I believe this is him, but I can't track him beyond his probable parents, George and Emily.
Canada Census, 1851 Shediac, Westmorland County, New Brunswick, Canada George Fernaldbirth: 1823 Emily Fernald birth: 1830 Alexander Fernald birth: 1847 Franklin Fernald birth: 1849 Arnetta Fernaldbirth: 1851
New Brunswick Census, 1861 Shediac, Westmorland, New Brunswick, Canada Amellia Furnall birth: 1830 Alexander Furnallbirth: 1848 Franklin Furnallbirth: 1850 Amanda Furnall birth: 1852 Andrew Furnall birth: 1854
Alexander Fernald 1870 Boston, MA age 22 carpenter b. Nova Scotia 1870 Rochester, NY age 23Tow Agent b. Nova Scotia 1900 Randolph, Morris, New Jersey b. Apr 1847 Maine, mechanical engineer, parents born in Newfoundland 1910 Randolph, Morris, New Jersey b. Canada 1920 , Morris, New Jersey b. Canada
Groom's Name: Alexander B. Fernald Groom's Birth Date: 1847 Groom's Birthplace: Can Groom's Age: 40 Bride's Name: Sarah E. Dehart Bride's Birth Date: 1844 Bride's Birthplace: Us Bride's Age: 43 Marriage Date: 04 Jul 1887 Marriage Place: Mt Freedom, Morris, New Jersey Groom's Previous Wife's Name: Indexing Project (Batch) Number: M02515-3 System Origin: New Jersey-EASy Source Film Number: 495706 Reference Number: P178 L42
Name: Amanda Brown Event: Death Event Date: 03 Jul 1907 Event Place: Boston,,Massachusetts Gender: Female Marital Status: Married Birthplace: Shediac, N B Father: George N Fernald Mother: Emily Brown Spouse: William R Brown Volume/Page/Certificate Number: 373 Film Number: 2258903 Digital Folder Number: 4283026 Image Number: 00452
Amanda Brown in 1900 Massachusetts b. Aug 1850 lists Maine for fathers birthplace m. 24 yrs 2ch
GEORGE W. FERNALD Spouse:EMILY M. BROWNMarriage:05 JUN 1846Portland, , Saint John, New Brunswick
It looks like brother Frank also moved to Massachusetts. Andrew appears to have stayed in Canada.