| Family Name |
Source of Relationship |
| Kaiser |
Related to me through multiple DNA matches. |
| Kavanagh |
Related to me by a Kavanagh marrying my 2nd cousin, 2x removed, Bridget McCabe. |
| Kearney |
Related through my 4th cousin Sheila (nee Moore) McCoy. |
| Keefe/O'Keefe |
My Keefe/O'Keefe family connections, including the family of my paternal grandmother, Gertrude A. O'Keefe. |
| Keelan |
A Keelan family of Co. Monaghan related through at least three DNA connections to me. |
| Keely |
Joseph and Catherine (nee Killoren) Keely's daughter, Catherine (nee Keely) Walsh, was a great-aunt of Samantha Walsh, who has a DNA match to me. |
| Keenan - Co. Louth |
Some Keenan families related to me through my Co. Louth McCabe family. |
| Keenan - Co. Monaghan |
Some Keenan families related to me through my Co. Monaghan Kernan family. |
| Kellett |
Related through the family of my DNA cousin Pedar Duffy. |
| Kelly |
Related through the family of my great aunt Mary (nee O'Brien) Murphy. |
| Kennedy |
Related through descendants with DNA matches to me and other members of my extended family. |
| Kenney |
There are currently three known Kenney families that have connections to me. |
| Kernan-1 |
My direct maternal line currently traced back to the Carrickmacross area of Co. Monaghan |
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| Kernan-2 |
A Kernan family related by marriage through my Geortler/Cannan Connections |
| Kerrigan/Corrigan |
Kerrigan/Corrigan family with a DNA connection to me. |
| Ketcherside |
Ketcherside family from Texas/Arizona with a daughter that married a McCabe. |
| Kierans |
Descendants of my great aunt Bridget (nee McCabe) Tierney, through her daughter, Bridget "Delia" Elizabeth (nee Tierney) Spillane. |
| Kiesling |
Related to me through several DNA connections. |
| Kossler |
"My" Kossler family is related through two sets of my Co. Louth, Ire. 3x great grandparents. |