kelly als Hogg d.1768 Maughold in a previous note: Is this Elizth d/o James?
ELIZABETH HOGG was named as executrix in her father James' Will of 1720
TENTATIVE
Kirk Lonan Marriages: 30 OCT 1722: KELLY Henry / ??? Elizabeth; HK [of] Kk Marown
They seem to have had two children in Lonan, then moved to Maughold:
Kirk Lonan Baptisms: 04 JUL 1723: son* s/o Henry KELLY / - - [*John?]
Kirk Lonan Baptisms: xx xxx 1724: dau d/o Henry Kelly / Elizabeth -
Kirk Maughold Baptisms [IGI]: 03 JUL 1726: Henry s/o Henry KELLY /
Kirk Maughold Baptisms [IGI]: 18 MAY 1729: Robert s/o Henry KELLY / Eliza
Kirk Maughold Baptisms [IGI]: 04 MAR 1732: William s/o Henry KELLY / Elizth

Kirk Maughold Burials: Kelley Elizabeth 4 September 1768 als Hogg
Kirk Maughold Burials: Kelly Henry 25 January 1777

Will Summaries [mnb]:
Maughold 1768-3 Ew KELLY Elizabeth HOGG: d.4 Sep 1768; sons Wm (+ch), Henry (ch Robt, Nich, Margt), Robt (+ch), John; husb Henry; sons Henry + Wm jt exors.
Maughold 1777-2 A46 KELLY Henry: d. 24 Jan 1777; sons John, Wm, Robt (+4 ch), Henry exec; gch Margt Kelly, Wm Kelly; Danl Kaighin h/o Isabel, Ewan Kerruish h/o Joney; John Kermad h/o Margt; Cath Black d/o Robt acks.

Possible marriages: Wm / Cath Cashin 1762 Mau? ; Henry / Cath Cubbon 1748 Braddan? [CC Kk Maughold]; Robt / Anne Moore 1762 Santon [RK KkMaughold]
Fits rather well until the final bit of Henry Kelly's Will - I can't find any of the marriages of the 4 named ?granddaughters? - Isabel, Joney, Margt, Cath?
JohnL