New figures show that there were 18 same sex marriages in South Lanarkshire during the first three months of 2015.
Same sex marriages came into effect in December 2014.
The figures were released by National Records of Scotland, and show there were also 112 opposite sex marriages in South Lanarkshire.
And the number of births and deaths were also contained in the official figures.
In South Lanarkshire there was a total of 810 live births during the first three months of the year. That breaks down to 420 baby boys and 390 baby girls. There were three stillbirths during the period.
There was a total of 1011 deaths during the first three months of 2015 – 439 males and 572 females.
The mid-2013 population figure was 314,850.
The numbers for mid-2014 have just been released and show a new figure of 315,360 – with 151,790 males and 163,570 females.That is an increase of 510 ( 0.2 per cent).