Where have you checked so far?

You can see Ballyvaroge here: http://gplan.wexford.ie/wexford_gplan/

See two households of Staffords there on the 1901 census at http://www.leitrim-roscommon.com

See lots more on the 1911 census at http://www.census.nationalarchives.ie

One snippet from Templetown parish records
Eliana (?) Ballyvarrig, died Nov 1831

Staffords shown in the Griffith’s Valuation of 1853
Stafford Martin Ballyvaroge Fethard Wexford
Stafford John Ballyvaroge Fethard Wexford

The following Staffords are buried in Poulfur graveyard.
a) In/memory of/Thomas Stafford/Ballynabogue/died Sept 15th 1943 aged 24/also his uncle James/died Nov i'/ith 1958 aged 66/ Elizabeth Stafford/died Aug 19 1964 aged 72.

b) Erected by John Stafford of/Baliyvarig in memory of his/father Thomas Stafford who depd/this life Nov the 7th 1832 aged 65 yrs/also his mother Anne Stafford died/July the 8th 1847 aged 65 years/also his two sisters Anty Stafford died Feb 11 1829 aged 25 years/Margaret Stafford died Nov 9/1844 aged 28 years.

c) In/loving memory of/Thomas Stafford/Ballynabogue/died Feb 5th 1903 aged 57/Bridget Stafford/died Aug 31st 1931 aged 75.

Eileen (researching Staffords in Grange, Poulfur, Fethard)