Many Ontario cenotaphs used initials instead of given names. An excellent site with full names and details is the Commonwealth War Graves Commission
contact John Allan if you are willing to transcribe a cenotaph or other war memorial for OGSPI
PACEY
PADDISON
PADDON
PAE
PAGETT
PAIEMENT
PALLING
PALMER
PANASUIK
PANTALL
PANTER
PAQUETTE
PAR
PARCELS
PARK
PARKE
PARKER
PARKIN
PARKINSON
PARKS
PARR
PARRETTE
PARRINGTON
PARROTT
PARTRIDGE
PASCOE
PATERSON
PATRICK
PATTEN
PATTERSON
PATTON
PATTRICK
PAUL
PAYMENT
PAYNE
PEACE
PEACHEY
PEACOCK
PEARCE
PEARSON
PECK
PEEBLES
PEEL
PEER
PEERS
PELKEY
PELLY
PENDERGAST
PENMAN
PENNE
PENNELL
PENNIE
PENNOCK
PENNY
PENTON
PEPLER
PERCY
PERDUE
PERKINS
PERLEY
PERNEY
PERRAULT
PERRY
PETERKIN
PETERS
PETLEY
PETTIT
PEVERELLE
PEZZUTO
PHELPS
PHIILLIPS
PHILIPS
PHILP
PHIPPS
PICARD
PICKARD
PICKET
PICKETT
PICOTTE
PIERCY
PIERNIGIE
PIFER
PILKINGTON
PIM
PINEBER
PINKERTON
PINSON
PITTMAN
PITTS
PLANT
PLANTE
PLATT
PLAYFORD
PLEWES
PLOURDE
PLUMMER
POLK
POLLOCK
POLSON
POMFRET
POMFREY
POOLE
POPE
POPHAM
POPRAWKA
PORTER
PORTES
PORTSMOUTH
POST
POTTER
POULTON
POWE
POWELL
POWER
POWERS
PRATCHLEY
PRATT
PRESTON
PRETTY
PREVOST
PRICE
PRIEST
PRIMEAU
PRINGLE
PRIOR
PRITCHETT
PROCOTOR
PROCTOR
PROULX
PROUT
PROVOST
PRYKE
PUBLOW
PUDDICOMBE
PUE
PULEY
PULLEN
PUNCHER
PUNNETT
PURCILL
PURT
PUTHERBOUGH
PUTTOCK