Here are the entries for Blues/Blews in the pre 1855 gravestone Index.:
Benholm:
Erected by Alex Cragie shipmaster Johnshaven imo w Elspet Blews 28.2.1800 61, md 1764,following chn: Ann b. 11.10.1767, John b 26.8.1769, Alex b 18.(1). 1771 d 24.7.1791, Wm b (19).8.1773 d 6.1775, Isobel b 23.6.1775, Christian b 10.1777 d 28.7.1778.
Erected by Wm Blews, R-- officer in Gurdon imo fa Thos Blews skipper Johnshaven 1784 92,mo Janet Falconer 1775 86, 1w helen innes 1758 22, their da Mary d inf, deceased chn by 2w Isobel Dickie, Robt 1765 3y, Wm 1783 (17) y, Barbara 1775 3y 7 Barbara 1777 6m.
Wm Blews 27.1.1805 75, 2w Isobel Dickie 17.5.1798 62, two of their das viz Cleaphen 17.6.179- 22 & Janet 30.1.1799 39, s David d Port Royal Jamaica 17.9.1797 33. By John Simpson imo w Isabella Blues 26.5 1850 71.
If you do a seacrh for the name Blews, you will see this reply to another query.
Jean