I have gathered quite a bit of information on the Clow(e) family of Harbour Grace and Ferrland.Here are a few entries that may be of interest to you.
Carbonear Sentinel and Conception Bay Advertiser - April 2 1839 Married at Harbour Grace on the 28th ult by Rev. J. Snowball. Mr. John T. BURTON, proprietor of the Star Newspaper. To Adelaide, 2nd dau of H. G. CLOW Esq, Barrister at law.
The Gazette - St. John's - 25-Jun -1844 Heirlihy, George William Rowland, and Clow, Sophia, youngest daughter of Henry G. Clow (Barrister) were married at St. Thomas' Church, St. John's.