City directories for Bridgport are available on-line for every year 1895-1932 and many more. The following excerpts show the listings found for "Jacobson". Several other name variants have also been searched (altho not uniformly) with few findings.
1895	1899
1902	1904
1905	1906
1907	1910
1913	1914
1916	1923
1924	1925
1926	1927
1929	1952