This is probably a wedding picture for the Beechers based on the dress, but not known for certain. This photo, along with several others in a group, is for sale on eBay for a few more days. Luckily there is some great documentation on this couple online.
They are Emanuel Beecher and Lulu Hughes. Emanuel was born in Pennsylvania in 1871 to Elizabeth Site and William Beecher (according to his death record). He married Lulu around 1889, lived most of his life in Philadelphia working as a printer. He died young, at the age of 40 in 1911. He was buried in Pottstown, PA.
Lulu was born in 1871/72 in Washington D. C., where one of her parents was from, it’s not clear which one. Her mother was Jennie Hughes, her father unknown. After Emanuel’s death Lulu worked as a housekeeper to support her children. But she does not appear in a later census and likely died before 1930.
It should be easy to find out more about this couple; the evidence is plenty. This photo will hopefully be framed in a relatives home soon.