Hi,
I can confirm the birth of Edward Sloan. He was registered in Ballymena district which includes Broughshane, 2 Sept 1870.
I also found a marriage of Edward Sloan, father Robert, to Mary Young in Glenarm Non-subscribing Presbyterian Church. Larne, on 30 Oct 1894
How sure are you of the name Quigley? I cannot find a Sloan/Quigley marriage. However there is an Edward Sloan, father Robert, who married Martha Tweedle in 1910 in Ballymena.
Regards