Question: When was the person that represents Louth and Horcastle in the House of Commons born?

Context paragraphs:
Louth by-election, 1969: The Louth by-election, 1969 was a by-election held on 4 December 1969 for the British House of Commons constituency of Louth in Lincolnshire.

Victoria Atkins: Victoria Mary Atkins (born 22 March 1976) is a British Conservative Party politician.  She has been the Member of Parliament (MP) for Louth and Horncastle since the May 2015 general election.

Louth by-election, 1921: The Louth by-election, 1921 was a by-election held on 22 September 1921 for the British House of Commons constituency of Louth in Lincolnshire.

Baron Bellew: Baron Bellew, of Barmeath in the County of Louth, is a title in the Peerage of Ireland.  It was created on 17 July 1848 for Sir Patrick Bellew, 7th Baronet, who had previously represented Louth in the House of Commons as a Whig and also served as Lord Lieutenant of County Louth.  His grandson, the third Baron, was also Lord Lieutenant of County Louth and sat in the House of Lords as an Irish Representative Peer from 1904 to 1911.  He was succeeded by his younger brother, the fourth Baron.  He was an Irish Representative Peer from 1914 to 1931.  In 1881 Lord Bellew assumed by Royal licence the additional surname of Bryan under the terms of the will of his maternal uncle Colonel George Bryan.  However, he is the only one of the Barons to have held this surname.  On his death the titles passed to his nephew, the fifth Baron, and then to his younger brother, the sixth Baron.  s of 2017 the titles are held by the latter's grandson, the eighth Baron, who succeeded in 2010.

County Louth (UK Parliament constituency): County Louth, otherwise known as Louth County or Louth, is a former parliamentary constituency in Ireland, which was represented in the House of Commons of the Parliament of the United Kingdom.  From 1801 to 1885 it returned two Members of Parliament (MPs), and one in 1918–1922.

Thomas Wintringham (Liberal politician): Thomas Wintringham (22 August 1867 – 8 August 1921) was a British Liberal Party politician.  He was elected as Member of Parliament (MP) for Louth in Lincolnshire at a by-election in June 1920, but died in office the following year, aged 53.  The resulting by-election in September 1921, Louth's second by-election in under 16 months, was won by his wife Margaret, who became the second woman to take a seat in the British House of Commons.

Louth by-election: Louth by-election may refer to one of three parliamentary by-elections held in the British House of Commons constituency of Louth in Lincolnshire:

Louth and Horncastle (UK Parliament constituency): Louth and Horncastle is a constituency in Lincolnshire represented in the House of Commons of the UK Parliament by Victoria Atkins, a Conservative.

Drumcar House: Drumcar House (later: St. Mary's Hospital; currently: Saint John of God Residence) is a manor house in the historical parish of Drumcar in the barony of Ardee, 1 mi northeast of Dunleer, County Louth, Leinster, Ireland.  The house was built in 1777.  It was home to the McClintock family from then to the 1940s, stemming from Alexander McClintock (1692–1775).  One of its best known owners was John McClintock (1770–1855), a magistrate for County Louth, and formerly Serjeant at Arms in the Irish House of Commons, who was known to be occupying the estate in 1805 and until his death.  The house was sold in about 1903 by the 2nd Baron Rathdonnell to his cousin, Frank McClintock (1853–1924), Rector of Drumcar and Dean of Armagh.

Louth by-election, 1920: The Louth by-election, 1920 was a parliamentary by-election for the British House of Commons constituency of Louth in Lincolnshire.  Voting was held on 3 June 1920.  The by-election took place 5 days after the Louth Flood of 29 May 1920 had claimed 23 lives.

Supporting paragraphs: Victoria Atkins Louth and Horncastle (UK Parliament constituency)
Answer: 22 March 1976