The "Marriage Equality for Disabled Adults Act" aims to eliminate marriage penalties for Disabled Adult Children (DACs) by allowing them to retain critical federal benefits after marriage. It amends the Social Security Act to remove the requirement that DACs be unmarried to receive child's insurance benefits based on disability , ensuring these benefits continue post-marriage. The bill also standardizes the determination of marital relationships across various Social Security programs, updating gendered language. A significant provision prevents the income and resources of a spouse from being deemed to a DAC when determining eligibility for Supplemental Security Income (SSI) benefits, thereby protecting their financial support. Additionally, the legislation ensures that DACs who would qualify for Medicaid if unmarried will retain their eligibility for medical assistance after marriage, especially in states with specific eligibility rules. This comprehensive approach seeks to secure the rights and dignity of marriage for DACs by maintaining their access to essential benefits.