Thanks! I will have to check into those locations. I have found out that Marston Sicca is now Long Marston. It is about 5mi from Stratford-upon-Avon where the family wound up. I have also found additional children (all girls except my 3rd great grandfather). One never married. Just today I found the other one after painstakingly going through census records - her birthplace had been transcribed incorrectly so she was hard to find!
I don't know if this will help me get any replies, but the family is William & Elizabeth Gibbs with children Sarah (b. 1812-1816, every census record is different), Henry (b. abt 1815), Mary (b. abt 1821-1822, married a Samuel Scott), and Ellen or Helen (b. abt 1825). I have 2 census records with her, one says Ellen and the other says Helen. I've researched both names but haven't found a marriage record or death record. But, I just started on these today so I am hopeful that perhaps some of this information will get me somewhere!?!? All these Gibbs children were born in Long Marston/Marston Sicca. But I have found no birth records on Ancestry.com. I've been given a site that sells CD's of parish records and Long Marston is listed. I will probably give up and purchase that and hope that I find something.
Thanks again!!
Tracy