1880,1900,1920,1930 not found any US on Census
1910 Census
Listed as Levenson Clearly Serenson age 68 widower boarder PA Iron moulder arrived 1873 (could not find his arrival)
1940 (as posted to me)
West Haven Town, New Haven, Connecticut,
Peter R Sorensen M 50 Connecticut
wife Susan L Sorensen F 46 Connecticut
son Peter R Sorensen M 22 Connecticut
daughter Thelma L Sorensen F 17 Connecticut
daughter Jean B Sorensen F 14 Connecticut
father Elars Sorensen M 85 born about 1855 in Denmark
Street Directories All Ct.
1909 Serenson Branford, Ct
1934,1935,1936,1937,1938 & 1939 All Sorensen All West Haven, CT