What happened to William Mitchell family listed in US Census1870 in Lowell, Ma.

Question

Hi there, have been researching on Ancestry with no luck.  Trying to trace the family of William Mitchell.

DOB  1825  Yorkshire, England  (immigrated to US 1865)

Spouse   Katherine Holland   Mitchell

Children,  Frank, Harold , Oliver, William

They can be found in US Fed. Census 1870 in Lowell, Ma   after that there is nothing about them. Thanks so much, Margaret

Answer 1

William Mitchell, mentioned in the record of Oliver Mitchell and Mary Ellen Bellows. Marriage was 01 Aug 1914 at Manhattan, New York, New York. Oliver is 50 born est. 1864 at Leeds, England.

Father's name William Mitchell, mother Katharine Holland. Spouse is 42 born est. 1872 at Norton, Massachusetts. Spouse's father Otis W. Bellows, mother Elizabeth Hefferman.

Record Collection: NY, NY City Marriage Records, 1829-1740. familysearch.org