Hailee Steinfeld reveals her and Josh Allen's daughter's name in heartfelt letter ahead of Father's Day

Hailee Steinfeld and Josh Allen welcomed their first child in April, months after announcing their pregnancy news
Hailee Steinfeld and Josh Allen shared a rare update about their baby daughter (Kevin Mazur/Getty Images)
Hailee Steinfeld and Josh Allen shared a rare update about their baby daughter (Kevin Mazur/Getty Images)

LOS ANGELES, CALIFORNIA: Just days before Father's Day, Hailee Steinfeld gave fans a heartwarming glimpse into her new life as a mother.

The actress and singer revealed the name of her and husband Josh Allen's baby daughter, offering a rare look into the couple's growing family. While Steinfeld and Allen have largely kept details about their daughter private, the reveal gave fans a special update as they celebrate their first year of parenthood.

Hailee Steinfeld reveals her and Josh Allen's baby daughter's name

The 'Sinners' actress shared the reveal in an entry on her 'Beau Society Substack' on Friday titled 'A Letter to My Daughter', where she addressed her child by name: Harper Haize Allen.

The actress, 29, described the last "few months" as "beautiful and exhausting," and "sacred and so special."

Hailee Steinfeld speaks during Opening Night and Sony Pictures Entertainment Presentation at The Colosseum at Caesars Palace during CinemaCon, the official convention of the National Association of Theatre Owners, on April 24, 2023, in Las Vegas, Nevada.
Hailee Steinfeld spoke during the Opening Night and Sony Pictures Entertainment Presentation at CinemaCon (Alberto E Rodriguez/Getty Images for CinemaCon)

In the lengthy blog, the new mother wrote that she's "learned that motherhood isn't made up of grand moments as much as the tiny, precious ones."

The 'Bumblebee' star continued, "The sway of tired hips in the middle of the night, your little milk-drunk smiles, and the quiet realization, over and over again, that my heart is now somehow living outside of my body and it always will."

"And even though I know I am meant to guide you through this life, Harper Haize Allen, the truth is that already, you have taught me far more than I could ever teach you," she went on. "One day you'll read this and know that to be true, my sweet girl.”

Hailee Steinfeld attends the 83rd Annual Golden Globe Awards at The Beverly Hilton on January 11, 2026 in Beverly Hills, California. (Photo by John Shearer/WireImage)
Hailee Steinfeld attended the 83rd Annual Golden Globe Awards in Beverly Hills, California (John Shearer/WireImage)

For fans, the reveal was more than just a baby-name announcement. It was a reminder of how much has changed for Steinfeld over the past year, from major career projects to stepping into motherhood.

The wholesome update added an extra dose of joy ahead of Father's Day and gave followers another reason to celebrate the couple's growing family.

Hailee Steinfeld and Josh Allen's journey to parenthood

The actress and her sportsman husband tied the knot in a romantic ceremony in California on May 31, 2025. Later that year, Steinfeld shared the exciting news that they were expecting their first child in a December Substack post titled '29 Moments I Loved This Year.'

On April 2, the actress announced the arrival of their baby girl, writing, "Our baby girl has arrived!! We're feeling incredibly grateful and blessed and savouring these early moments. Thank you so much for the love and well wishes," before signing off, "Love, Hailee and Josh."

The new mom later celebrated her first Mother's Day by sharing a sweet Instagram photo of her daughter's tiny hand wrapped around her finger.

"A day late but simply obsessed with this," she captioned the heartwarming snap.

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