Hi Brenda,
There are some shown here [Brian Lawson's wills index] on Ian Radcliffe's website:
www.mannincloud.info/indexes/my-will.html
The transcribed ones are in colour.
The numbers on the far right are the LDS film numbers for each one - you can view them at their Family History Centres (open to all) - see your local phone book under "Church of Jesus Christ of Latter-Day Saints".
There is a decree for Thomas:
MC YLWORRYE, Thomas 1752-3 Mau E d 0106380.
(Burial Maughold par reg: Thos MYLVOREY of Ballasage buried Apr 15 1752)
There are also transcripts here on Jim Smith's website:
www.jurbyjim.com/IOM/Wills_files/LtoM.htm
including this Maughold will: Margaret McYlvorry 1749.2 Alias Quark. - (Husband Thomas McYlvorry), who mentions her only son Thomas.
Margt MALLAVORREY als QUORK buried Maughold Feb 1748/49
Sue