Following poetic devices have been used in the poem My Mother at Sixty Six.

1. Simile: it is the comparison of two things by using as or like. e.g. “her face ashen like that of a corpse”, “as a late winter’s moon”.
2. Metaphor: it is the direct comparison of two things without the use of as or like. e.g. “the merry children spilling”.
3. Personification: When we give human characteristics to animals or plants or non-living things. e.g. “trees sprinting”. 
4. Anaphora: It is the repetition of a word or phrase to create a poetic effect in a poem. e.g. the poet repeats these words, “smile and smile and smile”.
5. Alliteration: It is the repetition of the consonant sounds in a line of a poem. e.g. “my mother”, “that thought”, “I said was, see you soon”.

Read summary of this poem.