György Bánffy de Losoncz was born 1772 in Cluj-Napoca, Cluj County, Romania to György Bánffy de Losoncz (1739-1805) and Zsuzsanna Wesselényi de Hadad (1743-1800) and died 23 December 1832 Cluj-Napoca, Cluj County, Romania of unspecified causes. He married Katalin Naláczy de Nalácz (1776-1801) 1794 . He married Mária Bája de Borbátvíz (1786-1871) 1809 .
György Bánffy de Losoncz was főispán of Kolozs County
Children
| Name | Birth | Death | Joined with |
| Polyxena Bánffy de Losoncz (1799-1879) | 1799 | 1879 | Jakab Szalbek |
| Katalin Bánffy de Losoncz (1801-1890) | 11 September 1801 | 11 April 1890 | |
| Name | Birth | Death | Joined with |
| Jozefa Bánffy de Losoncz (1810-1841) | 31 October 1810 Deva, Hunedoara County, Romania | 20 October 1841 Vienna, Austria | Domokos Teleki de Szék (1810-1876) |
| Albert Bánffy de Losoncz (1818-1886) | 11 May 1818 Răscruci, Cluj County, Romania | 1 February 1886 Cluj-Napoca, Cluj County, Romania | Ágnes Esterházy de Galántha (1827-1899) |
| Emilia Bánffy de Losoncz (c1820-1843) | 1820 | 28 May 1843 | |
Siblings