Troi is a rare variant of Troy that peaked in 1997 and remains in steady use.
Troi is predominantly a girl name. In 2025 it ranked #10,053 among girls (10) and #4,525 among boys (23) — overall #7,551 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 33 | 33 | #10,053 | #4,525 |
| 2024 | 45 | 45 | #7,570 | #3,779 |
| 2023 | 37 | 37 | #6,148 | #5,646 |
| 2022 | 30 | 30 | #8,491 | #5,612 |
| 2021 | 25 | 25 | #6,666 | #10,710 |
| 2020 | 29 | 29 | #7,933 | #5,958 |
| 2019 | 22 | 22 | #8,104 | #9,662 |
| 2018 | 26 | 26 | #6,764 | #9,595 |
| 2017 | 21 | 21 | #8,263 | #10,682 |
| 2016 | 18 | 18 | #6,885 | — |
| 2015 | 13 | 13 | #8,906 | — |
| 2014 | 6 | 6 | #16,373 | — |
| 2013 | 21 | 21 | #7,723 | #13,913 |
| 2012 | 21 | 21 | #7,778 | #14,071 |
| 2011 | 25 | 25 | #7,093 | #10,696 |
| 2010 | 17 | 17 | #10,416 | #12,101 |
| 2009 | 21 | 21 | #6,531 | — |
| 2008 | 30 | 30 | #6,336 | #9,799 |
| 2007 | 21 | 21 | #8,979 | #10,822 |
| 2006 | 23 | 23 | #7,459 | #11,948 |
| 2005 | 21 | 21 | #7,875 | #11,360 |
| 2004 | 25 | 25 | #6,752 | #9,871 |
| 2003 | 25 | 25 | #6,041 | #12,634 |
| 2002 | 18 | 18 | #6,373 | — |
| 2001 | 26 | 26 | #4,677 | — |
| 2000 | 23 | 23 | #7,136 | #8,148 |
| 1999 | 30 | 30 | #3,961 | — |
| 1998 | 37 | 37 | #3,349 | — |
| 1997 | 45 | — | #3,033 | #10,713 |
| 1996 | 32 | — | #3,561 | — |
| 1995 | 36 | — | #3,215 | — |
| 1994 | 31 | — | #5,012 | #5,427 |
| 1993 | 39 | — | #3,045 | — |
| 1992 | 28 | — | #4,524 | #9,721 |
| 1991 | 17 | — | #5,653 | — |
| 1990 | 11 | — | #7,858 | — |
| 1989 | 18 | — | #6,940 | #7,851 |
| 1987 | 6 | — | #11,231 | — |
| 1986 | 6 | — | #10,841 | — |
| 1976 | 7 | — | — | #4,902 |
| 1973 | 7 | — | #7,398 | — |
| 1971 | 14 | — | #5,980 | #5,613 |
| 1970 | 12 | — | #7,945 | #4,695 |
| 1969 | 7 | — | #6,577 | — |
| 1968 | 6 | — | #6,960 | — |
| 1967 | 8 | — | #5,428 | — |
| 1966 | 7 | — | #5,780 | — |
| 1965 | 5 | — | #7,467 | — |
| 1964 | 7 | — | #5,976 | — |
| 1963 | 11 | — | #4,258 | — |
| 1962 | 12 | — | #4,000 | — |
| 1961 | 14 | — | #3,594 | — |
| 1960 | 8 | — | #5,145 | — |
| 1958 | 5 | — | #6,965 | — |