Connecticut death record index:
MARGARET HANRAHAN 1924-12-31 NEW HAVEN
ROGER HANRAHAN 1944-07-05 NEW HAVEN
Interment for both (and an Edmond J. Hanrahan) at St Bernard's Cemetery, sect. G):https://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GSln=H...
City directories for New Haven of 1938-1941 have a Roger Hanrahan, grocer, 62 Cosey Beach Av.
1941 New Haven city directory has an Edmond, Rodgers and Rosalie Hanrahan all associated with the address of 506 Ferry. This Rodgers Hanrahan has also been listed as "Rody Hanrahan" , grocer, in earlier directories