A noncitizen woman automatically loses custody of her children if she divorces their citizen father. In 1855, birthright citizenship was extended to children with citizen fathers and noncitizen mothers. The majority of non-Muslims, however, are noncitizen immigrant workers from South Asia. Puerto Ricans came to be known as something in between&colon; "noncitizen nationals". Noncitizen SSI recipients are eligible for (and required to be covered under) Medicaid. In 1934, it was extended to children with citizen mothers and noncitizen fathers. An estimated 150,000 noncitizen residents are Shia. San Francisco allows noncitizen parents to vote in School Board elections.