Arthur Finlay was a Scottish rugby union player.
He was capped once for Scotland in 1875. He also played for Edinburgh Academicals.
He was the brother of James Finlay and Ninian Finlay who were also capped for Scotland, James in the first ever international. They all appeared together once in 1875, in the 0-0 draw against England at Raeburn Place: James winning the last of his four caps, while Arthur and Ninian gained their first caps.
References
Arthur Finlay Wikipedia(Text) CC BY-SA