An uncommon Scottish pick — distinctive and rare.
A surname.
Rennie is a girl's and boy's baby name of Scottish origin, a diminutive surname form of Reynald or Reginald — meaning 'wise ruler' from Old Norse elements. Used as a given name, it has the friendly, approachable quality of Scottish diminutives.
Rennie sits alongside Bonnie, Connie, and Jennie in the family of -ie ending names that feel warm and immediately familiar. Its Scottish surname roots give it a subtle historical grounding behind its cheerful, easy exterior.
Rennie has 86+ years of history in the U.S., first appearing in 1885.
| Decade | Births | Trend |
|---|---|---|
| 2020s | 5 | — |
| 2010s | 5 | ▼ |
| 2000s | 28 | ▼ |
| 1990s | 52 | ▼ |
| 1980s | 80 | ▼ |
| 1970s | 116 | ▼ |
| 1960s | 192 | — |
| 1950s | 201 | ▲ |
| 1940s | 139 | ▲ |
| 1930s | 74 | ▲ |
| 1920s | 72 | ▲ |
| 1910s | 30 | ▲ |
| 1880s | 5 | — |
| Year | Births | Rank |
|---|---|---|
| 2021 | 5 | #13650 |
| 2017 | 5 | #13813 |
| 2007 | 7 | #10636 |
| 2004 | 5 | #12813 |
| 2003 | 9 | #7700 |
| 2002 | 7 | #9176 |
| 1998 | 7 | #8262 |
| 1996 | 6 | #8776 |
| 1995 | 7 | #7621 |
| 1993 | 5 | #9855 |
| 1992 | 8 | #6565 |
| 1991 | 12 | #4702 |
| 1990 | 7 | #7005 |
| 1989 | 5 | #8950 |
| 1988 | 5 | #8243 |
| 1987 | 9 | #4877 |
| 1986 | 5 | #7580 |
| 1985 | 9 | #4611 |
| 1984 | 12 | #3634 |
| 1983 | 7 | #5352 |
Source: U.S. Social Security Administration. Showing years with 5+ recorded births.
Rennie is a true unisex name. As a girl's name, it has 927 recorded births since 1880.
Last updated May 2026 · Data: U.S. Social Security Administration (1885–2021) · Methodology