Tucson-Roscommon Sister Cities, Building Two Cultures, Building One Community.
Don Hugo O'Connor, an Irishman and member of the clan Clonolis in Castlerea, left Roscommon in 1750 and settled in Tubac to what is now modern-day Tucson, establishing the city's connection to Roscommon, Ireland.
"..is to cultivate and maintain a strong relationship between the cities of Tucson and Roscommon to encourage cultural understanding, community involvement, and economic development."
*Develop long-term lines of communication between Tucson and Roscommon, promoting cooperation on an international level.
*Provide opportunities for individual citizens to experience a wide range of cultural activities, both within their own communities and through international exchange.
*Support the development and strengthening of cultural, economic, and educational communities in both locations.
*Collaborate with organizations working on similar projects in order to enhance community visibility and strengthen program effectiveness.
Tucson is a city in and the county seat of Pima County, Arizona, United States. The 2010 United States Census puts the city's population at 520,116, while the 2011 estimated population of the entire Tucson metropolitan area was 989,569. Tucson is the second-largest populated city in Arizona behind Phoenix, which both anchor the Arizona Sun Corridor. The city is located 108 miles (172 km) southeast of Phoenix and 60 miles (98 km) north of the U.S.-Mexico border. Tucson is the 33rd largest city and the 52nd largest metropolitan area in the United States