| Helen Reilly | |
| Other Names: | Kieran Abbey |
| Birth Date: | April 25, 1891 |
| Birth Place: | New York City |
| Death Place: | Albuquerque, New Mexico |
| Education: | Hunter College |
| Occupation: | Mystery writer |
| Organizations: | Mystery Writers of America (president, 1953) |
| Parents: | James Michael Kieran |
| Spouse: | Paul Reilly (1914–1944) |
| Children: | 4, including Mary McMullen and Ursula Curtiss |
| Relatives: | John Kieran (brother) |
Helen Reilly (April 25, 1891 – January 11, 1962), was an American mystery writer known for a series of novels featuring Inspector Christopher McKee, head of the fictitious Manhattan Homicide Squad. She wrote mostly under her own name but also under the pseudonym Kieran Abbey.[1] A member of the Mystery Writers of America, she served as its president in 1953.[2]
Born Helen Kieran in New York City in 1891, she attended Hunter College, graduating in 1914.[2] In that same year, she married Paul Reilly, an artist.[1] Two of their four daughters, Ursula Curtiss and Mary McMullen, also became published mystery writers.[3]
Reilly died on January 11, 1962, in Albuquerque, New Mexico. She was preceded in death by her husband in 1944.[2]
As Kieran Abbey