| Argenta Shamrocks |
Little Rock, Arkansas |
Arkansas State League |
professional |
defunct |
| Ashboro Shamrocks |
Ashboro, Indiana |
|
high school |
defunct |
| Austin Pacelli Shamrocks |
Austin, Minnesota |
|
high school |
active |
| Barnesville Shamrocks |
Barnesville, Ohio |
|
high school |
active |
| Berrien Springs Shamrocks |
Berrien Springs, Michigan |
|
high school |
active |
| Bishop Feehan Shamrocks |
Attleboro, Massachusetts |
|
high school |
active |
| Boston Shamrocks |
Boston, Massachusetts |
American Football League |
professional |
defunct |
| Boys Catholic Shamrocks |
Augusta, Georgia |
|
high school |
defunct |
| Chicago Shamrocks |
Chicago, Illinois |
American Hockey Association |
professional |
defunct |
| Detroit Catholic Central Shamrocks |
Novi, Michigan |
|
high school |
active |
| Dublin Coffman Shamrocks |
Dublin, Ohio |
|
high school |
active |
| Dubuque Shamrocks |
Dubuque, Iowa |
Three-I League |
professional |
defunct |
| East Detroit Shamrocks |
Eastpointe, Michigan |
|
high school |
active |
| Eau Claire Shamrocks |
Columbia, South Carolina |
|
high school |
active |
| Elkhart Shamrocks |
Elkhart, Indiana |
Interstate Football League |
|
active |
| Gabriels Shamrocks |
Lansing, Michigan |
|
high school |
defunct |
| Graceville Shamrocks |
Graceville, Minnesota |
|
high school |
defunct |
| Grand Rapids Shamrocks |
Grand Rapids, Michigan |
Northwestern League |
professional |
defunct |
| Grand Rapids Shamrocks |
Grand Rapids, Michigan |
International Association |
professional |
defunct |
| Grand Rapids Shamrocks |
Grand Rapids, Michigan |
Michigan State League |
professional |
defunct |
| Houston Shamrocks |
Houston, Texas |
Women's American Basketball Association |
professional |
defunct |
| Incarnate Word Academy Shamrocks |
San Antonio, Texas |
|
high school |
active |
| Kenosha Shamrocks |
Kenosha, Wisconsin |
All-American Girls Professional Baseball League |
professional |
defunct |
| Klemme Shamrocks |
Klemme, Iowa |
|
high school |
defunct |
| Long Island Shamrocks |
New York, New York |
North Atlantic Collegiate Baseball League |
amateur |
defunct |
| McCooey Catholic Shamrocks |
Hannibal, Missouri |
|
high school |
defunct |
| Melrose Shamrocks |
Melrose, Iowa |
|
high school |
defunct |
| Miles City Sacred Heart Shamrocks |
Miles City, Montana |
|
high school |
defunct |
| Montreal Shamrocks |
Montreal, Quebec |
Canadian Hockey Association |
amateur |
defunct |
| Montreal Shamrocks |
Montreal, Quebec |
Eastern Canada Amateur Hockey Association |
professional |
defunct |
| Montreal Shamrocks |
Montreal, Quebec |
National Hockey Association |
professional |
defunct |
| Montreal Shamrocks |
Montreal, Quebec |
Canadian Amateur Hockey League |
amateur |
defunct |
| Montreal Shamrocks |
Montreal, Quebec |
Amateur Hockey Association of Canada |
professional |
defunct |
| New England Shamrocks |
Boston, Massachusetts |
Premier Basketball League |
professional |
active |
| New Haven Shamrocks |
New Haven, Missouri |
|
high school |
active |
| New York Shamrocks |
New York, New York |
North Atlantic Collegiate Baseball League |
amateur |
active |
| North Avenue Presbyterian School Shamrocks |
Atlanta, Georgia |
|
high school |
defunct |
| North Harrison Shamrocks |
Eagleville, Missouri |
|
high school |
active |
| North Liberty Shamrocks |
North Liberty, Indiana |
|
high school |
defunct |
| Novi Catholic Central Shamrocks |
Novi, Michigan |
|
high school |
active |
| Parry Sound Shamrocks |
Parry Sound, Ontario |
Ontario Junior Hockey League |
amateur |
defunct |
| Pittsburgh Shamrocks |
Pittsburgh, Pennsylvania |
International Hockey League |
professional |
defunct |
| Regina Shamrocks |
Regina, Saskatchewan |
Saskatchewan Professional Hockey League |
professional |
defunct |
| Roseburg Shamrocks |
Roseburg, Oregon |
Oregon State League |
professional |
defunct |
| Sacred Heart Shamrocks |
Dearborn, Michigan |
|
high school |
defunct |
| Saint John Shamrocks |
Saint John, New Brunswick |
New Brunswick League |
professional |
defunct |
| Salmon River Shamrocks |
Fort Covington, New York |
|
high school |
active |
| San Francisco Shamrocks |
San Francisco, California |
Pacific Coast Hockey League |
professional |
defunct |
| San Francisco Shamrocks |
San Francisco, California |
Pacific Hockey League |
professional |
defunct |
| Scotus Shamrocks |
Columbus, Nebraska |
|
high school |
active |
| Somerset Shamrocks |
Somerset, Indiana |
|
high school |
defunct |
| South Carolina Shamrocks |
Spartanburg, South Carolina |
United Soccer Leagues-Division 2 |
professional |
defunct |
| Spalding Academy Shamrocks |
Spalding, Nebraska |
|
high school |
active |
| St. Mary Shamrocks |
Mount Morris, Michigan |
|
high school |
defunct |
| St. Michael Shamrocks |
Pontiac, Michigan |
|
high school |
defunct |
| St. Patrick Catholic Shamrocks |
Portland, Michigan |
|
high school |
active |
| St. Patrick Shamrocks |
Chicago, Illinois |
|
high school |
active |
| St. Patrick's Shamrocks |
Garryowen, Iowa |
|
high school |
defunct |
| St. Patrick's Shamrocks |
Imogene, Iowa |
|
high school |
defunct |
| St. Patrick's Shamrocks |
Cedar Rapids, Iowa |
|
high school |
defunct |
| St. Patrick's Shamrocks |
Iowa City, Iowa |
|
high school |
defunct |
| St. Simon Shamrocks |
Ludington, Michigan |
|
high school |
defunct |
| St. Thomas Shamrocks |
St. Thomas, South Dakota |
|
high school |
defunct |
| Strathcona Shamrocks |
Edmonton, Alberta |
Alberta Professional Hockey League |
professional |
defunct |
| Toronto Shamrocks |
Toronto, Ontario |
National Hockey Association |
professional |
defunct |
| Trinity Shamrocks |
Camp Hill, Pennsylvania |
|
high school |
active |
| Trinity Shamrocks |
Louisville, Kentucky |
|
high school |
active |
| Victoria Shamrocks |
Victoria, British Columbia |
National Lacrosse Association |
professional |
defunct |
| Waterloo Shamrocks |
Waterloo, Iowa |
Central Association |
professional |
defunct |
| Watertown Shamrocks |
Watertown, South Dakota |
North American Hockey League |
amateur |
active |
| Westfield Shamrocks |
Westfield, Indiana |
|
high school |
active |
| Wilkes-Barre/Scranton Shamrocks |
Wilkes-Barre, Pennsylvania |
North American Lacrosse League |
professional |
defunct |
| Windsor Shamrocks |
Windsor, Ontario |
Michigan-Ontario Hockey Association |
professional |
defunct |
| Winnipeg Shamrocks |
Winnipeg, Manitoba |
Manitoba Pro Hockey League |
professional |
defunct |
| Yuma Catholic Shamrocks |
Yuma, Arizona |
|
high school |
active |