Sources & Information.
N O T I C E. The sir name spelling of Cladius OVAITT varies from Oviatt, Ovaitt and Ovaett. Given name of Cladius Ovaitt as Clorridas and Claudius.
Ancestry.com > Massachusetts Marriages, 1633-1850. Claudius B. Ovaitt, male, spouse Mary G. Ellis, marriage date 5 Nov 1839, Hardwick, Worchester Co., Massachusetts. Source: Family History Library, Salt Lake City, UT, film # 0873754 item 3.
Ancestry. Com > 1860 United States Federal Census, Rye, Westchester, N.Y., showing a C. B. Ovaitt, age 63, a Physician, born in Massachusetts, home Rye, Westchester, N.Y., Post Office Pound Ridge, N.Y., with a wife named Elizabeth age 51, born in Connecticut and another female named Elvina, age 23 born abt. 1837 in Massachusetts as deaf & dumb.
An Assumption by Edward D. Ellis. The information received or passed on to EDE indicates both Claudius B. Ovaitt and/or C. B. Ovaitt as a Physician. The dates could mean he is one and the same, that he married 1st. an Elizabeth [maiden name n/k] Ovaitt. They had a daughter Elvina Ovaitt, born abt. 1837. This being abt. 2 years prior to the birth of Amos Oviatt who’s mother was Mary G. [Ellis] Ovaitt, a 2nd. wife of Claudius B. Ovaitt. Was there a separation or death in the case of 1st. wife mention and then a soon after 2nd. marriage for Claudius B. Ovaitt?

The state of Connecticut has a number of those having the name of Ovaitt.