TINOS, Greece — More than a thousand small private chapels dot the Cycladic island of Tinos, maintained across generations by ordinary families who treat the tiny churches as heirlooms, places of worship and focal points for community life.

The mostly simple, whitewashed, room-sized stone chapels with miniature bell towers belong to octogenarians and Generation Z, goat farmers and hotel owners, Orthodox Christians and Catholics, and even to those who describe themselves as nonreligious. Owners keep the chapels open nearly every day, stock oil for candle wicks and often provide sweets and water for pilgrims. Many host a panigiri, the communal liturgical celebration around the feast day of a saint or the Virgin Mary, that draws relatives and neighbors for hours of prayer, food and music.

The custom has deep historical roots on Tinos. The Venetians, who ruled the island from the 13th to the early 18th century, granted land rights to local farmers to serve as a buffer against Ottoman expansion. When the Ottomans assumed control, locals were permitted to keep and build hundreds of chapels on their land, said Maria Vidali, an architect from Tinos who has researched the structures. Many chapels were also erected by sailors’ families in thanks for safe passage, built for deceased relatives or dedicated to the Virgin Mary; one of Greece’s most important Marian shrines, Panagia Evaggelistria, is on the island’s main town.

The chapels share the island’s Cycladic architectural vocabulary — cubic forms, flat roofs and predominantly white surfaces with touches of blue — but individual masons often left distinctive flourishes, said the Rev. Markos Foskolos, a native of Tinos and a Catholic priest who has written about the island’s history. “Every mason added his own flourish,” Foskolos said. Many chapels are simple and austere; some have no running water or electricity but still serve as the setting for family rituals that reach back centuries.

At Agios Sostis, a 17th-century family chapel perched on a rocky promontory facing Mykonos, hundreds of faithful packed the front yard for a September evening liturgy. Ioanna Krikelli, whose family established the church, described the maintenance of the chapel as part of familial identity. “This tradition and custom that connect us between members of the family is part of our identity. I’m fully committed to maintaining and passing them down to my children,” she said. Family members traveled from Iceland and the United Kingdom to attend, and homemade raki and sweets were served after the service.

For many owners, the chapels are as much social institutions as religious ones. Nikos Levantis recalled childhood sleepovers at Agios Giorgos with a dozen cousins before morning liturgies. His mother, Eleftheria Levanti, described how panigiri were once essential social events when villagers gathered to eat, dance and court; a local custom even involved young men presenting a flower beside meat on a fork when proposing marriage.

Owners historically provided food for pilgrims in part because people often walked long distances while fasting before Communion, Foskolos said, and feeding the poor was seen as part of the social contract of landowners. Those communal obligations contributed to a sense of shared identity: “All this helps to form a sense of community. In these little chapels, one becomes a brother with everyone else,” Foskolos said.

The chapels also function as everyday spiritual spaces. Romanos and Konstantinos Vasilopoulos host about 80 people for the feast at their family church, Panagia Faneromeni, which dates in its present form to the early 19th century and sits above the remains of an earlier chapel. Romanos said the chapel offers a feeling of serenity and continuity: “It’s just the stones and the view, and they carry stories and memories.”

Caretaking can be a hands-on responsibility passed down through generations. Bernadette Foskolos helps prepare Agios Sostis’ festival and cares for her family chapel, Agios Athanasios, where she decorates the altar with fresh flowers. Nicoleta Nazou walks daily to Agia Paraskevi, a marble-covered chapel she estimates dates to the 1600s, to ensure the candle oil is replenished. Such duties sustain rituals even as participation in organized religion declines across parts of Europe.

Younger islanders express differing degrees of observance but often value the chapels for their cultural and communal roles. Nondas Chrisochoidis’ chapel, built in the mid-1980s near Agios Sostis, commemorates his namesake, St. Constantine; he said he is less observant than his parents but hopeful the custom will continue. Giannis Kafantaris, 26, who does not identify as religious and does not live on the island, visits his family’s mountainside chapel, Panagia Theoskepasti, as a quiet place to read and to help maintain the site and its festival. “Christianity has religious aspects but also cultural aspects. It brings a lot of people together,” he said. “I want to keep it going.”

The persistence of private chapels on Tinos reflects both historical contingencies and contemporary choices. In addition to cultural and spiritual reasons, houses of worship can attract tax privileges when linked to properties, but islanders point more frequently to devotion, memory and communal obligation as motivations for upkeep. With more than one chapel per 10 residents on some Cycladic islands, the small stone churches remain visible markers of continuity on a landscape shaped by centuries of maritime life, empire and migration.

As families continue to care for chapels ranging from several centuries old to late 20th-century additions, the practices surrounding them — daily candles, occasional liturgies, the panigiri — continue to knit together religious, familial and local identities on Tinos.

Associated Press religion coverage receives support through the AP’s collaboration with The Conversation US, with funding from Lilly Endowment Inc. The AP is solely responsible for this content.