A couple of observations:
It's probably worth mentioning that Christians capitalize the personal pronouns He
when referring to God, Jesus, etc.
The US Constitution capitalizes the personal pronoun We
. The style is ambiguous in the preamble, since "We" is the very first word. However, Article VII says [http://www.archives.gov/exhibits/cha...ranscript.html
done in Convention by the Unanimous Consent of the States present the Seventeenth Day of September in the Year of our Lord one thousand seven hundred and Eighty seven and of the Independance of the United States of America the Twelfth In witness whereof We have hereunto subscribed our Names,
(Note the spelling of "Independance", which is accurately transcribed, according to the high-resolution image scan. Although in that passage "We" is at the start of a line, "of" is at the start of the line immediately above it but is not capitalized. So, "We" is certainly capitalized, there.)
Actually, a lot of nouns and other words are capitalized in the US Constitution that we don't normally capitalize today. I don't know what the style is called, for that.