This cabinet card is an image of three siblings who are identified by their first name on the reverse of the card. The oldest child is Mildred Belle (age-4) and she has bows in her hair and is quite adorable. The middle child is Ivan Donald (age-1) and his hair style can best be described as chaotic. The youngest child is Marion Florence (age-4 months). The photographer was Archie Snow McKeen (1874-?) and his studio was in Phillips, Maine. Mckeen was a native of Phillips who as a photographer, moved locations several times. He had photographic studios in a number of Maine towns including Phillips, Rangely Lakes, Center Harbor, and Winnepesauke Lake. He also operated in both Beverly and Haverhill, Massachusetts. McKeen was a member of the Knights of Pythias and the Independent Order of Odd Fellows.
THE CABINET CARD GALLERY 
These appear to be the children of Frank and Mertie E. Davenport of Madrid, Franklin County, Maine. In the 1900 Census (taken June 2), Frank Davenport, age 26, is listed as a farmer. He and Mertie, age 21, rented their farmhouse. Both were native Mainers. They have three children listed:
Mildred B., age 4, born Nov 1895
Ivan D., age 1, born born Jun 1898
Marion F., age 9 mos., born Aug 1899
Marion’s birthdate places the date of the image at approx. December 1899.