Hi Phil, found some info for you. Working backwards......
Marriage:
27 Nov 1920 Belfast Roman Catholic
Bernard Downey age: full age
add: Hannahstown
rel: Roman Catholic
occ: labourer
father: James Downey occ: labourer
Elizabeth Kearney age: full age
add: Glen Road
rel: Roman Catholic
father: John Kearney occ: labourer
witnesses: Thomas Heoketh & Mary Kearney
1911 Ireland census: Hannahstown, Ballygomartin, co Antrim
James Downey age:49 head of house Roman Catholic born: Antrim occ: surfaceman married
Catherine Downey age:47 wife Roman Catholic born: Derry married 28 yrs 10 children,7 living
Patrick Downey age:25 son born: Antrim
Francis Downey age:20 son born: Antrim
Thomas James Downey age:23 son born: Antrim
Bernard Downey age:17 son born: Antrim
Sarah Ann Downey age:15 daughter born: Antrim
1901 Ireland census: Hannahstown,Ballygomartin, co Antrim
James Downey age:40 head of house
Catherine Downey age:41 wife
Sarah Ann Downey age:4 daughter
James Downey age:13 son
Bernard Downey age:6 son
John Downey age:7 son
George Downey age:10 son
Patrick Downey age:15 son
Robert Downey age:18 son
Francis Downey age:9 son
Marriage: (of Bernard's parents)
13 Sept 1882 Belfast Roman Catholic St Mary's
James Downey age: full age
add: Hannahstown
rel: Roman Catholic
occ: worker
father: Robert Downey occ: schoolmaster (dec.)
Catherine O'Neill age: full age
add: Belfast & Hannahstown
rel: Roman Catholic
occ: millworker
father: Thomas O'Neill occ: labourer (dec.)
witnesses: John Joseph Cowan & Catherine Curly
children to James Downey & Catherine O'Neill:
Robert born:18 Feb 1883 bap:9 March 1883 Urban 4 civil, Belfast
Thomas James born:25 Aug 1884 bap: 11 Aug 1884 (think dates mistranscribed)
Patrick Joseph bap: 10 March 1886 Hannahstown
Thomas James bap: 13 June 1887
Mary Ann bap: 12 Oct 1888
George bap: 22 Nov 1889
Francis bap: 5 April 1891
Bernard bap: 5 Aug 1894
Sarah Anne bap: 26 Jan 1896
** I could not locate the birth or baptism for children John nor James
** could not locate the marriage of James Downey parents Robert Downey & Ellen Burns/Byrnes
children to Robert Downey & Ellen Burns/Byrnes:
James Patrick bap: 2 Feb 1854 Dromore, co Down Roman Catholic
Robert bap: 29 March 1857
Hugh bap: 8 July 1859
Thomas bap: 23 Feb 1863
Hugh bap: 25 July 1864
Marriage: (of Elizabeth Kearney's parents)
25 January 1894 Belfast
John Kearney age: full age
add: Hannahstown
rel: Roman Catholic
occ: labourer
father: Andrew Kearney occ: labourer
Anne Adams age: full age
add: Hannahstown
rel: Roman Catholic
father: Hugh Adams occ: labourer
children to John Andrew Kearney & Anne Adams:
Hugh Adam Kearney bap: 6 Jan 1895
Elizabeth Kearney bap: 19 Aug 1900
Birth:
John Kearney
bap: 12 Nov 1871 Hannahstown
father: Andrew Kearney
mother: Mary Kane
Anne Maria Adams
bap: 2 Feb 1872 Hannahstown
father: Hugh Adams
mother: Catherine Hamill
Hope this helps, Kim