Friday's Faces from the Past ~ Little Boy Lost to Time

(As part of the "Friday’s Faces from the Past" daily prompt suggested by Smadar Belkin Gerson of Past-Present-Future)

This little boy was in an old photo album of my paternal grandmother, along with many other photos from her family that I was able to identify. I didn't know my grandfather's side of the family as well, however I was able to identify a few of his family members in some of the photos, too.

But this photo has me stumped. My grandfather and his siblings were all born at the turn of the century and the decade following. He looks similar enough to Grandpa's brother in another photograph, that it could be my great-uncle.

The little boy on the left is my great-uncle, Lonnie, in this photo.  However, the similarities are generic in nature to me, and not conclusive.

If I can identify the cute little boy above as Uncle Lonnie, then mystery solved. 

If not, then who is this lone little boy in the photograph? 

I am saddened to say that my father and his parents have passed away, and I cannot ask them.  I have asked at family reunions (her side), but am not in touch with my grandfather's side to ask.

So, where do I go for help? What resources should I try? What do you do with old family photographs such as this?

If you can help with any of my questions, I would love to hear your comments!