Records link Gertrude with Rosemary Costello, Timothy Michael Costello, J P Costello and one other person. Denville and Flushing are cities Gertrude has lived in. The residency of Gertrude is at 39 Highview Rd, Denville, Nj 07834. Gertrude owns the phone number (973) 586-4405. The age of Gertrude is 110. Gertrude's birth year is 1914.