1901 Ireland Census has this family.
http://www.census.nationalarchives.ie/reels/nai000400901/http://www.census.nationalarchives.ie/pages/1901/Armagh/Montiaghs/Derrytrasna/1027508/Metcalf Mary Anne 65 Female Head of Family Presbyterian
Metcalf Richard 30 Male Son Presbyterian
Dilworth Margaret Jane 38 Female Daughter Presbyterian
Metcalf Mary Eleanor 12 Female Grand Daughter PresbyterianDilworth Wm Joseph 9 Male Grand Son Presbyterian
Dilworth Sarah Ellen 7 Female Grand Daughter Presbyterian
Dilworth Richd John 5 Male Grand Son Presbyterian
Dilworth James Samuel 3 Male Grand Son Presbyterian
Dilworth Mary A Mecalf 11 months Female Grand Daughter Presbyterian
I have the birth of son Richard Medcalf 1866
Daughter Margaret Jane Dilworth nee Metcalf is likely born prior to 1864
She married William Dilworth 1890, He died 1900.
I have the births for the listed children of Margaret Jane Dilworth nee Metcalf.
most if not all records from SR District/Reg Area Lurgan
Mick