Campaigners for a Yes vote are taking a bus around Ireland, to talk to voters in the upcoming same-sex marriage referendum.

The referendum takes place one month from today - and Yes Equality plan to visit 66 towns and cities in every county in Ireland.

The 'Vote Yes' bus in Dublin | Image: Juliette Gash

Grandparents, parents and families were among those attending the launch of the bus tour in Dublin this morning.

Madeleine Connolly (89) has 35 grandchildren - and says there have always been gay couples parenting.

She has this message to those who are thinking of voting No.

Meanwhile, the Presbyterian Church is advocating a No vote.

Reverend Norman Hamilton says changing the traditional definition of marriage would be bad for society.