Mark Costigan (aka Mark Wellar, b.1957) was guitarist with the Trench Band (1972-73), Stepaside and later Paul Ashford's band. He stopped playing in 1987 due to tinnitus but has since returned. He is now a journalist.
We need your help to correct and/or complete this entry. If you can provide more information about this band, have scans, photos or any other memorabilia we can use, or spare copies of any releases, then please get in touch.