Clara Lillian Pettis

Clara was the d/o John Bruce Pettis and Annie Amelia McNamara of Port Greville. I have John Pettis died 26 Oct 1875 at sea. Is this correct?
Clara Lillian Pettis, "Massachusetts, Marriages, 1841-1915"
Name: Frederick Augustus Cheney 
 Titles and Terms: 
 Event Type: Marriage 
 Event Date: [12 Feb 1896]
 Event Place: Chelsea, Massachusetts 
 Gender: Male 
 Age: 25 
 Marital Status: 
 Birth Date: 
 Birthplace: Chelsea
 Registration Year: 
 Registration Place: Chelsea, Massachusetts 
 Birth Year (Estimated): 
 Father's Name: Chas A Cheney 
 Father's Titles and Terms: 
 Mother's Name: Hope B Covell 
 Mother's Titles and Terms: 
 [occupation: book keeper]
Spouse's Name: Clara Lillian Pettis 
 Spouse's Titles and Terms: 
 Spouse's Race: 
 Spouse's Marital Status: 
 Spouse's Father's Name: John B Pettis 
 Spouse's Father's Titles and Terms: 
 Spouse's Mother's Name: Anna A Mcnamara 
 Spouse's Mother's Titles and Terms:  
 Certificate Number: 6475 
 GS Film number: 1843697 
 Digital Folder Number: 4332397 
 Image Number: 00368 
 Number of Images:
[Clara was born 2 Jan 1871 in Port Greville]
Frederick A. Cheney in entry for John Cheney, "Massachusetts, Births, 1841-1915"
Name: John Cheney 
 Titles and Terms: 
 Event Type: Birth 
 Event Date: 08 Jun 1902 
 Event Place: Boston, Worcester, Massachusetts 
 Race: White 
 Death Age: 
 Father's Name: Frederick A. Cheney 
 Father's Titles and Terms: 
 Father's Birthplace: Chelesa 
 Father's Age: 
 Mother's Name: Clara Pettis 
 Mother's Titles and Terms: 
 Mother's Birthplace: Maplewood [Parrsboro]
 Reference ID: v 523 p 303 
 GS Film number: 2057389 
 Digital Folder Number: 4212540 
 Image Number: 660 
John Covell Cheney, "Massachusetts, Deaths and Burials, 1795-1910"
Name: John Covell Cheney 
 Gender: Male 
 Burial Date: 
 Burial Place: 
 Death Date: 22 Feb 1903 
 Death Place: 
 Age: 0 
 Birth Date: 1903 
 Marital Status: 
 Spouse's Name: 
 Father's Name: Fred A. Cheney 
 Father's Birthplace: 
 Mother's Name: Clara Pettis 
 Mother's Birthplace: 
 Indexing Project (Batch) Number: I00855-1 
 System Origin: Massachusetts-EASy 
 GS Film number: 598645 
 Reference ID: 1683 
[cause of death: broncho-pneumonia 10 days]
Frederick A Cheney, "United States Census, 1910"
Name: Frederick A Cheney 
 Titles and Terms: 
 Event Type: Census 
 Event Year: 1910 
 Event Place: Chelsea Ward 5, Suffolk, Massachusetts, United States 
 District: 1675 
 Gender: Male 
 Age: 39 
 Marital Status: Married 
 Race: White 
 Race (Original): White 
 Relationship to Head of Household: Head 
 Relationship to Head of Household (Original): Head 
 Birth Year (Estimated): 1871 
 Birthplace: Massachusetts 
 Immigration Year: 
 Father's Birthplace: Massachusetts 
 Mother's Birthplace: Massachusetts 
 Sheet Number and Letter: 2A 
 Household ID: 23 
 Line Number: 
 Affiliate Name: The U.S. National Archives and Records Administration (NARA) 
 Affiliate Publication Number: M1283 
 GS Film number: 1374639 
 Digital Folder Number: 004330107 
 Image Number: 00701 
Household Gender Age Birthplace
Frederick A Cheney  M   39  Massachusetts   
Clara L Cheney         F   38  Canada   
Anna A Pettis            F   58  Canada [widow]
Lucy A Pettis            F   34  Canada [single] 1876
Florence W Pettis      F   32  Canada [single] 1878