The IRS defines a dependent as a qualifying child under age 19 (or under 24 if a full-time student) or a qualifying relative who makes less than $4,300 a year (tax year 2021). • A qualifying dependent may have a job, but you must provide more than half of their annual support.
Therefore by my reading. She is not a dependent for 2021. since you only supported her for less than two month out of 12 months. but keep your records and her earnings for 2022; sadly (or happily) you may have two dependents in 2022.
