I went to check and see who was the first child born in the USA and found that Catherine was born in PA and I didn't notice. The Timelifts were also born in PA and maybe kin to Catherine.

In 1860 Simon is still the only one to hit in the census

Simon J Reading
Age in 1860: 20
Birth Year: abt 1840
Birthplace: England
Home in 1860: Warren, Washington, Ohio
Gender: Male
Post Office: Harmar
Value of real estate: $2500- and $500-
Household Members:
Name Age
John Reading 56
Cath Reading 49
Martha Reading 22
Simon J Reading 20
Lydia Reading 19
Thos Reading 15
Sarah Reading 12
James Reading 10
Fanny Reading 8
Nancy Reading 5


These are the only Reading, Martha and Simon who hit in the FreeBMD

Name: Martha Reading
Year of Registration: 1838
Quarter of Registration: Jan-Feb-Mar
District: Crickhowell
County: Breconshire, Monmouthshire
Volume: 26
Page: 259

Name: Simon John Reading
Year of Registration: 1839
Quarter of Registration: Oct-Nov-Dec
District: Crickhowell
County: Breconshire, Monmouthshire
Volume: 26
Page: 275

And I am having no luck finding the family in immigration lists