[11] Eventually, in October 2014, he joined the Scottish Green Party[12] although continued as an Independent MSP until the end of that session of parliament.

[13] In November 2013, Finnie submitted a Private Member's Bill proposal seeking to abolish the requirement for mandatory involvement of religious representatives on local authorities’ education committees.

[14] In March 2015, the Scottish Greens balloted their members to select candidates for the 2016 election, Finnie was placed top on their Highlands and Islands regional list.

[15] He was re-elected in the 2016 election and was joined in the Scottish Parliament by his daughter, Ruth Maguire, who represents Cunninghame South for the SNP.

[17] In May 2017, Finnie introduced a Private Member's Bill proposal seeking equal protection from assault for children by prohibiting their physical punishment by parents and others in charge of them.