Click Manx Notebook tab.
First page - scroll down to "Index"
3rd line down, click first item "Family History"
last line = will summaries
(previous line parish register transcripts, also very useful)

Easy when you know how, but I tried searching on the parish, wills etc before trying what now seems obvious! Frances has amassed an amazing amount of interesting and useful information, but I need to make myself a map sometime so I can find my way back to it all!