These two love birds must have been at a Christmas party because I spy a candy pin on her dress.
The young man has a Clark Gable-like haircut that was typical of that era with a side part and combed up and over bangs. The sides are short and hair products provide a slicked back wet look. He is wearing a tweed suit with white shirt and plaid necktie. Folks generally dressed up semi formal for parties and occasions.
The young lady has short hair that is pulled back on the sides. The top is curly all over and she most likely had naturally curly locks.
The year was 1948 which was a time when people could focus on family and take time to relax to have a little fun. The children of this WWII generation are known as the baby boomers.