Family History Site shows a Allison Webb who was born in New York,1844,which could be the brother to Miranda. He is on the 1880 Census for Michigan. He has a Wife and one son,Both his wife and son were born in New York. The boys name was Roscoe,who was 13 in 1880. Excelsior,Kalkaska Michigan.Have you tried to find the family on the 1850 Census for New York ? Lyell