Your elusive Margaret HESLIN's parents were probably John HESLIN and Mary KELLY both from Ireland.
Here is how I solved this: Given:Margaret HESLIN b. 1922 Search: 1930 US Census -Brooklyn, NY Found: 2 Margaret HESLINs born about 1922
Given: Margaret's mother born in Ireland Search: 1930 US Census Found: Only one of the HESLINs mother born in Irish Free State
Given: Margaret's mother sailed on Titanic Apr.1912 Search: 1930 US Census Found: Only one of the HESLINs mother arrived in 1912
Given: As per 1930 US Census, Margaret's mother (age 38 on census) married at age 22. Found:That would make the marriage year 1914.
Given: The marriage year 1914 Search: the NY City Marriage Database for a John HESLIN marrying someone by the name of Mary.... Found: His bride's name is Mary KELLY Feb 22, 1914 Cert. #5295 Manhattan
Given: Bride's name and the fact she allegedly sailed on the Titanic in 1912 Search: Titanic survivor database Found: Miss Mary Kelly age 22 3rd Class Ticket#14312 cost 7pds 15shillings boarded: Queenstown (presently Cobh, Ireland) Mary Kelly would have been born in 1892.
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