Paul McCartney has said “Let It Be” grew from a dream in which his late mother, Mary, appeared to comfort him during a stressful period near the end of the Beatles, telling him that things would be all right if he simply “let it be.”songfacts+1
McCartney describes the song as inspired by a vivid dream where his mother, who died when he was a teenager, came to him “in times of trouble” and reassured him with the phrase “let it be,” which he then turned into the song’s central line.mattandjojang.wordpress+2
He has emphasized that the song is meant as a positive message of consolation and acceptance in the face of anxiety and change, particularly as the band was breaking up.americansongwriter+2
Many listeners hear “Mother Mary” as a reference to the Virgin Mary and read the song as quasi‑religious, a kind of prayer for guidance in an “hour of darkness.”wikipedia+2
McCartney has clarified that “Mother Mary” is literally his own mother, Mary, but he is aware of (and comfortable with) the double meaning and has said people are free to interpret the song spiritually if they wish.wordonfire+1
In everyday British English the phrase is close to “let it go”: stop struggling against what you cannot change, and allow events to unfold.reddit+1
In the song this becomes a gentle counsel toward acceptance: when there is no clear answer, peace can come from loosening one’s grip and trusting that “there will be an answer” in time.americansongwriter+2
Biographically, many critics see the song as McCartney talking himself through the end of the Beatles, trying to accept the loss of the band and the “broken‑hearted people” it leaves behind.wikipedia+1
The song’s open, almost hymn‑like language lets listeners map their own troubles onto it—grief, illness, war, personal crises—so it functions as a universal reassurance to keep going and to seek inner stillness rather than despair.shineyourjoy+2