While sexuality is protected under Irish anti-discrimination law, there is no such protection for homophobic speech.
The survey also found that 61 per cent of Christians are unhappy with conservative religious groups representing the views of all Christians.
A senior member of the church has claimed the extent of gay sex in the Vatican has “never been worse”.
Reports have suggested Pope Francis is angered by the news and may force the cardinal to retire.
The founder of Mission America claimed the rainbow image had been “violated and raped by the deluded and fraudulent”
The case, which started in 2012, saw a baker refuse service to a gay couple for their wedding.
The number of same-sex couples has risen 81 per cent since 2006.