Thomas Boyd
Thomas was born in 1405 in Kilmarnock, Renfrewshire, Scotland.  He died at the age of 34 on July 9th, 1439 in Craignaught Hill, Renfrewshire, Scotland.

 Isabell Boyd
Isabell was born in 1395 in Kilmarnock, Ayrshire, Scotland.  She died at the age of 44 in 1439.

 Margaret Boyd
Margaret was born in 1413 in Kilmarnock, Ayrshire, Scotland.  She died at the age of 40 in 1453 in Eaglesham, Renfrewshire, Scotland.