The first Memorial Day Parade was in 1941.  This article from the Long Islander July 5, 1941 provides information.
(image courtesy of Tom Montalbano)

Memorial Day,1951
Left, marchers.  Mrs. Bannard is the Brownie leader.  Stephanie Ferri is looking back. Right, Gail Barnum, John Barnum and Tony Ferri
(images courtesy of Stephanie Ferri Green)

Memorial Day Parade 1953
Brownie Troop marching south past the Carnival Room on Jackson Avenue
(image courtesy of Stephanie Ferri Green)

Memorial Day,1961
Left, Syosset High School Marching Band.  Willis Netter, Director.
Directly to Mr. Netter's right is Ray Orobona on snare drum.  Behind Ray is Donald Gwynne on bass drum, behind Don is Fritz Weinrich on trombone. Also pictured are Linda Banvard and John Duffy.  The majorettes are probably Donya Gerber and M. Wilson.
Right, Ray Orobona and John Duffy playing the marching cadence.  To Ray's right in the picture is Meg Glueck.
(images courtesy of Ray Orobona)

 Christmas Parade, 1963

 Memorial Day,1982
(photo courtesy of Diane Oley)

Memorial Day, 2008

Little League Parade, 1954:   John Delin and Chip Harrison, tipping hats, Bill Eaton looking toward parked cars, 
Coach Pierce, Mgr. Fred Bolk

Hanging out at the Little League Parade, c. 1955

Tom Bolk, Jack Erickson, John Delin, ?, Buddy Norris, ?

Parades in 1959 and 1960
Left, majorettes 
  Joan Morrison, head majorette; Debbie Eddy, Jayne Ann Mierisch,
 Donya Gerber, Betty Henn
Right, Pat Lutz, Debbie Eddy and Jayne Ann Mierisch, majorettes;
Edwin "Andy" Netter in white uniform;
Elinore Abravanel on snare drum;
John Duffy on tom-tom
(photos courtesy of Priscilla Thralls King)

Syosset High School majorettes in a parade c. 1960,
Joan Morrison, head majorette
(image courtesy of Stephen Marrinan)

Postcard and pins

1951. John Dryfuss with Stephanie and Tony Ferri
(image courtesy of Stephanie Ferri Green)

Advertisement 1952 
(image courtesy of Tom Montalbano)

Diane Vanstane Oley, 1953
(photo courtesy of Diane Oley)

Stephie Ferri, 1953
(images courtesy of Stephanie Ferri Green)

Doug Knowlton, Norma and Mildred Wood
(images courtesy of Doug Knowlton)

 From the General Outdoor, 1954
(courtesy of Tom Montalbano)

Potus Twins 7th Birthday Party
Standing: Lynn Kachner, Gerry Potus, Linda McManus, Nancy Eastman, Jackie Potus
Linda Snyder, Lynn Holthausen (?)
Sitting: Carol Johnson, Martha Ostham, Marie and Geraldine Bressel, Joanne and Maureen Burke, Audrey Oliver, Marie Place
(courtesy of Gerry Potus)

Wooden wall note holder, c. '50s
The decal on bottom reads "Lollipop Farm, Syosset, Long Island, New York."

Vintage pennants

Bev Francis Powerhouse Gym 2014
Right, Carl Delin
(images courtesy of Carl Delin)

Hicksville vs. Syosset softball game (no gloves) September 7, 1931. 
 Charlie Rynsky is the runner for Syosset.  In left and center, the man covering the base wears a Hicksville Chiefs shirt.  This could have been a game after the Labor Day Parade in Hicksville.
Note:  Men seated atop fire truck, crank handle to start fire truck engine,
 young man wearing knickers, firemen in uniforms. 
(images courtesy of Mary Wencko Gaida)

 1937 baseball game at Summers' Field, bordered by
Berry Hill Road, East Street and North Street
 Became the site of a 7-11, bottom

Gary Zabel (left) of the Syosset Little League, V.F.W. Vets, 1953
(and Walter Bailey?)
(image courtesy of Gary Zabel)

John Delin of the Syosset Little League, Specialties Inc. Team (originally called the Specialists), 1953

Syosset Little League statistics, Syosset Advance, June 1955;

Team standings, leading batters and pitchers

Syosset Pony League box score of a no-hitter by Phil Lynch, Syosset Advance, June 1955
Notes:  The text and the team captions are in error; Phil pitched for the Vamps against Fieldwood.  Third baseman "Givas" is Tommy Ginas.

 Syosset Little League 1957 team, the Bankers
First row:  unidentified, Emery Dessofy, unidentified, Jim De Jesu, George Graf
Back row:  Mr. Johnson, Dennis Callahan, Ralph Willard, B. Izzo, unidentified, Pete Morrison
(image courtesy of Jim De Jesu)

Ticket to Syosset Little League dinner, Dec. 1957
Autographs on back:  Dusty Rhodes of the New York Giants and Jackie Farrell, Public Relations Director of the New York Yankees
(images courtesy of Jim De Jesu)

St. Edwards' CYO Little League, 1957
Left, Tony Ferri (SHS '66) is third from left.
Right, Tony Ferri at bat.
(images courtesy of Stephanie Ferri Green

 Syosset Cards, 1957
Top row:  Bob Rutzel (1st), Al Boccafola (2nd), George Wyer (3rd), Bill Hogue (4th),
  Dennis Wolownik (5th), Charles Jameson (7th)
 Second row: Bill Eaton (1st),
Bottom row: Mike Ries (2nd), Lenny Hershkovitz (4th), Bob Harrison, (5th)
(courtesy of Michael Ries)

 Syosset South Little League Team, c. 1957
:Howie Ries (SHS '65) back row, far right.
(courtesy of Michael Ries)

 St. Edwards' 1962 CYO baseball team, The Panthers
They came in 2nd place that year.
First row:  Patrick English (1st), Stephen Fricker (2nd), Richard Ballantine (4th)
(image courtesy of Stephen Fricker)

Syosset Little League c. 63 team, the Robins, City Champs 
Standing next to coach, far right is Jack Vanderveer.
Kneeling far right is Jerry Cisenius.
(image courtesy of Jerry Cisenius)

Syosset Little League c. early '70s team, JC Penney 
Top row from left, Joshua Weider, 2nd, Steve Griffin. 3rd.
(image courtesy of Steve Griffin)

Moses D. Hallett
Tackle at Harvard, 1939.

 Syosset-Woodbury Colts football team 1956
:Front Row:  Bill Baldwin, head coach, Rick Failer, Billy Baldwin, Mike Ries, Steve Denes, Larry Beer,
Chip Harrison, Fred Harris, Ted Hochman, Steve Repetti, line coach.
Second Row:  John Farraday,  Jack Erickson, Russ McCall, Menard Doswell, Walter Bailey, Tom Bolk,
Steve Repetti, Clyde Pinebird, Larry Folb, Bob Farrall, head line coach.
Third Row:  Steve Failer, line coach, George Casey, backfield coach, Steve Leksutin,
Tom Harrison, Bruce Pecheur, Richard Vallary, Dennis Wolownik, Jim O'Connor, George Wyer,
Jon Tedeschi, Lee Vanderdrift, Bob Plessner, line coach.
(courtesy of Michael Ries)

 Syosset Spartans 1956
Midget Football
:(courtesy of Shirlee Sarver Iacono)

 Spartans' Cheerleaders and Twirlers 1956
: (courtesy of Shirlee Sarver Iacono)

  Syosset Spartans pen
:(courtesy of Larry Chernow)

Vintage "emo" Braves football t-shirt

College football trading cards, c. 1970s
Syosset residents, left, Matt Kupec; right, Chris Kupec

Vintage basketball shirt

"Be Yourself" by Sue Bird, famed basketball star from Syosset 

Left, 1959 advertisement for the Syosset Tennis Club;
Right, vintage tennis jacket

 Advertisement for Theodore Galiza Stables, Split Rock Road, 1947
(image courtesy of Tom Montalbano)

1947
Left, Theodore Galiza
Right, with his friends, Duke and Buttons 
(photos courtesy of Sally Anne Lynch)

Left, Galiza's Stables, riding ticket, 1957
Right, Tricia Boslet in the ring at Galiza's Stables, Fall '63
She learned to ride at age 5 and subsequently won many prizes.

 Tricia Boslet victorious on Snow Queen, 1963
(courtesy of Tom Montalbano)

Left, Tricia on Silver Dollar; right, Tricia on Mickey.
(photos courtesy of Maureen O'Brien)

Left, Tricia on Silver Dollar; right, Tricia's mother, Instructor Maureen Boslet, is shown in the main ring with one of her pupils. c. 1965.  The horse’s name is Susie. Every Sunday in the 1960s,  a dozen children of the United Nations’ visiting diplomats and employees came to Galiza’s for riding instructions.  The hack stable, housing horses reserved for the general public,  is in the background as is Bill Murphy, Galiza’s Stables manager.
(photos courtesy of Maureen O'Brien)

Left, 1959 advertisement;
Right, Jack Amon on "Iceman," October 1959

Invitation to a 1992 Galiza Stables reunion
The card on the front (left) is c. 1960s. 
(courtesy of Maureen Boslet O'Brien)

 Galiza's was sold in 1972 and converted to senior housing, seen in this 2003 photo.

 Captain Vladimir S. Littauer
Captain Littauer, formerly of the Russian cavalry, was a horseback riding instructor
and the author of several books on the subject.  He founded and was an instructor 
at the Boots and Saddles Club of New York.  He lived at 510 Split Rock Road, 

 Trophy awarded for the Gymkhana event by the Boots and Saddles Club of Syosset
 at the Syosset Derby, September 1929 
Gymkhana is a term used to describe timed games on horseback.

 Cover of Schooling Your Horse, 1956, by Captain Vladimir S. Littauer

Left, Ben Steall (10th from left), legendary harness racing great and Syosset resident for many years, at Monticello for the "Battle of the New York Legends, 2003; right, Ben drives Something Superb (4) to victory in one of his many wins at Roosevelt Raceway.

Vintage Syosset Track and Field  shirt

 Syosset track hurdle

Vintage Syosset Cross Country  t-shirt

Syosset Soccer Club 25th Anniversary Emblem
designed by Brian Fitterman
(image courtesy of Brian Fitterman)

Syosset lacrosse stick

Amateur hockey pin
(image courtesy of Warren Mills)

                                  
           Matchbook cover from Syosset Lanes on Jericho Turnpike

                                  
           Matchbook from Market Lanes on Robbins Lane, c. 1950s

                                  
           Matchbook cover from Market Lanes
(image courtesy of Michael Mark)

Mid-Island Bowl 1958-59
Jenny Jozwiak Smith, Margie Kotowski Langa, Leone Knettel Taylor, Joan Mazola, Nellie (nee Kotowski)
(image courtesy of Diane Oley)

Stephie Ferri, 1953
(image courtesy of Stephanie Ferri Green)

 Scenes from Girl Scout Camp Edey, Bayport, LI, 1954
Left center, center and right:  Stephie Ferri
(images courtesy of Stephanie Ferri Green)

Woodbury Girl Scout Troop 371, c. 1950s
Carol Ann Petito, top row left.
(courtesy of Carol Ann Petito Babina)

Left, Locust Grove Cub Scouts at Locust Grove School, 1973
with, left to right, Mrs. Yamada and Mrs. Connie Ferri
Right, Vincent Ferri
(images courtesy of Stephanie Ferri Green

 BSA Troop 280, Locust Grove
Eagle Night program, November 21, 1958
(courtesy of Michael Ries)

 1960 Boy Scout Jamboree, Colorado Springs
Third row: Michael Ries is on the end kneeling with his arm resting on the tower.
Also third row: Steve Denes (2nd), John Carpenter (7th), John Avellar (8th).
Top row:  Bill Steiglitz (1st), Don Anderson (4th), Paul Kimmel (5th), Tom Burns (6th), Bruce Chasan (10th). John Avellar Sr. is the scoutmaster on the right (no glasses).
( courtesy of Michael Ries)

Syosset scouts camped at Camp Wauwepex in Wading River

Kiwanis Club Charter Night program
March 19, 1955
(courtesy of Gerry Potus)

George Potus, first Syosset President, at Kiwanis Dinner
(courtesy of Gerry Potus)

George Potus receiving the charter
(courtesy of Gerry Potus)

Kiwanis Club second annual Halloween Paint-up contest, 1956;
Intermediate winner Pam Boslet's window (Syosset Sweet Shop)

 Left, camp counselors at Woodbury Country Club, Jericho Turnpike, 1960
(photo courtesy of Richard Glazer) 
Click on the above picture for larger version and names;
Center, advertisement, 1962;
Right, Woodbury Country Club today

Camp Su-Re-Ka counselors, c. 1959
Top row left to right: Warren Pollock, John Pawluk, Norman Effman, David Lezak, Ben Green, David Pardoe Jr, Jon Fisher, Tony Rao,, Bob Lucinatelli, ?, ?
Second row: Sandra Schmukler, Linda Lowenstein, ?, Ruth Crystal?, Kim Egan, Penny Pollock, Judy Baron, Carol Schmukler, Jayne Ann Mierisch, Carol Ann Petito, Laurey Lebenson.
Bottom:  Iris Falcone, Angeline Mucera, Sue Meyrowitz, Carole Nymann, Susan Montaperto, Bobbi Malchman
(courtesy of Carol Ann Petito Babina)

Camp Su-Re-Ka  1960
counselor Carol Ann Petito, left.
(courtesy of Carol Ann Petito Babina)

Rotary Club pin

 Syosset VFW jacket and emblem