A Holly Bush.
Might be a holly bush leaf but im not 100% sure :)
Holly Bush/ Ilex
The plant you are referring to is likely the holly plant. Holly is a traditional Christmas symbol due to its red berries and shiny, spiky leaves. It is often used in wreaths, decorations, and floral arrangements during the holiday season.
Strawberry Bush -Euonymus Americanis
Red berries and green leaves.
Elderberry Bush
The most likely red berries around Christmas are on holly plants (Ilex aquifolium).
A Qat or kat bush is a shrub that can grow up to 10 meters in height with dark green, glossy leaves. It produces small white flowers and red berries which contain the stimulant drug found in Qat leaves. The leaves are harvested for their stimulant properties and are commonly chewed for their effects.
Holly. Ilex family.
You might be referring to Pyracantha. They are large, thorny shrubs that have white flowers in May and June and are dotted with red, orange or yellow berries in autumn.
Arrowwood is a New York Bush whose berries are dark blue in color and oval in shape. The bush in question receives the scientific name Viburnum dentatum, which refers to the toothed edges of the fresh green-colored, oppositely arranged leaves whose fall colors please in orange, peach, pink, purple, red, and yellow hues. The berries will last well into winter and will serve to attract winter-foraging songbirds.