My daughter turned 19 on Jan. 2nd of 2016 . She was not a full time student, but did live with us for 7 months of the year, and we paid the majority of her expenses. She earned less than $3,000 and did file her own taxes.
Because she was not a full time student she doesn't appear to be a qualifying child. You may be able to consider her a qualifying relative dependent if you meet the requirements below:
For more information, see the IRS dependent rules in the article below:
<a rel="nofollow" target="_blank" href="https://www.irs.gov/publications/p501/ar02.html#en_US_2016_publink1000220957">https://www.irs.gov/publications/p501/ar02.html#en_US_2016_publink1000220957</a>