Some states consider income earned from separate property, such as dividends on stock owned prior to marriage, to be separate income reported only by the owning spouse on his return. (turbotax.intuit.com)
You will receive dividends on the stock you buy with the dividends received, and over time your fund value will grow way above the average of an investor who does not do likewise. (wisestockbuyer.com)
Of course, if you later receive income from that property (such as dividends on stock) you must report that income. (fairmark.com)