Hi Frances
Two dates on IGI may be of interest to you.
Children of John and Ann Crain
Robert Thomas c,24 Jan 1847 St. Marks
William Henry c.19 March 1854 St. Marks
The twins you already have (c.22 Oct 1850 Patrick To John and Ann ?)
With seasons greetings to you all the others who give so much time and effort to keep this board going.

Regards Richard Redfern NSW Aust.