Probably one of your "Dennison" relatives:
Surname(s)
Graveyard
Civil Parish
Graveyard Location
County
DENNISON
Donaghcloney CI
Donaghcloney
Magherana
Down
Gravestone Inscription
In memory of Robert Dennison of Islanderry, died 24th July 1853 aged 81 years.
Comment
[Donaghcloney, 124, with the above]
Surname(s)
Graveyard
Civil Parish
Graveyard Location
County
DENNISON, CORBETT
Dromara 1st Pres
Dromara
Ardtanagh
Down
Gravestone Inscription
Erected by Mary Jane Dennison, Ardtana, in memory of her beloved husband William Dennison who died 8th May 1874 aged 68 years Also her father John CORBETT who died 30th August 1857 aged 76 years Also her mother Mary Corbett who died 20th April 1850 aged 65 years Also their son Alexander Corbett died 7th May 1908 aged 84 years William John Corbett who died 18th July 1925 aged 65 years Also his wife Esther who died 31st May 1902 aged 44 years.
Surname(s)
Graveyard
Civil Parish
Graveyard Location
County
DENNISON
Garvaghy CI
Garvaghy
Fedany
Down
Gravestone Inscription
Erected by W J Dennison in loving memory of his mother Betty-Ann who died 3rd Dec 1898 Also his wife Jane who died 9th Sept 1920 Also the above named W J Dennison, died 22nd March 1930 aged 83 years Till He come.