John GRICE and Sarah GIBB are my 4th-great-grandparents on the paternal side of my Carr line. I have posted before about these surnames and geography and specifically about their marriage. 
There is a nice sequence of baptisms in the West Lutton / Weaverthorpe area for children of John & Sally GRICE, including my 3rd-great-grandmother Rachel (Grice) Ethell. Two trees from solid family researchers had given me the marriage of John Grice and Sarah Gigs as 1808 in Yorkshire, with unsourced, online trees giving John's birth as 1754.
My early research found an 1823 Baine's Directory for Yorkshire with both a John Grice senior (farmer & grocer) and John Grice junior (wheelwright & farmer). This and John's calculated age at the marriage worried me and made me think I should at least consider the idea that Sarah had married Junior or even that "Sally" and "Sarah" were two different women.
But, now having followed both Bishop's Transcripts and Parish Records  in the area for a whole lot of years, I agree that
- Sarah/Sally is one person,
- she married John Grice senior, and
- the Rachel Grice who marries Joseph Ethell is their daughter.
Senior was buried in 1833, after he and Sarah had another seven children. Then, widow Sarah Grice married widower George IRELAND in 1834. They had no children together. They appear together in the 1841 census District 6, Weaverthorpe, Yorkshire . Conveniently, Jane GRICE, the youngest daughter of Senior and Sally is with them, cementing the family groups I've formed:
Given the time span, the folder is not swollen with census extracts. But, it does need three family group sheets: Grice/Gibb, Grice/Simpson, and Ireland/Gibb. I had only printed out one of those previously, so I fixed that omission today.
The folder also holds several sheets of info on "unknown" Grice's. I think I will be able to label several of those after I finish with the parish records and sorting all the kids and grandkids. I also have a few printouts from online family trees with clearly incorrect and/or incomplete info on this couple.
- after I "finish" all the work left from my wonderful Missouri research trip, I have to go back and finish reading/analyzing the parish records, land tax records, and church wardens' accounts for this area
- input all the data from that analysis
- try to see what I can find on the kids in the 1841 and later censuses
- verify Senior's birth/baptism and parents as much as possible
- look for Sarah Gibbs' birth and parents; I have a clue that leads me to Acklan and I'm excited to start looking there!
It really pays to use multiple sources. I'm pretty proud of the research I've done on this couple. I wonder if I should try to contact some of the owners of those online trees?
Watch out, "Missouri pile," here I come! I've got a thing or two to show you!
Sources & Disclaimer
 see those posts for additional source citations
 census image cropped from that at ancestry.com
 Weaverthorpe, Yorkshire, England. Parish register 1682-1862, FHL # 1,068,415, Item 14-19
I do not and have never worked for nor received any special consideration for any of the entities listed above.