Old Fort Utah was an adobe-walled refuge against Apaches built by the Lehi Pioneers on March 6, 1877, the first Mormon colonists in central or southern Ariz. Those associated with it included Daniel W. Jones, Harriet E. Jones, Daniel P., Wiley C., Edwin W., Eleanor A., Wesley L., Byron, Elvina, Lorenzo E., Frank C., Almina E., John D. Brady, Philemon C. Merrill, Cyrena Merrill, Melissa J., David E., Lot S., Morgan H., Peter H., Thomas S. Merrill, Ester A. Merrill, Thomas S. Jr., Seth A. Merrill, Lucy Ann Merrill, Henry C. Rogers, Emma Rogers, Henry C., Charles R., Anna K., Joseph H., David J., George S., Martha, Willis, Isaac H., Thomas Biggs, Syrina Biggs, Thomas P., Jonathan G., Mary E., Angelina, Joseph McRae, Maria McRae, Joseph A., John K., George E., Annie M., Mary J., Dudley J. Merrill, Ellen Merrill, Orren D., Mary E., Rialdo L., Orlando, Salena R., Cora, Issac Turley, Sarah Turley, Theodore W., William H., Alma, Joseph, Hyrum, Ross R. Rogers, Cynthiann E. Rogers, George A., Theodosia, Ross R. Jr., Annie, Mary, Amelia, Zenobia, Gleason, Preston, Collins, George E. Steele, Syrina Steele, George E. Jr., Samuel C., Attelia, Thomas, Austin O. Williams, and Austin O. Jr.