Update 10.58pm: An exit poll conducted by Ipsos MRBI on behalf of the Irish Times newspaper could cause concern for Fine Gael and Labour tonight.

We will know in a matter of hours if Ireland has made history and become the first country in the world to vote for marriage equality.

Polling stations are reporting brisk turnout in referendum voting this evening.

The turnout in polling stations across the Shannonside region is reported to be at an average of 15% this lunchtime.