from Thom's 1880 :
Halston St - from Mary's Lane to North King St
Civil Parish - St. Michan's
St. Michan's R. Catholic Church
(at the junction of of Ball's lane)
next to this is the Presbytery and among the clergy listed is Rev. James Roche C.C.
Mary's Lane is listed as running between Little Green St and Church St
slightly closer to Phibsborough than the CofI St. Michan's. You can see the areas in the 1880s on this map -
North Dublin - c1880 (some of the churches are highlighted)
Shane