Seems that  Captain John Theodore Boyd has a g-g-g-grandson who was 10 in 2002, making him about 16 now. Surely he or his father would know more about Kirby Cosmo Boyd!? On the afternoon of April 14, during the launch of Brenda Niall’s book, The Boyds, at the National Trust property, Glenfern, in East St Kilda, there was what Niall calls ”one great...

The Boyd dynasty — mentions tons of Australian Boyds including Captain John Boyd, but that’s about it. http://en.wikipedia.org/wiki/Boyd_Family