It is the Land Records and the Descendancy by Heirship that can prove everything.

The Land is held for 3 Descents – before it can be sold.

First Heirship – John Looney (Margaret Kelvy).

John Looney Will 1770
Item Forasmuch as I John Looney & Margaret Looney my wife did on
or about the 25th day of march 1769.

Second Heirship – Daniel Looney (Isabel Cashin).

Settle & Estate upon our Son.
Daniel Looney and Isabel {Cashin} Looney then Cashin his wife the one.
half of their parcel of Intack Land lately purchased from William.
Callow of Ballagilley commonly called and known by the name.
of Talloo Gob no Scoote.

Third Heirship – John Looney (Isabel Camaish)

Know all men by these Presents that I.
John Looney Senior of Boshin acknowledged.
to have given an Heirs bargain to my son John.
of a parcel of land commonly called.
Gob - ny -Schoot
this the nine
[teenth] day of December. 1831. my X
John Looney.

Fourth Heirship – John Looney (Rachel Redhead).

This next NSS Document proves that John Looney 1770 and Robert Looney 1773 are the sons of – Daniel Looney 1745 and Isabel Cashin.

NSS Maughold October 1823. (Sale 42).
Daniel Looney and Isabella.
his wife.
To.
Robert Looney.

Sell unto him the said Robert Looney.
All and Singular Our whole Right title and interest of.
in And Unto Our present Estate of the said Crow Creen.

Robert Looney was the Second Son of Daniel Looney and Isabel Cashin.

Crowcreen was sold to Robert Looney because his Elder Brother – John Looney (Isabel Camaish) had the Land Gob – ny – Schoot – handed down to him by Heirship Bargain.

Daniel Looney married, Isabel Cashin 30th March 1769.
Children.
1770 John Looney 14th Jan.
1773 Robt Looney 14th March.
1775 Margt Looney 30th Dec.
1782 Mary Looney 17th March.
1783 Thos Looney 20th Feb.
1789 Jane Looney 9th August.
1792 Esther Looney 6th May.

Averil