I (we )do have several trees in my/and neigbourhood of, garden Two of them are a Crataegus ( Dutch - Meidoorns) one white ,one pink.
They blooming in May/June Then the whole tree is coverd with flowers A big orgy of white or pink ( and Insects)
it`s one of my fav..trees. I prommist flowers so this has to be one of it