Marine you didnt follow up Rathmore's advice re Ros Davies Co Down website read my last paragraph
re Elizabeth McGlade which sounds similar to what i had offered. there are always further items to be found by hard work.
Butterfield history
A selection from
https://www.nidirect.gov.uk/information-and-services/search-archives-online/will-calendars , do please examine all on the website.
The Will of Henry Butterfield late of Bavan County Down Farmer who died 29 January 1885 at same place was proved at Belfast by James Humphreys of Bavan Farmer the sole Executor. The will was made 1882 he owned property in Co Monaghan
names grandsons Patrick and John James Butterfield
The Will of John James Butterfield late of Newry County Armagh Agent who died 3 March 1888 at the Hospice for the Dying Harold's Cross County Dublin was proved at Armagh by Edward A. Byrne of Water-street Newry County Down Merchant one of the Executors.
Letters of Administration of the personal estate of Henry Butterfield late of Newry County Armagh Spirit Dealer deceased who died 10 May 1872 at same place were granted at Armagh to Catherine Butterfield of Newry aforesaid the Widow of said deceased.
Administration of the estate of Catherine Butterfield late of Newry County Down who died 14 August 1904 granted at Belfast to Patrick Butterfield Labourer the Husband
Butterfield Mary of Aughnagon Mayobridge Newry county Down died 26 October 1958 Administration Belfast 9 March to John Butterfield farmer the husband. Effects £177 12s. 3d.
Public Record Office for Northern Ireland has.many more worthwhile searchs possible
McGlade possibilities
none in tithes Co Down
plenty in Co Armagh
McGlade, Daniel Townland: Clarkhill Year: 1828 Forkhill Armagh
McGlade, Edward Townland: Clarkhill Year: 1828 Forkhill Armagh
McGlade, Francis Townland: Aghdanore Year: 1828 Forkhill Armagh
McGlade, Francis, Jr. Townland: Clarkhill Year: 1828 Forkhill Armagh
McGlade, Francis, Sr. Townland: Clarkhill Year: 1828 Forkhill Armagh
McGlade, Laurence Townland: Aghdanore Year: 1828 Forkhill Armagh
McGlade, Michael Townland: Levellamore Year: 1828 Forkhill Armagh
McGlade, Michael, Jr. Townland: Clarkhill Year: 1828 Forkhill Armagh
McGlade, Michael, Sr. Townland: Clarkhill Year: 1828 Forkhill Armagh
McGlade, Miles Townland: Clarkhill Year: 1828 Forkhill Armagh
McGlade, Owen Townland: Aghdanore Year: 1828 Forkhill Armagh
McGlade, Owen Townland: Levellamore Year: 1828 Forkhill Armagh
McGlade, Patt. Townland: Aghdanore Year: 1828 Forkhill Armagh
McGlade, Patt. Townland: Clarkhill Year: 1828 Forkhill Armagh
McGlade, Patt., Jr. Townland: Clarkhill Year: 1828 Forkhill Armagh
McGlade, Patt., Sr. Townland: Clarkhill Year: 1828 Forkhill Armagh
McGlade, Widow Townland: Ballykeel Year: 1828 Forkhill Armagh
McGlade, Hugh Townland: Mullabawn Year: 1834 Kilclooney Armagh
McGlade, Felix Townland: Sturgan Year: 1835 Killevy Armagh
McGlade, James Townland: Bellard Year: 1835 Killevy Armagh
McGlade, John Townland: Sturgan Year: 1835 Killevy Armagh
McGlade, Michael Townland: Sturgan Year: 1835 Killevy Armagh
McGlade, Muckian Townland: Sturgan Year: 1835 Killevy Armagh
McGlade, Owen Townland: Ahamakean Year: 1835 Killevy Armagh
McGlade, Pat. Townland: Sturgan Year: 1835 Killevy Armagh
McGlade, Thomas Townland: Carrickologhan Year: 1835 Killevy Armagh
McGlade, Felix Townland: Sturgan Year: 1835 Killyman Armagh
McGlade, James Townland: Bellard Year: 1835 Killyman Armagh
McGlade, John Townland: Sturgan Year: 1835 Killyman Armagh
McGlade, Michael Townland: Sturgan Year: 1835 Killyman Armagh
McGlade, Muckian Townland: Sturgan Year: 1835 Killyman Armagh
McGlade, Owen Townland: Ahamakean Year: 1835 Killyman Armagh
McGlade, Pat. Townland: Sturgan Year: 1835 Killyman Armagh
McGlade, Thomas Townland: Carrickologhan Year: 1835 Killyman Armagh
McGlade, Hugh Townland : Mullabawn Year: 1834 Mullaghbrack Armagh
otherpossibilities include Co Monaghan no none at
http://titheapplotmentbooks.nationalarchives.ie/search and Co Down via Ros davies
Miss Elizabeth McGLADE. Clonallan wife of Henry Butterfield ; mother of Alice bpt. 25 Dec 1826 & Rose Anne bpt. 5 Jun 1832 & Thomas bpt. 8 Jul 1833 & Michael bpt. 13 Aug 1834 & Thomas bpt. 5 Dec 1837 at a Clonallan Catholic Church PR
Miss Bridget McGLADE Clonallan wife of Patrick McConvill ; mother of John bpt. 26 Jul 1832 & Mary bpt. 28 Jun 1835 & Catherine bpt. 12 Mar 1837 & Joseph bpt. 4 Feb 1840 at a Clonallan Catholic Church PR
Henry McGLADE . Clonallan husband of Elizabeth ....; mother of Charles bpt. 8 Sep 1829 at a Clonallan Catholic Church PR
good luck onwards