LPD, Did not find a "Frank Powell,b 1872." This is what I did find;
1910 Orleans Parish Louisiana,N.O. City. April 25-Living on Coliseum Street. Frank Broker 39,b.LA, owns grocery store Elizabeth Broker 34,LA Charolette 7,La **Frank Powell 15,Step Son,b.1895,LA(may NOT be yours). Frank and Elizabeth say they have been married 10 years.
1930 Orleans Parish,Louisiana,N.O. City April 2,1930 Frank Broker 57,La-La-La, Clerk in district court. Elizabeth 54,La Charlotte E. Hughes 27,daughter,La Richard F.Hughes 27, son in law,La-usa-usa. Cannot tell if this is your famly or not, here's hoping, alice Richard Hughes Jr.6,grandson La Elbert S.Sarrve??-Saruve??(cannot read surname) he is 16,utility clerk, bank,La.grandson. Arthur A.18, same surname, public typist La. grandson.
Frank says he was 27 at first marriage Elizabeth says she was 15 at first marriage.(to Powell???)
I could not find a thing on the Margaret Connell, if I had a birth date for her, I may could find her. Census are always a mystery, dates and names change in almost all of them.