Doolittle Family

I am looking for information on my great great grandfather and grandmother. My great great grandmothers name was Beulah Doolittle, i would like to know her birth date and death date and where she and my grandfather are baired, my great grandfather's name was Marshall Homer Doolittle he was born in 1896 he married Katie Augusta Stobbs Doolittle they had one son Cecil Homer Doolittle born 1916 he had two children Judith Ann Doolittle and Cecil Doolittle.my mother is Judith Doolittle. i would like as much info as possible.