Frank and Mary Emerys daughters

Photo is labeled Frank Emery's little girls: Pearl 7, Ruby 5 and Ruth. Frank P Emery b 25 Jul 1875 and wife, Mary Ellen Ask Mary Askelson b 24 Jun 1875 Cresco IA had four daughters, Pearl 3 Jan 1898, Ruby Jul 1899, Nora and Jesse. Not explanation for name Ruth. Frank P Emery was son of Omri Willey Reid Emery b 30 Sep 1830 Ashtabula Co OH and Martha McIntire b 31 Jan 1837 NY. Omri was son of Dr George Reid Emery and first wife, Candace Willey.