When Robert Aird was born on 12 February 1798, in Kilmarnock, Ayrshire, Scotland, his father, John Aird III, was 46 and his mother, Janet Hunter, was 38. He married Janet Findlay on 18 February 1818, in Kilmarnock, Ayrshire, Scotland, United Kingdom. They were the parents of at least 2 sons. He lived in Windber, Somerset, Pennsylvania, United States in 1930. He died on 8 January 1839, in Kilmarnock, Ayrshire, Scotland, United Kingdom, at the age of 40.
Scottish: habitational name from either the medieval lordship of The Aird (Inverness) or from Aird Farm near Hurlford, Ayrshire. Both are named from Gaelic àird(e) ‘height, promontory’, or ‘headland’, from the adjective àrd ‘high, lofty’, cognate with Latin arduus ‘steep, difficult’. Compare Ard .