Tomorrow’s event at QEII has attracted activists, including Bob Katter’s half-brother Carl Katter and Australian Coalition for Equality founder Rodney Croome.

Mr Croome, who waged the campaign to decriminalise homosexuality in Tasmania, rubbished claims regional Australia was hostile to legalising gay marriage.

He said most Australians now supported marriage equality, including 58 per cent of those in regional areas.

“My message will be that the values regional people hold dear are exactly the same as marriage equality,” Mr Croome said.

“Marriage is defined by love and commitment and not by the gender of the partners.”

More than 350 people have indicated on Facebook they would be attend the rally.

Organisers yesterday encouraged those who had not made up their mind about gay marriage to come and listen to the speakers.

Federal MPs Sophie Mirabella and Sussan Ley were sent invitations on Wednesday afternoon, but won’t attend because of prior commitments.

The event was organised by hetrosexual woman Rhiannon Konigson who wanted her gay friends to be able to feel they were accepted by the wider community.

Mothers, fathers, brothers and sisters of the Border’s gay and lesbian community will also attend the rally.

Kelly Dwyer, from support group Hume Phoenix, said it was getting parents of kids aged as young as 12 contacting them seeking support.

“It’s so much more common now for people to be accepting,” Ms Dwyer said.

The Border’s equal love rally will run from 1pm to 3pm tomorrow and is a family-friendly event.