We have four little babies, too!! A Red Star (Pineapple), a Barred Rock (Hattie), an Ameraucana (Penny),& a Silver Laced Wyandotte (Miss Marbles)!
See them here (on a thread where I was confused about my little Red...
To my knowledge there's no difinitive way to sex a baby Cuckoo Maran. Also, Roos aren't the end of the world, unless there's an ordinance against them in your city? I've had a couple that have actually been friendly & happy & quiet... reasonable pets to keep!