Allan
Hopefully this will reach you after so long.
I don't know if it of any use to you my great-grandfather Patrick MURRAY rescued from drowning at Saltcoats Harbour during mid-September 1900 a William ROY, son of Edward ROY (dynamite worker - would have been employed at Alfred Nobel's Stevenston factory). William was aged approx 11 years (b. circa 1889) and a younger brother was also present.
I understand from postings on other websites that you are interested in Quay Street. In the 1905-1906 Valuation Roll of Quay Street, Saltcoats, there is listed at 16 Quay Street, Saltcoats a Grace