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
SABATINOJ
SABOURIN
SADDLER
SADLER
SAINT_AMAND
SAINT_ARNAUD
SAINT_ARNOLD
SAINT_CROIX
SAINT_DENIS
SAINT_GERMAIN
SAINT_PIERRE
SALATINO
SALMON
SALTER
SAMPSON/SAMSON
SAMS
SAMUEL
SANDBACH
SANDERSON
SANDFORD
SANDIE
SANDIFORD
SANDILAND
SANDYS
SARRE
SAULT_STE_MARIE
SAUNDERS
SAUVE
SAVAGE
SAVARD
SAVILLE
SAWELL
SAWERS
SAWYER
SAXBY
SAYER
SAYERS
SAYLOR
SCANDRETT
SCHADE
SCHEFTER
SCHEWFELT
SCHOFIELD
SCHOLAR
SCHOLTZ
SCHWARDEAGER
SCHWARTZ
SCHWARZE
SCOLLIE
SCOTT
SCRIMPTON
SCRIVER
SCROCTER
SCULLAND
SCULLY
SEABROOK
SEAGER
SEARIGHT
SEARS
SEARWRIGHT
SEBBEN
SEELEY
SEELY
SEGUIN
SELBY
SELKIRK
SELMAN
SEMPER
SETTLE
SEYMOUR
SHADFORTH
SHADGETT
SHAE
SHAKLEFORD
SHANAHAN
SHANE
SHANKLAND
SHANNON
SHARPE
SHAW
SHEA
SHEARER
SHEEHAN
SHEFFIELD
SHEPHERD
SHEPPARD
SHEPPERDSON
SHERMAN
SHERWOOD
SHEWFELT
SHIELDS
SHILLING
SHIMMON
SHIPCOTT
SHIRLEY
SHORT
SHORTT
SHOULTZ
SHOWLER
SIBARY
SIBBETT
SIDNEY
SIKORSKI
SIMCOE
SIME
SIMMONDS
SIMMONS
SIMMS
SIMONS
SIMPKINS
SIMPSON
SIMS
SINCLAIR
SKARRIZI
SKILL
SKINNER
SKUCE
SLAUGHTER
SLEEMAN
SLEEP
SLOAN
SMELUK
SMILEY
SMITH
SMYTH
SMYTHE
SNACHE
SNAKE
SNEATH
SNELGROVE
SNELL
SCHNIEDER/SNIDER/SNYDER
SODOM
SOHOSKI
SOMMERVILLE
SOPER
SOSNOWSKI
SOUCI
SOUCIE
SOUTER
SOUTHAM
SOUTHWELL
SPALDING
SPANNER
SPARKS
SPARLING
SPEARMAN
SPEARS
SPECK
SPEERS
SPEIGHT
SPENCE
SPENCER
SPIERS
SPLANE
SPRAGG
SPRATLEY
SPRING
SPRINGGAY
SPROULE
STANLEY
STAPLES
STARK
STARKE
STARKEY
STATIA
STAUNTON
STAYLE
STEEL
STEELE
STEENBURG
STENSON
STEPHANIUK
STEPHEN
STEPHENS
STEPHENSON
STEVENS
STEVENSON
STEWARD/STEWART/STUART
STEYVERS
STICKNEY
STIER
STILES
STILL
STILLAR
STILLWELL
STINSON
STITT
STODDART
STOKES
STONE
STOREY
STORIE
STRATTON
STREET
STREETER
STRICKLAND
STRINGER
STRODE
STRONACH
STROUD
STRUDWICK
STUCKEY
STURGEON
STYLES
SUCCEE
SUGDEN
SULLIVAN
SUMMERS
SUMNER
SURETY
SURGET
SUSSEX
SUTCLIFFE
SUTHERLAND
SUTTON
SWAIN
SWANN
SWANSTON
SWAYZE
SWEENEY
SWIFT
SWIRE
SWITZER
SYDES
SYDNEY
SYKES
SYNSKI