The Country Girls Trilogy Books in Order

The Country Girls Trilogy follows two friends, Caithleen Brady, usually called Kate, and Baba Brennan, as they grow up, leave home, and discover that freedom is never as simple as it looks. Kate is dreamy, romantic, and easily wounded. Baba is sharper, funnier, and better at hiding fear behind cheek. Together they make one of the great uneven friendships in modern fiction, full of loyalty, rivalry, rescue, and damage.

Leaving is only the beginning.

In The Country Girls, the girls start in rural Catholic Ireland, where family life is cramped by drink, religion, class, and constant watching. O'Brien makes that setting matter in very practical ways. Home is not just background. It shapes what the girls think love should look like, how much shame they carry, and what kind of future seems possible. When they move out toward school and then city life, the books widen, but the old pressures travel with them.

The second novel, first published as The Lonely Girl and also known as Girl with Green Eyes, brings them into Dublin and into a messier adult world. Kate falls for Eugene Gaillard, an older, worldly man who seems to offer glamour, seriousness, and escape. Baba keeps pushing toward parties, men, and whatever version of independence can be improvised from very little money and even less protection. The friendship starts to strain because the two girls want different things, but neither can fully let the other go.

They keep saving and hurting each other.

By Girls in Their Married Bliss, the trilogy has moved on to London and to the next supposed stage of adult success, marriage. O'Brien is unsentimental about what follows. Husbands, sex, pregnancy, money, boredom, and emotional dependence all crowd in. The books do not turn into a simple cautionary tale, and they do not hand out neat lessons. What they do instead is stay close to the texture of ordinary disappointment, especially the kind that comes when women are promised fulfillment and then blamed for not finding it.

That is a big part of why the trilogy still feels fresh. It is a coming-of-age story, but also a friendship story, a city story, and a record of how postwar Irish respectability pressed on women even after they had physically left home. The tone moves from lively and mischievous to bruised and disenchanted, though it never loses its humor or tenderness. The second novel was adapted for film as Girl with Green Eyes, but the real center of the series is still on the page, in Baba's bite, Kate's yearning, and O'Brien's clear-eyed sense that escape can be real and still not be enough.