Following the Cromwellian conquest of Ireland he went into exile on the Continent and served in a force of Irish troops led by Richard in the French Army.
Following the Restoration, the regiment waited at Dunkirk alongside another Irish unit led by John Fitzgerald.
The penal laws against Catholics effectively barred them from serving in the restored Royal Irish Army.
Following the 1661 Marriage Treaty between England and Portugal, Charles acquired the Mediterranean enclave of Tangier.
[2] Farrell was involved in much of the early fighting with the surrounding Moorish forces, but later left and returned to Ireland.