Total babies named Heartlynn (all years): 56
| Year | Girls (count / rank / %) |
|---|---|
| 2024 | 10 / #9786 / 0.001% |
| 2023 | 11 / #9219 / 0.001% |
| 2022 | 9 / #10682 / 0.001% |
| 2021 | 5 / #16130 / 0.000% |
| 2019 | 6 / #14439 / 0.000% |
| 2018 | 5 / #16568 / 0.000% |
| 2013 | 5 / #17541 / 0.000% |
| 2012 | 5 / #17836 / 0.000% |