Modern Orthodox can be a meaningful search term and still be too broad to predict a shared household. Dating for marriage benefits from early, respectful specificity about observance, community, education, work, family, and geography.
Make the ordinary week visible
Compare Shabbat and kashrut practice, synagogue and community expectations, work boundaries, children’s education, family proximity, and the practical cost of the life each person imagines. Ask how choices are made when work, family, and observance pull in different directions.
Name authority and choice
Religious guidance can matter without replacing either adult’s consent. Clarify which questions invite rabbinic input and which decisions remain with the couple.
Geography is consequential
Community infrastructure can make a move materially different from a generic relocation. Discuss what is available in the actual Metro, what travel is workable, and whether either person can move.
Statistics Canada explains that census religion is self-reported and includes more detailed responses. That makes it useful context, not a compatibility test or religious ruling.