[Dickson, Rod (transcribed & compiled), 1996, Ships Registered in Western Australia From 1856 to 1969, published by Maritime Heritage Association (Western Australia), http://www.maritimeheritage.org.au/documents/Shipping%20Register.pdf]

...

ELLERY, Elizabeth M, of Cossack, Married Woman.

FLY.

ELLERY, James, of Cossack, Pearler.

WILLIE.

ELLERY, Robert, of Cossack, Pearler.

ZEBRA, DOROTHY.

...