Joseph, your record in the CR is worse than that of the ’62 Mets. A ger is still required to honor his biological parents for two reasons:
1, It would be a chillul Hashem not to as gentiles honor their parents.
2. Gratitude for bringing him into the world.
Apushatayid, many Jews have a Jewish name for shul and a non-Jewish name for the office. At one time Julius was a common name for Jews, perhaps because Julius Caesar followed a very pro-Jewish policy. I do not know why Morris, Seymour, Rhoda, Arnold, Martin, etc. became popular among Jews. BTW, Harry S Truman did not have a middle name. He had two grandfathers named Anderson Shipp Truman and Solomon Young and his parents wanted to honor both (his mother’s brother was named Harrison but was known as Harry).