Oh Sarah, you're doing it right, getting your queries out there. Just remember you want to include Names, Dates and Locations. Date for births especially important, even if it's just an approximate date, that helps to narrow the searches.
I don't know where you live, but if you can find a genealogical society near you, or a Family History Center, you should be able to get some help, maybe even find some classes.
Go the LDS site -- http://www.familysearch.orghttp://www.familysearch.org -- Look for Find a Family History Center, then find and click on Advance Search. You can enter country, state and county. Up will come a list of FHCs in your county, or near you.
Your local public library might know if there is a genealogical society in your area.