The baptism records for the RC parish of Avoca go back to 1792, marriages to 1778 - so it may be possible to work back another generation for your Earl family if they originated in the same area.
The details are available on microfilm in the National Library in Dublin on microfilms Pos. 6476 and 6477 Transcripts for the parish are also available on the pay-website of the Irish Family History Foundation at
www.rootsireland.ieYou could check Civil records to see if there is any sign of a death of James or Anne, but these only cover deaths from 1864.
The only Earls household listed on Griffith's Valuation in Co. Wicklow is a Margaret Earls in the village of Redcross. This record is dated 1854. See :
Earls, Co. WicklowDoes the marriage record mention a residence for the family - or does it just state Avoca Parish ?
Redcross town is in RC Avoca parish
Shane