Sentence:  Mary's mother - if that was her picture - may have been a <WSD>wastrel</WSD> in her spare time (she had thirteen children by a minister of the church), but if so her gay and dissipated life had left too few traces of its pleasures on her face. 
Meaning of the word marked with <WSD> tags:  One who is profligate, who wastes time or resources extravagantly.