These may be a generation back from your chap:
See:
http://www.landedestates.ie/LandedEstates/jsp/family-show.jsp?id=2579Part of:
In November 1859, over 300 acres in the barony of East Carbery , the property of Thomas Waller Eyre Evans, were offered for sale in the Landed Estates Court. The petitioner to the sale was John D'Arcy Evans. Thomas D'Arcy Evans of Knockaderry owned 1,170 acres in county Cork and 875 acres in county Limerick in the 1870s. His younger brother John Darcy Evans of Clontarf, county Dublin owned 509 acres in county Cork. In the 1870s Thomas D'Arcy Evans and his wife Thomasina Eliza (Reeves of Belfort) held 427 acres in common with Mrs Margaret Leyne, Wilson Gun and Charles Evans of Limerick and his wife. This land in the baronies of Clanwilliam and Coshlea, county Limerick, was advertised for sale in February 1876 with lands in the town of Charleville and the demesne of Belfort.
Also: July 22 at St. Peter's Church, Dublin, John D'ARCY EVANS, Esq., son of the late James D'ARCY EVANS, of Knockaderry, county Limerick, to Maria, daughter of the late William WALLACE, Esq., M.D., of Great Denmark Street, Dublin.
From: New York City newspaper The Irish-American. 1857 Marriages
See also:
http://books.google.ie/books?id=C8fTAAAAMAAJ&pg=PA385&lpg=PA385&dq=John+D'Arcy+Evans+Dublin&source=bl&ots=W8G_rJoQs8&sig=iWaeYIiX7Ya-b9YY2h--FAV_-_o&hl=en&ei=8lXUTbGtD86XhQBurke's Peerage entry
No.191
Sacred | to the memory of | JOHN D'ARCY-EVANS | formerly of | Knockaderry House.
Co. Limerick | who died 12 Octr 1875 | and his wife | MARIANNE | who died 7
Septr 1890 | and sons | WILLIAM H. W. | who died 24 Novr 1888 | and | JAMES H.
W. | who died 24th June 1904 | and | JAMES D'ARCY-EVANS | died 1st July 1947,
aged 89 years
Mount Jerome Cemetery Dublin
Not the right dates,
but a few leads to follow.
PM
