BARRETT, Micheal [sic] John, businessman, politician. Born, County Cork, Ireland, March 1840. Immigrated to the United States about 1856 and settled in New Orleans, where he became a U. S. citizen, 1866.
Civil War record: private, Capt. James H. Low's Company G, First Regiment, Third Brigade, commanded by Col. J. M. Putman; enlisted March 5, 1862; captured near close of the war and remained a prisoner of the Union forces, being confined in Algiers at the Belleville Foundry and released at the end of the war.
Served as New Orleans State Tax Collector of the Fifth District under Gov. Francis T. Nicholls. Head officer of assistant recorder, city of New Orleans. Democratic representative from Algiers to Louisiana state conventions. Member: Catholic church; volunteer fireman; Algiers Branch of the Ancient Order of Hibernians; Washington Benevolent Association; the Catholic Knights of America, Branch No. 352.
Married, November 4, 1860, Johanna Kirby, of Limerick, Ireland; daughter of Daniel Kirby and Catharine Quinlan. Children: John Augustus (q.v.), Dennis M. (b. 1869), Johnanna Grace (b. 1871), Viola (b. 1874), Genevieve V. (b. 1875), Daniel John (b. 1877), Myra Catherine (b. 1879), May A. (b. 1882), Florence C. (b. 1885), Juanita B. (b. 1888).
Died, January 23, 1903, New Orleans; interred St. Patrick Cemetery I. C.M.B. 
↑ Sources: M. J. Barrett family records; National Archives, Veterans Records, Washington, D. C., No. 46712027; Succession No. 69795; marriage records from St. Theresa of Avila Catholic Church and New Orleans Vital Records; original tax collector and assistant recorder receipts; death certificate, Volume 129, p. 133, New Orleans Vital Records; obituary, New Orleans Daily Picayune, New Orleans Times-Democrat, New Orelans Daily States, and the Algiers Herald, January 24-25, 1903; Louisiana census, 1860, 1870, 1880, 1900. From http://lahistory.org/site19.php
"Louisiana, Parish Marriages, 1837-1957," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QKJ8-VK75 : 15 October 2015), Michael John Barrett and Johanna Kirby, 03 Nov 1860; citing Orleans, Louisiana, United States, various parish courthouses, Louisiana; FHL microfilm 906,325.
"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MS5R-XF9 : accessed 22 June 2017), Micheal J Barrett, 5th Precinct New Orleans city Ward 15, Orleans, Louisiana, United States; citing enumeration district (ED) 139, sheet 1A, family 5, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,576.
"United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M87X-CLJ : 12 April 2016), John Barrett, Louisiana, United States; citing p. 93, family 916, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 552,024.
"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MDXH-Z7Z : 13 August 2016), John Barret, New Orleans, Orleans, Louisiana, United States; citing enumeration district ED 88, sheet 368C, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0464; FHL microfilm 1,254,464.
It may be possible to confirm family relationships with Michael by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Michael: