This tune is also known as Poor Old Man and An Sean Bean Bhocht. Some of the versions of this reel, such as those in the second link below, are different to the point of becoming a distinct tune. There is also a musically unrelated hornpipe named Poor Old Woman.
Ref: https://tunearch.org/wiki/Annotation:Poor_Old_Woman_(1)
Ref: https://thesession.org/tunes/8825
: | Am | EmG | Am | Am | |
Am | EmG | AmG | Am | : | |
: | C | Am | C | EmG | |
Am | G | AmG | Am | : |