Hi
Now I found him and Margaret in the 191 census
Matthew is listed as 62 yrs retired patrolman
Margaret is listed as 54yrs

Now they is also a Matthew who died Oct 14 1917 at the age of 69 yrs old death cert.# 29713 in Manhattan

now with death date I found a Matthew Kenndey buried in
GREEN-WOOD CEMEMTERY
http://www.green-wood.com/

Last Name First Name Burial Date Lot Section
KENNEDY MATTHEW 1917-10-14 21260 174
KENNEDY MARGARET 1924-07-19 21260 174