Cathy O'Toole - Ebby Halliday Realtor Share: Real Estate Agents Cathy O'Toole - Ebby Halliday Realtor Visit Website 7520 N. MacArthur Blvd., Ste 100 Irving, TX 75063 (214) 356-9769 (972) 969-4242 (fax) About Rep Info Map About With 70 years of success helping buyers & sellers throughout the Metroplex realize their dream of home-ownership. Whom to Contact Cathy O'Toole 7520 N. MacArthur Blvd., Ste 100 Irving, TX 75063 Phone: (214) 356-9769 What's Nearby? Distance: 5 10 15 20 25 50 mi.