Complex sentence: She debuted at the Theatre Royal, Sydney, 31 October 1834, were her father was a decorator, and married her colleague Henry Charles O'Flaherty (d.1854), in 1841.
Split into simpler sentences: She debuted at the Theatre Royal, Sydney, on 31 October 1834, where her father was a decorator. O'Flaherty married a theatre colleague, Henry Charles O'Flaherty (d.1854), in 1841.