Alice (unknown) Dalton - Parents ?

The wife of Oliver Dalton was called Alice, not Lettice Moseley (daughter of Richard).

From English topography By George Laurence Gomme:

To the eternal memory of her deceased husband Oliver Dalton Esq son and heir of Michael Dalton Esq who departed this life Januarye 19 1618 and of his age 28 Alice Dalton his mournfull wife in testy'ony of her love hath erected this monument. Between the compartments are these arms Az. a lion gardant, arg. Dalton

References:

https://books.google.com/books?id=op8MAAAAYAAJ&lpg=PA19&ots...

And Burke’s has Lettice, daughter of Richard Mosely, married to a Thomas Nichols

https://books.google.com/books?id=KikAAAAAQAAJ&lpg=PA594&ot...

There may be a Moseley / Dalton connection through another Moseley daughter:

Juliana Dalton