He has hosted children's TV shows, written plays for the stage and for radio, published books of short stories and been a newspaper columnist.

Some of his books since 1998 have carried a note that they are protected by the "Bratislava Accord 1993, section 2 cre/009 manifest-minsk", the terms of which allegedly protect his book's content from being included in: In March 2022, the Museum of Literature Ireland (MoLI) hosted a video installation to mark the release of Ingoldsby's latest anthology, In Dublin They Really Tell You Things — Pat Ingoldsby, Selected Poems 1986 — 2021.

Topics of personal experiences vary from the death of his father, or the electroconvulsive therapy he received (c. 1988), to his appreciation of the natural world or his pets (mostly cats, but also some fish).

Observations of Dublin are mostly humorous conversations overheard on the bus, or the characters he sees and talks to while selling his books on the streets.

Ingoldsby also wrote some episodes of Wanderly Wagon Since Pat withdrew from the media spotlight before the blossoming of the Internet, it can be hard to find information about him and his work.