Question: Sir Cyril Osborne served as Member of Parliament for a county constituency that was abolished in which year ?

Context paragraphs:
Wilton (UK Parliament constituency): Wilton was the name of a parliamentary borough in Wiltshire.  It was represented in the House of Commons of the Parliament of England from 1295 to 1707, then in the Parliament of Great Britain from 1707 to 1800 and finally in the House of Commons of the United Kingdom of the Parliament of the United Kingdom from 1801 to 1918.  It had two Members of Parliament (MPs) until 1832, but from 1832 to 1885 only one member, as a result of the Reform Act 1832.  In 1885 the borough was abolished, but the name of the constituency was then transferred to a new county constituency electing one Member from 1885 until 1918.

Ceredigion (UK Parliament constituency): Ceredigion, formerly "Cardiganshire", is a constituency represented in the House of Commons of the Parliament of the United Kingdom.  Created in 1536, the boundaries have remained unchanged for nearly five centuries.  From 1536 until 1885 there were two single-member constituencies, one being a county constituency (Cardiganshire) comprising the rural areas, and the other being a borough constituency (Cardigan District of Boroughs) comprising a number of separate towns; in 1885 the borough constituency was abolished, and its towns and electors incorporated into the county constituency.  The towns which comprised Cardigan Boroughs varied slightly over this long period, but primarily consisted of Cardigan, Aberystwyth, Lampeter and Adpar, the latter now a suburb of Newcastle Emlyn across the River Teifi, in Carmarthenshire.

Cyril Osborne: Sir Cyril Osborne (19 June 1898 – 31 August 1969) was a Justice of the Peace for Leicestershire, and a British Conservative politician who served as Member of Parliament (MP) for the Louth constituency in Lincolnshire from 1945 until his death.

Cirencester (UK Parliament constituency): Cirencester was a parliamentary constituency in Gloucestershire.  From 1571 until 1885, it was a parliamentary borough, which returned two Member of Parliament (MPs) to the House of Commons of the Parliament of the United Kingdom until 1868, and one member between 1868 and 1885.  In 1885 the borough was abolished but the name was transferred to the county constituency in which it stood; this constituency was abolished for the 1918 general election.

County Kilkenny (UK Parliament constituency): County Kilkenny parliamentary constituency was a former UK Parliament County constituency in County Kilkenny in Ireland.  The County constituency returned two Members of Parliament (MP) in the House of Commons of the United Kingdom of Great Britain and Ireland, from 1801 until 1885.

Louth, Lincolnshire (UK Parliament constituency): Louth was a county constituency in Lincolnshire which returned one Member of Parliament to the House of Commons of the Parliament of the United Kingdom from 1885 until it was abolished for the 1983 general election.

Frank I. Osborne: Francis "Frank" Irwin Osborne (1853–1920) was the Attorney General of North Carolina from 1893 to 1896.  Osborne was born in Charlotte, North Carolina and attended the University of Virginia before reading law for 2 years in the offices of Richmond Mumford Pearson, Chief Justice of the North Carolina Supreme Court.  Osborne was admitted to the North Carolina Bar in 1875.  At age 25, he was elected mayor of Charlotte, North Carolina and served in the office from 1879-1880.  He was elected Attorney General of North Carolina in 1893, but, defeated for reelection to the same office in 1896.  Osborne served a term as a state senator from Mecklenburg County, North Carolina in the North Carolina General Assembly from 1898-1899.  He served on 9 standing Senate Committees.  After 1899, Osborne resumed his legal practice at the law firm of Osborne, Maxwell & Kearn.  Though, himself, a Democrat, in 1901 Osborne defended both North Carolina Supreme Court Chief Justice David M. Furches and North Carolina Supreme Court Associate Justice Robert Martin Douglas during their impeachment hearings.  Osborne was of the opinion that the Republican judges’ impeachments were unwarranted and an attempted political purge.  Osborne’s brilliant speech before the North Carolina General Assembly in closing defense of the justices caused both to be acquitted.  As reward for his successful defense of the justices, Theodore Roosevelt in the same year appointed Osborne an associate justice of the United States Court of Private Land Claims.

Buckrose (UK Parliament constituency): Buckrose was a county constituency of the House of Commons of the Parliament of the United Kingdom.  It was a county constituency comprising the northern part of the East Riding of Yorkshire, represented by one Member of Parliament, and was created for the 1885 general election.

Francis Osborne (North Carolina politician): Francis “Frank” Osborne (1853-1920) was the Attorney General of North Carolina from 1893-1896.  Osborne was born in Charlotte, North Carolina and attended the University of Virginia before reading law for 2 years in the offices of Richmond Mumford Pearson, Chief Justice of the North Carolina Supreme Court.  Osborne was admitted to the North Carolina Bar in 1875.  At age 25, he was elected mayor of the city of Charlotte.  He was elected Attorney General of North Carolina in 1893, but, defeated for reelection to the same office in 1896.  Osborne served a term as a State Senator from Mecklenburg County, North Carolina in the North Carolina General Assembly from 1898-1899.  He served on 9 standing Senate Committees.  After 1899, Osborne resumed his legal practice at the law firm of Osborne, Maxwell & Kearn.  Though, himself, a Democrat, in 1901 Osborne defended both North Carolina Supreme Court Chief Justice David M. Furches and North Carolina Supreme Court Associate Justice Robert Martin Douglas during their impeachment hearings.  Osborne was of the opinion that the Republican judges’ impeachments were unwarranted and an attempted political purge.  Osborne’s brilliant speech before the North Carolina General Assembly in closing defense of the justices caused both to be acquitted.  As reward for his successful defense of the justices, Theodore Roosevelt upon assuming office as President of the United States appointed Osborne a United States District Judge.

Oxfordshire (UK Parliament constituency): Oxfordshire was a county constituency of the House of Commons of the Parliament of England then of the Parliament of Great Britain from 1707 to 1800 and of the Parliament of the United Kingdom from 1801 to 1885.  It was represented by two Members of Parliament.  In 1832 this was increased to three Members of Parliament.  The constituency was abolished in 1885, being split into three single member divisions.

Supporting paragraphs: Cyril Osborne Louth, Lincolnshire (UK Parliament constituency)
Answer: 1983