In 1829 the listing for John is at 30 Francis St.
There's no listing for the surname Hawkshaw in the 1813 edition, the closest names are Hawthorne, Hawksley & Hawkin. There's no street listing in these so there's no easy way to check Francis St.
The 1783 edition has one entry for the surname :
William Hawkshaw, wine merchant, 137 Abbey-street
(the two s are written as the old f / s symbol)
and two slightly more recent listings in case they are of interest :
Pettigrew & Oulton - 1834
30 Francis St, John Hawkshaw, woolen draper
95 Francis St, John Hawkshaw, corn factor & Inn keeper
49 Lwr Liffey St, Stephan Hawkshaw, prov. dealer
Pettigrew & Oulton - 1840
30 Francis St, John Hawkshaw, woolen draper
Shane