Thanks Geoff.
1930, 1939 & 1943 NSW Electoral Roll - North Sydney - Artarmon
McKELLAR George Sinclair, Mowbray road, Chatswood, solicitor
McKELLAR Harriet Joanna, Mowbray road, Chatswood, home duties
Mowbray road is the boundary of Chatswood and Artarmon. The land is actually on Stafford road, Artarmon but Mowbray road, Chatswood is a more 'up-market' address.
Dave