| May 2019 | |||
|---|---|---|---|
| Date | Day | Holiday | Where |
| May-1 | Wednesday | Loyalty Day | South Carolina (Special Days) |
| May-1 | Wednesday | VFW Loyalty Day | Rhode Island (Special Days) |
| May-2 | Thursday | Commonwealth Day of Prayer | Virginia (Special Days) |
| May-3 | Friday | Arbor Day | Vermont (Commemorative Days) |
| May-3 | Friday | Vietnam Veterans Survivors' and Remembrance Day | South Carolina (Special Days) |
| May-4 | Saturday | Green Up Day | Vermont (Commemorative Days) |
| May-4 | Saturday | Rhode Island Independence Day | Rhode Island (Special Days) |
| May-6 | Monday | Nurses' Day | Rhode Island (Special Days) |
| May-7 | Tuesday | Primary Election Day | Indiana (Public Holidays) |
| May-8 | Wednesday | Public School Paraprofessional Day | Texas (Special Days) |
| May-8 | Wednesday | Truman Day | Missouri (Public Holidays) |
| May-9 | Thursday | Rhode Island Hero's Day | Rhode Island (Special Days) |
| May-9 | Thursday | Willie Velasquez Day | Texas (Special Days) |
| May-10 | Friday | Confederate Memorial Day | South Carolina (Public Holidays) |
| May-10 | Friday | Day of recognition for early childhood and day-care providers and professionals | Virginia (Special Days) |
| May-10 | Friday | Family Respect Day | South Carolina (Special Days) |
| May-10 | Friday | Friendship Day | Rhode Island (Special Days) |
| May-10 | Friday | Native American Day | Wyoming (Special Days) |
| May-11 | Saturday | Vietnam Human Rights Day | Virginia (Special Days) |
| May-12 | Sunday | Fibromyalgia Awareness Day | South Carolina (Special Days) |
| May-12 | Sunday | Mother's Day | South Carolina, Virginia (Special Days) |
| May-15 | Wednesday | National Police Memorial Day | Rhode Island (Special Days) |
| May-15 | Wednesday | Viet Nam Veterans' Day | Rhode Island (Special Days) |
| May-18 | Saturday | Armed Forces Day | Oregon, Virginia (Special Days) |
| May-19 | Sunday | Rhode Island Blue Star Parents Day | Rhode Island (Special Days) |
| May-24 | Friday | Lung Cancer Awareness Day | Texas (Special Days) |
| May-27 | Monday | Memorial Day | US Banks (Bank Holidays) |
| May-27 | Monday | Memorial Day | Federal (Federal Holidays) |
| May-27 | Monday | Memorial Day | Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, New York Stock Exchange, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, United States Postal Service, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming (Public Holidays) |
| May-27 | Monday | Memorial Day | Virginia (Special Days) |