Birth info. for Isaac Gibson: Baptised 06 Nov. 1825, St. Mary's, Chester. Mother Elizabeth, father William (Paper Maker). This jibes with marriage info. from Suz. There is also the 1851 Census, with Mary Ann Gibson (married, age 22) living with her mother Elizabeth, in Great Boughton. Two children, John Gibson, b. 1848, Chester and Mary Ann, b. 1850. (The age of Mary Ann Gibson on the marriage certificate is 22, which would mean a birth date of 1854-55?)
Two files from the records: Isaac Gibson b. 1826 (again, thanks to Suz) and Isaac Gibson b. 1825, Chester. This Isaac went to sea in 1835. He is described as 5'5", with black hair. The ref. no is BT 113/32. He can write. No ticket no. that I can see. Any comments or suggestions re: the incongruities would be appreciated.