See History of Gwydir Street and Buildings in Gwydir Street.
In the 1891 Census, the house was occupied by
Herbert Johnson WATSON, born around 1844 in Cambridge, a grocer;
his wife Louisa Catley (nee WISBEY), born in August 1842 in Cambridge;
and their family
Arthur Wisbey, born around 1870 in Over, Cambs, a grocer
Sidney Herbert, born October 1874 in Cambridge, a grocer
Florence Louisa, born April 1879 in Cambridge
Herbert Percy, born in 1881 in Cambridge. He had died in January 1884
They had a domestic servant, 19 year old Jane PALMER, born in Linton, Cambs. Also living with them were grocer's assistant Thomas MISSEN, 21, born in Cambridge, and grocer's apprentice Frederick A BLYTH, 16, born in Fulbourn, Cambs.
Herbert Johnson Watson, grocer, lived in 144 Gwydir St in 1892 (see Kelly's Directory) and 1904 (see Spalding's Directory).
Sidney H. Watson, grocer and provision merchant lived here in 1913 (see Spalding's Directory). These two are father and son.
Butler Brothers, grocers, lived here in 1916 (see Kelly's Directory).
From Capturing Cambridge:
HISTORY OF 144 GWYDIR STREET