Is My Capitalized in a Title?

When using title case, should you capitalize my in titles or headings? In title case, “major words” are capitalized, and “minor words” are not. So, is my a major or a minor word? This depends on its word class, also called part of speech. Interestingly, there is some disagreement about what part of speech my is. Some classify it as (possessive) adjective, others as possessive determiner, and yet others as possessive pronoun.

However, this difference in opinion has no impact on the outcome. Only articles, prepositions, and conjunctions are considered to be minor words, and since my is clearly neither of these, it must be capitalized in titles according to every title case style. The following examples illustrate this:

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