Ákos was the son of Tamás Barcsay de Nagybarcsa but his mother is unknown. The date and place of his birth have not been found.
His wife was Anna Sztrigyi de Szentgyörgy. They were married, but the date and place have not been found. Their seven known children were György (?-?), Márk (?-?), András (?-<1555), Tamás (?-?), Klára (?-?), Anna (?-<1570) and Zsófia (?-?).