Ernő Fáy was born 19 January 1852 in Malé Zlievce, Veľký Krtíš District, Banská Bystrica Region, Slovakia to Sándor Fáy (1811-1884) and Mária Csillom (1826-1885) and died 1931 Petőpuszta, Veľký Krtíš District, Banská Bystrica Region, Slovakia of unspecified causes. He married Ilona Horváth (c1860-c1925) .
Siblings
| Name | Birth | Death | Joined with |
| Emilia Fáy (1843-1886) | 1843 Lučenec, Lučenec District, Banská Bystrica Region, Slovakia | 31 August 1886 Petőpuszta, Veľký Krtíš District, Banská Bystrica Region, Slovakia | Gyula Glósz (c1835-c1870) Géza Prónay (c1840-c1905) |
| Eldora Fáy (1844-c1900) | 1844 Lučenec, Lučenec District, Banská Bystrica Region, Slovakia | 1900 | Boldiszar Komáromy (c1840-c1910) |
| Ferenc Fáy (c1848-c1910) | 1848 | 1910 | Maria Pénzes (c1855-c1920) |
| Name | Birth | Death | Joined with |
| Ernő Fáy (1852-1931) | 19 January 1852 Malé Zlievce, Veľký Krtíš District, Banská Bystrica Region, Slovakia | 1931 Petőpuszta, Veľký Krtíš District, Banská Bystrica Region, Slovakia | Ilona Horváth (c1860-c1925) |
| Ilona Fáy (1855-1893) | 1855 | 9 October 1893 Petőpuszta, Veľký Krtíš District, Banská Bystrica Region, Slovakia | |