老美家庭主男現在有的改用太太的姓，小中女嫁人，如果男的居家，也可以讓男的改姓

A Stay-at-Home Dad With a Female Breadwinner Wife Took Her Last Name - Business Insider

• William Harrington became a stay-at-home dad to support his wife, Heather's, career growth.
• Heather's career in digital management outpaced childcare costs, which prompted the decision.
• When they married in 2022, William took her last name. He now helps her with her company.