Here's another Corrigan from Tyrone. My grandfather was from Fintona. This is near to Omagh and Five Mile Town. His family were flax farmers. He, his mother and siblings came over to Philadelphia (I think James was already there) when the eldest son was killed by the British when he was going to town with the flax crop. Pop-pop was about 8 at the time and his father already dead. Here's the family:
Charles Corrigan = Bridget Campbell
The children were:
Thomas 1860- 1882, Elizabeth 1861-1929, James 1865-1894, Rose 1865-1885, Mary, Sarah 1872ish and Joseph 1873.
All but Thomas came to Philadelphia. He died in the assault. There may have been older children though as Bridget was the second wife. Hope this helps someone.