Three Little Cousins

In Short

When three cousins—lively, sensible Molly, spirited Westerner Polly, and reserved, English-raised Mary—gather at a summer cottage on the Maine coast, cultural differences and childhood pride initially create friction. Guided by their indulgent Uncle Dick and patient Aunt Ada, the girls navigate lost trinkets, coastal tide pools, kitchen fires, and local village life. Through small shared trials and quiet moments of forgiveness, initial distrust gives way to deep affection. Rich with early twentieth-century domestic detail, this gentle juvenile story endures as an affectionate portrait of girlhood, personal growth, and the quiet strength of family loyalty.

The Story

The summer begins with anticipation in the Shelton household as young Molly watches the rain clear, eager to start the journey north with her family and her cousin Polly, a free-spirited girl from the American West. Their plan to spend a quiet season in Maine with their cheerful Uncle Dick and kind Aunt Ada expands when a letter arrives from England. Molly’s third cousin, Mary, who has been ill, is traveling across the Atlantic with her father and will spend the summer with them while her father attends to business.

When Mary arrives, her English upbringing and rigid manners create immediate tension, particularly with fierce, patriotic Polly. Mary finds American rural life primitive and misses her familiar London routines, while Polly resents Mary’s subtle condescension toward American ways. The divide deepens when Aunt Ada lends Mary a glittering brooch for a fancy-dress party at nearby Green Island. Mary accidentally loses the pin on the way home and, terrified of admitting her fault, keeps the loss secret. Desperate to find it, she secretly enlists the help of Ellis, a local boy, traveling to the island by boat without her aunt’s knowledge.

Molly discovers Mary’s secret and, instead of exposing her, offers sympathy and help. When Mary finally confesses to Aunt Ada, she learns the brooch was merely an inexpensive rhinestone trinket of no real monetary value. Overwhelmed by relief and humbled by Molly’s kindness, Mary drops her distant facade.

The bonds between the three girls strengthen through a series of coastal adventures and shared efforts. When a local family suffers a tragedy at sea, the cousins help care for a neighbor's baby and assist Aunt Ada in organizing a community charity bazaar to raise funds. Later, when an untended fire in the fireplace suddenly flares out of control, Mary's quick thinking and calm presence prevent a disaster and save Polly from serious harm, earning Polly’s complete devotion.

As autumn approaches, the summer gathering draws to a close. Plans shift so that Molly and Mary prepare to travel east to England, while Polly prepares to return to her family's Western ranch. Yet, through all their travels, the suspicion and rivalry that marked their first days are entirely gone, replaced by a deep and permanent devotion.

How It Unfolds

The voyage begins Molly eagerly checks the weather, waiting for the rain to stop so she and her family can prepare for their journey to the Maine coast. Word arrives that her cousin Mary is sailing from England, setting the stage for a summer gathering of three distinct personalities.

Tension on the coast At the Maine cottage, Mary’s formal English manners and habit of criticizing American life quickly clash with Polly’s fiery Western pride. Uncle Dick and Aunt Ada observe the friction, hoping time and shared play will help the girls understand one another.

The missing brooch After wearing a glittering pin lent by Aunt Ada to an island party, Mary loses it and keeps the loss a secret out of fear and shame. She quietly seeks out Ellis, a local lad, to row her across the bay to search for the missing piece.

Confession and relief Molly learns of the missing pin and offers comfort rather than criticism, prompting Mary to finally confess her secret to Aunt Ada. To Mary’s immense relief, Aunt Ada reveals the pin was a cheap rhinestone trinket, completely dispelling the burden of her guilt.

A crisis at the cottage When an untended hearth fire suddenly leaps into the room and burns Polly, Mary acts with impressive calm and quick judgment to help extinguish the danger. Her brave, cool-headed response thoroughly dissolves Polly’s lingering resentment, sealing their friendship.

Farewell to summer With autumn approaching, the girls help organize a charity bazaar for a struggling local family before preparing for their separate journeys. Leaving the seaside behind, the three cousins part ways with hearts united by an enduring, lifelong affection.

The People

• Molly Shelton, a warm-hearted, empathetic girl living in the East. She serves as the natural bridge between her two cousins, choosing understanding over judgment when secrets come to light.
• Polly, an outspoken, fiercely patriotic cousin from the American West. Direct and energetic, she deeply resents any slight against her country, but her hot temper is matched by an equally quick generosity and capacity to forgive.
• Mary, their English-raised cousin, accustomed to strict nursery rules and formal manners. Defensive and proud at first, her icy exterior melts as she experiences genuine kindness, revealing a cool-headed and intensely loyal nature.
• Uncle Dick, the lively, teasing uncle who brings playful humor, administrative ease, and gentle guidance to the household’s summer affairs.
• Aunt Ada, a patient, compassionate maternal figure who manages the coastal home, guides the girls through their emotional missteps, and encourages their growth.

In Its Own Voice

"I think that was tremendously exciting," commented Molly, "and I think you were very brave, for it lasted so long. It is easy to be brave for a minute, but not for so long."

Molly offers this thoughtful reflection while the girls gather to swap stories of past dangers, revealing her quiet, analytical nature.

"I'll never try to kindle another fire," said Polly woefully. "Molly said I was putting on too much light stuff and it just leaped out like a tiger to bite me."

Polly confesses her fault with characteristic theatrical flourish after her careless attempt to stoke the hearth leads to an frightening blaze.

"She is too dear for anything," said Molly ecstatically. "See her laugh, Mary, and flutter her little hands. She is to be my baby this morning."

Molly expresses her uninhibited joy as the three cousins take turn mothering a neighbor's infant during a quiet afternoon at the cottage.

What It's Really About

Beneath its gentle episodic plot, the novel explores the slow, delicate work of overcoming cultural prejudice and personal pride. It examines how childhood misunderstandings stem less from malice than from vulnerability and fear of judgment. The narrative asks what it truly means to belong to a family, contrasting rigid formal manners with authentic empathy. Through Mary’s burden over the lost rhinestone, the book illustrates how secret guilt distorts perception, while open honesty invites grace. Ultimately, it celebrates the quiet maturity that develops when young people learn to value differences rather than condemn them.

Why Read It Today

Three Little Cousins offers modern readers a sweet, unhurried window into early twentieth-century American childhood. Readers who enjoy domestic classics like Little Women or the works of Susan Coolidge will appreciate its gentle warmth, nostalgic atmosphere, and detailed observations of seaside life—from tide pools and blueberry picking to rustic harbor towns.

The prose is simple and accessible, though contemporary readers should expect the slower pacing typical of 1900s juvenile fiction, alongside period-specific regional dialect in the dialogue of the Maine locals. Its honest depiction of childhood jealousy, patriotism, and the difficult art of apology remains surprisingly timeless. The story leaves the reader with a comforting sense of warmth, offering a quiet reminder of how kindness and shared laughter can bridge even the widest divides.