Lilly Jay Biography: Ex-Husband, Net Worth, Parents, Children, Age, Height, Personal Life, Instagram, Education

Lilly Jay is a licensed clinical psychologist specializing in perinatal mental health, child development, infertility support, medically-complex pregnancies, birth trauma, perinatal loss, and related issues.

She uses evidence-based approaches like CBT, DBT, psychoanalytic therapy, dyadic therapy, and play therapy in her practice, which spans New York and New Jersey.

Quick Facts

• Full Name: Lilly Jay
• Stage Name: Lilly Jay
• Born: 1992
• Age: 34 years old
• Birthplace: United States
• Nationality: American
• Ethnicity: American
• Occupation: Clinical Psychologist
• Height: Unknown
• Religion: Unknown
• Parents: Mr. and Mrs. Jay
• Siblings: Unknown
• Spouse: Ethan Slater (ex-husband)
• Children: One son
• Relationship: Divorced
• Net Worth: $800,000 USD

Early Life and Education

Lilly Jay was born in 1992 in the United States. She was raised by her parents known as Mr. and Mrs. Jay.

She graduated from Amherst College with a bachelor’s degree in law, jurisprudence, and social thought in 2014.

She studied psychology at Columbia University afterward, then earned her PsyD in clinical psychology from Long Island University in 2020 (some sources note 2021 completion).

She completed advanced training, internships, externships, and a postdoctoral fellowship focused on perinatal mental health, including work at the Children’s Hospital of Philadelphia supporting high-risk pregnancies and families in foster care. Her ethnicity is unknown. Her religion is unknown.

Career

Lilly Jay maintains a private practice as a licensed clinical psychologist (PsyD, PMH-C) emphasizing women’s mental health, adolescents, life transitions, perinatal mood and anxiety disorders, NICU parenting, grief, and child development.

She has experience in children’s hospitals, foster care systems, and specialized perinatal care for parents facing infertility, traumatic births, or infant loss.

In December 2024, she published a personal essay in The Cut titled “How Does My Divorce Make You Feel?” discussing the loss of professional anonymity due to public scrutiny, counter-transference in therapy, and balancing new motherhood with her role as a therapist.

She has contributed to directories like the Perinatal Mental Health Provider Directory and focuses on therapeutic support rather than public-facing media.

Social Media

• LinkedIn: Lilly Jay

Personal Life

Lilly Jay is divorced from actor Ethan Slater. They were high school sweethearts from Georgetown Day School in Washington, D.C., began dating in 2012 during college, married in November 2018, and welcomed their son in August 2022.

Slater filed for divorce in July 2023 amid reports of his relationship with Wicked co-star Ariana Grande, with the divorce finalized in September 2024.

No other past relationships are publicly known. They share one son (name and exact details kept private, born August 2022, approximately 3–4 years old).

Both prioritize co-parenting, with Jay noting their unchanged commitment to parenthood despite the partnership change.

Net Worth

Lilly Jay’s net worth is estimated at $800,000 USD. Her income primarily comes from her clinical psychology practice through private therapy sessions, consultations, specialized perinatal mental health services, and potential insurance reimbursements or out-of-network benefits; postdoctoral fellowship earnings, hospital affiliations, and professional directory listings; any writing or speaking opportunities tied to her expertise in women’s mental health; and possible residual shared assets or support from her previous marriage, though her independent professional work drives her revenue.