A recommendation for a compulsory representation of men and women on such juries was rejected before the current law was introduced.
A Joint Oireachtas Committee raised concerns about female jurors being challenged due to a belief they may be too sympathetic to the complainant.
Last month, a man was jailed for ten years after a jury of eleven men and one woman found him guilty of raping his wife at their home in Dublin in 2014.
Noeline Blackwell believes it vindicated the current selection process but says more cases would have to be examined to get a better picture.
