Hey Paul! I'm going to respectfully disagree. You are looking at the index...the index is wrong. Look at the actual image (you may have to load a viewer) by clicking on the arrows. If all else fails, let me know and I will forward to you.
When you look at the actual image, the Birthplace box is typed in with "Mellin Gar, Ireland". The Mother's maiden name is listed as "Unknown." That's pretty clear to me.
Certainly the Moses Hutchinson you found could be related. Also possible he isn't. Could be his uncle. Or grandfather. Or anything. My best advice is to not jump ahead of yourself. That's when colossal mistakes happen. Your best bet is to look at the naturalization papers. I'm not sure if the naturalization papers are at the Bexar County District Clerk's office or the Federal District Court Clerk's office in San Antonio. A week isn't much time, but maybe you can charm them? Or check with Random Acts of Genealogical Kindness (www.raogk.com) and see if there's somebody in San Antonio that could help you.