Well... it is just like asking yourself 'why do i talk?'. it's like hore english, and it is how they communicate to on another. It's horse language.
Nigh = Near/Close
Alice Nigh's birth name is Alice Elizabeth Nigh.
Craig Nigh's birth name is Craig Alan Nigh.
Jane Nigh's birth name is Bonnie Lenora Nigh.
Paul Nigh's birth name is Paul Raymond Nigh.
The storm clouds gathered nigh, signaling the arrival of a heavy downpour.
I think this is how you use nigh in a sentence: "It was a cold evening but morning was nigh." Hope this helps!!
Harmony Nigh is 5' 4".
Harmony Nigh goes by Harmoody.
Paul Nigh goes by Doc.
William Nigh went by Bill.
It can mean that something is near: as in "the end is nigh"