Birth years for this family jump around in censuses, so not sure if the year hear is right. Barb has her born 1844. The 1900 census for Maple Township in Iowa has her born in March of 1844.

There is a record of her in Woodbury, Iowa (as part of the 1905 Iowa state census). She is still married (James was still alive), and it mentions that he moved to the USA around 1862, and to Iowa around 1872 (echoing her husband’s. She was still farming at this time.