This most likely would have been more helpful earlier in the month...sorry.
Oct 1 - St. Theresa of Lisieux (the Little Flower)
Oct 4 - St. Francis of Assisi
Oct 5 - St. Faustina Kowalska
Oct 7 - Our Lady of the Holy Rosary
Oct 15 - St. Theresa of Avila
Oct 17 - St. Margret Mary Alacoque
Oct 18 - St. Luke, the Apsotle
Oct 22 - St. Pope John Paul II
Of course there is a feast day ( more then one) per day, I just listed "the big ones" that more people are likely to know.