Faculty profile

Isabelle Ouellet-Morin

ResearcherMcGill University

This profile is built from public research funding records (CIHR, NSERC and SSHRC) and PubMed. We have not imported them from a McGill University directory, so their courses and email address may be missing. Find their university profile.

Isabelle Ouellet-Morin

Researcher

Health Sciences

McGill University

Montreal, Quebec, Canada

Supervision signals

Has led research grants, which requires an independent research appointment. Ask their department whether they supervise graduate students.
49 publications in the last five years, latest in 2026.
Senior (last) author on 12 recent papers, a sign of leading a research group.
Principal investigator on 1 research grant (1 CIHR), most recently in 2024.

These signals come from public records, including CIHR, NSERC and SSHRC funding decisions. Ask the professor or the graduate program whether they are taking new students.

Academic metrics

Publications

Citations

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Collaborators

Grants

Publications by year

Counts cover the works listed on the university profile; citation counts come from Dimensions.

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Signals and details

Research

Adolescent Depression Adulthood Functioning Outcomes Education And Employment Health Medical Services Use Mental Health Population-Based Cohort Premature Aging

Latest papers

Developmental Trajectories of Suicidality in Sexually Diverse and Heterosexual Adolescents: Findings From the Quebec Longitudinal Study of Child Development: Trajectoires développementales de suicidalité chez les adolescents hétérosexuels et de la diversité sexuelle : Résultats de l'Étude longitudinale sur le développement des enfants du Québec.
Canadian journal of psychiatry. Revue canadienne de psychiatrie · 2026
Adolescent suicidal distress and adult mental health: findings from a 25-year population based cohort.
European child & adolescent psychiatry · 2026
Young adult self-harm: The role of victimisation and polygenic risk in a population-based longitudinal study.
JCPP advances · 2026

All 72 publications

Latest funding

Adolescents with depression: education, employment, and health in young adulthood. The Douglas Adolescent Depression Cohort linked to longitudinal databases to ages 18-25 years.
CIHR · 2026 · Co-investigator
$761,176
Adolescents with depression: education, income, and health in young adulthood. The Douglas Adolescent Depression Cohort linked to longitudinal databases to ages 18-25 years.
CIHR · 2025 · Co-investigator
$100,000
Beyond the 'Teenage Blues': A longitudinal population-based study documenting the long-term outcomes of adolescent depression
CIHR · 2024 · Principal investigator
$1,113,075

All 7 grants and awards

72 publications.

Developmental Trajectories of Suicidality in Sexually Diverse and Heterosexual Adolescents: Findings From the Quebec Longitudinal Study of Child Development: Trajectoires développementales de suicidalité chez les adolescents hétérosexuels et de la diversité sexuelle : Résultats de l'Étude longitudinale sur le développement des enfants du Québec.

MacNeil S, Sicotte R, Davisse-Paturet C, Chartrand E, Alexander E, Lecousy M, Girard A, Orri M, Chadi N, Ouellet-Morin I, Pullen Sansfaçon A, Iyer SN, Castellanos-Ryan N, Colman I, Juster RP, Geoffroy MC

Canadian journal of psychiatry. Revue canadienne de psychiatrie2026

DOI: 10.1177/07067437261442420 PMID: 41983935

Adolescent suicidal distress and adult mental health: findings from a 25-year population based cohort.

Civita A, Colman I, Orri M, Chartrand E, Dorais M, Spodenkiewicz M, Martinez P, Castellanos-Ryan N, Ouellet-Morin I, Côté SM, Thombs BD, Geoffroy MC

European child & adolescent psychiatry2026

DOI: 10.1007/s00787-026-03183-4 PMID: 42747516

Young adult self-harm: The role of victimisation and polygenic risk in a population-based longitudinal study.

Marzecki F, Ouellet-Morin I, Zavos HMS, Côté S, Tremblay RE, Gouin JP, Orri M, Boivin M, Geoffroy MC

JCPP advances2026

DOI: 10.1002/jcv2.70061 PMID: 42416628

Mental Health Service Use in Sexually and Gender Diverse Youths and Cisgender Heterosexual Youths.

Anzarouth L, MacNeil S, Ryan NC, Martineau A, Orri M, Temcheff C, Dorais M, Girard A, Iyer SN, Colman I, Ouellet-Morin I, Chadi N, Juster RP, Geoffroy MC

JAMA network open2026

DOI: 10.1001/jamanetworkopen.2026.26797 PMID: 42599709

Mental health status of sexually diverse youth at age 23: Cross-sectional data from the Quebec Longitudinal Study of Child Development.

Martineau A, MacNeil S, Iyer SN, London-Nadeau K, Anzarouth L, Chartrand É, Colman I, Orri M, Chadi N, Ouellet-Morin I, Ryan NC, Sansfaçon AP, Juster RP, Geoffroy MC

Canadian journal of public health = Revue canadienne de sante publique2026

DOI: 10.17269/s41997-026-01235-5 PMID: 42484771

Prevalence and mental health correlates of non-suicidal self-injury in elementary school children.

Hadj-Youssef S, Civita A, Chartrand E, Malboeuf-Hurtubise C, Fuoco J, Loose T, Ouellet-Morin I, Heath N, Maltais N, Baetens I, Spodenkiewicz M, Côté S, Geoffroy MC

Psychiatry research2026

DOI: 10.1016/j.psychres.2026.117097 PMID: 41865642

Prenatal phenol exposure and child behaviour: insights into the hypothalamic-pituitary-adrenal axis from two prospective mother-child cohorts.

Rolland M, Bustamante M, Jedynak P, Thomsen C, Sakhi AK, Foraster M, Gascon M, Gómez-Roig MD, Llurba E, Rivas I, Ouellet-Morin I, Ferrer M, Morillas A, Carras S, Bayat S, Lyon-Caen S, Pozo OJ, Vrijheid M, Sunyer J, Slama R, Dadvand P, Philippat C

The Lancet. Planetary health2025

DOI: 10.1016/j.lanplh.2025.101330 PMID: 41386271

Bidirectional Associations Between Civic Engagement, Depressive Symptoms, and Suicidality in Youth: A Population-Based Study.

Sciola A, Acland E, Philippe FL, Loose T, Orri M, Vergunst F, Ouellet-Morin I, Castellanos-Ryan N, Girard A, Talwar V, Côté S, Geoffroy MC

Journal of adolescence2025

DOI: 10.1002/jad.70029 PMID: 40818106

Deciphering the mediating role of childhood maltreatment in the association between genetic risk and developmental trajectories of school-age reactive and proactive aggression.

Ouellet-Morin I, Geoffroy MC, Louis P, Voronin I, Morneau-Vaillancourt G, Langevin R, Collin-Vézina D, Giguère CE, Bouliane M, Petitclerc A, Brendgen M, Vitaro F, Tremblay RE, Boivin M

Development and psychopathology2025First author

DOI: 10.1017/s0954579425100801 PMID: 41111315

Prediction of depressive symptoms in young adults by polygenic score and childhood maltreatment: Results from a population-based birth cohort.

Scardera S, Geoffroy MC, Langevin R, Perret LC, Collin-Vézina D, Voronin I, Gouin JP, Meng X, Boivin M, Ouellet-Morin I

Development and psychopathology2025Senior author

DOI: 10.1017/s0954579424001688 PMID: 39465601

Write to this professor

A short, specific email works best. This draft uses one of their recent papers; replace the parts in brackets with your own details before sending.

Applying for

Paper to mentionMention their CIHR grant from 2024

Subject: Prospective PhD student: Adolescent Depression Dear Professor Ouellet-Morin, My name is [your name], and I am a [your current degree or role] at [your institution]. I am applying for a PhD position starting in [term and year]. I read your paper "Developmental Trajectories of Suicidality in Sexually Diverse and Heterosexual Adolescents: Findings From the Quebec Longitudinal Study of Child Development: Trajectoires développementales de suicidalité chez les adolescents hétérosexuels et de la diversité sexuelle : Résultats de l'Étude longitudinale sur le développement des enfants du Québec." (2026), and it connects closely to my own work on [your research topic]. [One or two sentences on what you did and what you learned.] I also saw your CIHR-funded project "Beyond the 'Teenage Blues': A longitudinal population-based study documenting the long-term outcomes of adolescent depression" (2024), and I would be glad to contribute to work in that direction. Are you accepting new PhD students for [term and year]? I have attached my CV and transcripts, and I would be glad to talk at a time that suits you. Thank you for your time. Kind regards, [your name]

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Isabelle Ouellet-Morin

Research

Latest papers

Latest funding

Adolescent suicidal distress and adult mental health: findings from a 25-year population based cohort.

Young adult self-harm: The role of victimisation and polygenic risk in a population-based longitudinal study.

Mental Health Service Use in Sexually and Gender Diverse Youths and Cisgender Heterosexual Youths.

Mental health status of sexually diverse youth at age 23: Cross-sectional data from the Quebec Longitudinal Study of Child Development.

Prevalence and mental health correlates of non-suicidal self-injury in elementary school children.

Prenatal phenol exposure and child behaviour: insights into the hypothalamic-pituitary-adrenal axis from two prospective mother-child cohorts.

Bidirectional Associations Between Civic Engagement, Depressive Symptoms, and Suicidality in Youth: A Population-Based Study.

Deciphering the mediating role of childhood maltreatment in the association between genetic risk and developmental trajectories of school-age reactive and proactive aggression.

Prediction of depressive symptoms in young adults by polygenic score and childhood maltreatment: Results from a population-based birth cohort.

Adolescents with depression: education, employment, and health in young adulthood. The Douglas Adolescent Depression Cohort linked to longitudinal databases to ages 18-25 years.

Adolescents with depression: education, income, and health in young adulthood. The Douglas Adolescent Depression Cohort linked to longitudinal databases to ages 18-25 years.

Beyond the 'Teenage Blues': A longitudinal population-based study documenting the long-term outcomes of adolescent depression

Mental Health of Sexual Diverse Youth

École à Ciel Ouvert : Efficacité d'un programme d'intervention impliquant la nature pour atténuer les impacts des perturbations scolaires liées à la Covid-19 sur la santé mentale et les saines habitudes de vie des enfants de milieux défavorisés.

Understanding the role of adolescent cannabis use in the pathways to depression, anxiety, and suicidality: a genetically informed multi-cohort study

Transitioning to Adulthood: Risk and Protective Factors for Mental Health Problems (MHPs) between Adolescence and Adulthood in a Representative Population Sample.

Frequent collaborators

Isabelle Ouellet-Morin

Isabelle Ouellet-Morin

Michel Boivin

Marie-Claude Geoffroy

Frank Vitaro

Massimiliano Orri

Massimiliano Orri

Sonia Lupien

Jean-Philippe Gouin

Jean-Philippe Gouin

Gustavo Turecki

Nicholas Chadi

Natalie Castellanos Ryan

Natalie Castellanos Ryan

Rachel Langevin

Richard Tremblay

Ian Colman

Vincent Paquin

Frederick Philippe

Philippe Robaey

Catherine Malboeuf-Hurtubise

Marie-France Marin

Marie-France Marin

Lise Gauvin

Kira London-Nadeau