Alfred McLean was born 1871 in Dartford, Kent, England, United Kingdom to George McLean and Mary Unknown and died 1937 Dartford, Kent, England, United Kingdom of unspecified causes. He married Emma Afford 1892 in Dartford, Kent, England. He married Alice Ellen Reid (1895-) 1918 in Dartford, Kent, United Kingdom.
Children
| Name | Birth | Death | Joined with |
| Catherine McLean (1926) | 1926 Farnham, Surrey, England, United Kingdom | George Thomas Whittle (1902-1992) | |