This is a very charming photograph taken in the 1940's of a father, young son, and baby daughter.
They are dressed in their Sunday best as they pose for a shot in the yard. A white picket fence, bare winter-like trees, and simple houses serve as the backdrop. The dad is crouched down and holding the baby up as she stands there with her dress and bonnet. Brother is probably about six years old and is showing off a sweet little smirk.
Both men and boy have slicked back hair which is quite typical for this time period. A side part was common as well. The sides are cut short to expose the ears and this was considered to be masculine. The little guy is wearing a light colored double breasted suit and the older male is wearing a dark one.
I love this photo and it is from the early 40's. I used iPhone apps to edit it and add a touch of color.