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Dillon

Boy

Meaning of Dillon: Irish: 'faithful'

Dillon is a boy's name most strongly associated with Irish naming. It has 6 letters and 2 syllables, and it is familiar but far from overused — 843rd most popular boys' name in the United States in 2025 and 826th in England & Wales.

US rank 2025

#843

294 babies in 2025

England & Wales 2024

#826

39 babies in 2024

US babies since 1880

66,270

First recorded 1892 · peak 1992

Trend

falling

Style: uncommon

Popularity over time

1981: 161 babies1982: 170 babies1983: 231 babies1984: 275 babies1985: 381 babies1986: 610 babies1987: 707 babies1988: 797 babies1989: 1,038 babies1990: 1,693 babies19901991: 3,651 babies1992: 5,082 babies1993: 4,311 babies1994: 3,552 babies1995: 3,051 babies1996: 3,043 babies1997: 2,908 babies1998: 2,856 babies1999: 2,692 babies2000: 2,273 babies20002001: 2,155 babies2002: 1,861 babies2003: 2,032 babies2004: 1,980 babies2005: 1,911 babies2006: 1,624 babies2007: 1,569 babies2008: 1,338 babies2009: 1,155 babies2010: 1,071 babies20102011: 904 babies2012: 897 babies2013: 821 babies2014: 823 babies2015: 714 babies2016: 707 babies2017: 586 babies2018: 510 babies2019: 463 babies2020: 453 babies20202021: 454 babies2022: 415 babies2023: 395 babies2024: 329 babies2025: 294 babies
US babies named Dillon per year (Social Security Administration). Peak bar = 5,082.

Gender split

98% boys · 2% girls, based on US, UK and international usage.

Origins & cultures

More Irish boys' names

Other names starting with D