He was largely raised abroad and did go to an Islamic based school for at least two years, despite what some in the media falsely claim as not true.
His dad was Muslim, his mom atheist. He lived in Islamic nations like Indonesia, by his mothers choice; she more or less loathed the US.
To assume his name has any connection with the Judea-Christian heritage is plain nonsense, but it “feels good.” And those who vote for an Obama are all about what “feels good” to them, not reality.