Dear njlamantia
Welcome to Ireland Reaching Out!
Church of Ireland records for Clones (Adhadrimsee) begin in 1829 though it seems that Salt Lake City has earlier records dating from 1682 into the early 1700s. Roman Catholic records begin in 1848 for baptisms and 1821 for marriages. Do you know what religion your ancestors were? There are some records available at the RCB Library, you should keep an eye here to see when the Clones records appear:
http://library.ireland.anglican.org/index.php?id=168
There is also a Presbyterian Church near Garron, just outside Clones, so that is something to consider too if you are not certain about their religious denomination.
There is a Robert Wiggins recorded on the Flax Growers List. Given how uncommon the name is, it would be important to record the details of all Wiggins you find in case you can later link them to your family:
http://www.failteromhat.com/post1796.php
There are also some Wiggins messages on Ancestry.com:
http://boards.ancestry.com/thread.aspx?mv=flat&m=3487&p=localities.brit…
Best wishes
Clare Doyle
Genealogy Support