John Kaylor b. ca 1828 d. ca 1831 Susan Kaylor b. 23 Aug 1838 (Your 1834 year may be correct) Daniel Kaylor b. 13 Nov 1841 (Your 1838 year may be correct) Rachel Masden (Your spelling as Madsen may be correct)
Samuel Furry Kaylor (He assumed "Furry" in his later life) is my Great Grandfather. Is your line through John, Leonard or a yet to be named sibling?
I did not have any of Susannah's siblings listed. Goodluck on the hunt!