I don’t know if you have tried Ros Davies Co Down website use Google
Daniel MURRAY Kilmegan a grocer in Castlewellan in 1846 POD
Very Rev. Canon Henry MURRAY . Kilmegan & Bright born 12 Oct 1874, Slievenisky, son of Patrick Murray & Margaret Lennon; ordained 1899; parish priest at Killough 1925- 1933 then St Mary's, Newcastle 1933-1955 Sheila DadsonMiss Jane MURRAY . Kilmegan b. 8 Jul 1876 at Clanvaraghan; daughter of Patrick Murray & Margaret Lennon; married Robert McManus in 1907; mother of Hugh b. 1908 & Jessie b. 1910 (married Hugh Fitzpatrick, of Kilcoo ) & Patrick b. 1912 (all b. Workington, Cumberland UK); d. 1948 Sheila
Another success will be at
www.familysearch.com for Murrays isvery hard work after 5000 entries it allows you to refine search to just Co Down, but Kilmegan is not a search success, others exist with patience. I spotted Clough several times
Hugh Murray
Birth: 02 AUG 1877 Sleivinighy, , Down, Ireland
Parents:
Father: Hugh Murray Family
Mother: Maria Murray Kelly
Daniel Murray
Birth: 29 JAN 1880 Castlewellon, , Down, Ireland
Parents:
Father: Henry Murray Family
Mother: Sarah Murray McAleenon
etc etc
Good luck on both sites, of course there are several more eg Ulster Historical Foundation etc. Jim