Person in history

Keir Gilchrist

Keir Gilchrist, Canadian actor and musician

Life at a glance

Born
1992 · September 28
Age this year
34No death recorded in our data
Born
34th anniversary of their birth this year

Their story

Who they were

Keir David Peters Gilchrist is a Canadian actor. On television, he portrayed Marshall Gregson on the Showtime comedy-drama United States of Tara (2009–2011) and the headlining role of Sam Gardner on the Netflix comedy-drama Atypical (2017–2021). His film roles include the comedy-drama It's Kind of a Funny Story (2010) and the supernatural horror It Follows (2014). Outside of his acting career, Gilchrist is the vocalist of grindcore band Whelm and death metal band Phalanx.

Early life

Early life Gilchrist was born in Camden Town , London , [ 1 ] to Canadian parents Catherine (née Peters) and Ian Gilchrist. [ 2 ] [ 3 ] His maternal grandfather was banker, economist, and politician Douglas Peters , and his uncle is economist David Wilfrid Peters. [ 4 ] [ 5 ] Gilchrist spent his early years in London, before relocating to Boston , Massachusetts , during his childhood, [ 6 ] then to New York City , before finally settling in Toronto , Ontario.

Path and career

Career Gilchrist attended the Annex Children's Theatre. Gilchrist's first significant television role was that of Josh McKellar on Fox 's short-lived television sitcom The Winner , which aired in 2007. From 2009 until its ending in 2011, Gilchrist co-starred as Marshall Gregson, the son of the lead character, on the Showtime comedy-drama series United States of Tara . [ 1 ] In 2009, Gilchrist won the lead role of Craig Gilner in the film It's Kind of a Funny Story ,

Why this date

Keir Gilchrist appears on our September 28 calendar for 1992 as a birth entry.

The world when they were born

Other entries we record for 1992.

Everything from 1992 →

Born the same day

Contemporaries — born the same year

Sources

Cite this page

“Keir Gilchrist”, What's On This Date, https://whatsonthisdate.com/app/people/keir-gilchrist, accessed October 28, 2026.

Cite the underlying source as well — the source links above go to the record this entry is adapted from.

Questions about Keir Gilchrist

When was Keir Gilchrist born?

September 28 1992.

How old would Keir Gilchrist be today?

34 this year, based on the birth year we hold. We have no death record for them in our data, which is not proof either way.

Who else was born on September 28?

Panna Udvardy, Jason Williams (footballer, born 1995), Eddie Rosario and others — the list is on this page and on the date page.

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