Kielan is a very rare variant of Killian that peaked in 2007 and has since faded.
Kielan is a boy name. It last appears in U.S. records in 2021. Kielan was first reported in SSA data in 1989 and peaked in 2007 (11 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2021 | 6 | 6 | #11,517 |
| 2020 | 5 | 5 | #13,187 |
| 2019 | 6 | 6 | #11,528 |
| 2014 | 6 | 6 | #11,493 |
| 2013 | 5 | 5 | #13,181 |
| 2012 | 7 | 7 | #10,307 |
| 2011 | 5 | 5 | #13,441 |
| 2010 | 8 | 8 | #9,283 |
| 2009 | 5 | 5 | #13,574 |
| 2008 | 5 | 5 | #13,674 |
| 2007 | 11 | 11 | #7,380 |
| 2006 | 9 | 9 | #8,428 |
| 2000 | 5 | 5 | #11,385 |
| 1999 | 5 | 5 | #10,858 |
| 1995 | 5 | — | #9,654 |
| 1994 | 5 | — | #9,615 |
| 1993 | 6 | — | #8,198 |
| 1989 | 6 | — | #7,474 |