Hi,
Belfast No.3 was a district in the city of Belfast. It was in the area of Agnes St., Clifton Park Av.,DuncairnAv., Liffey St., Upper Meenan St.,Oldlodge Road (Lower)., Sancroft St., Shankill., Suir St., and Weir St. Other Streets were added in the 1900s.
Regards