Apparently Catherine never remarried after Seely died as she was a Windsor in every census.
Catherine was head of the house in 1830 and lived next door to her mother in Mifflin Twp, Franklin Co, OH. Her family consisted of 2 males aged 5-10, 1 female under 5, and Catherine was 30-40. Two doors down lived brother John's family with other siblings as neighbors.
The 11/19/1850 census found Catherine had not moved. Son William was listed as head of the house at 27. His little guy, Jasper, was 2, and Catherine was 50. Catherine's real estate totaled $2500 but William farmed it. Son John was still next door with 3 Agler families beyond him.
On 7/24/1860 Catherine was again head of the house lived in the same place at age 66. Her occupation was domestic and she had property valued at $3000/465. Living with her were son William, 38, who probably farmed her land, Sarah Weeks, 46, domestic, and Jasper Windsor, 12, William's son. Next door was son John.
In 1870 she was 75 and lived with son William while son John was still next door. Just down the road were her sisters, Sarah Zinn and Elizabeth Herlocher.