Care.com
and ditto, npnparents is great

Chicago nanny here. You can try npnparents.org ( $55 membership for a year). Viathevillage.com is good too, but mostly families looking to do nanny shares. It’s free.

Try Chicago nannies. http://www.chicagonanniesinc.com/. They require interviews and have placement fees. You can also look for nanny shares and post/read ads at NPN parents - https://www.npnparents.org/forums/index.php?app=forums&module=forums&controller=forums&id=5

Hello - does anyone know of a nanny listserve for Chicago? Or in the alternative, a place where Chicago parents can search for nannies who may be available to take care of a 3 year old (and also possibly a 1 year old)? Thanks in advance!