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History · Lake Mary Ronan

Half of Lake Mary Ronan’s homes were built after 1977

Most of Lake Mary Ronan was built recently: 7% of its homes predate 1940 and the median home dates from 1977. Below: maps from 1964 on.

0on the National Register
7%homes built before 1940
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What stands out about Lake Mary Ronan’s past

Read from the archive, the National Register and the record. The page puts what stands out first.

A history waiting to be writtenNo old photos of Lake Mary Ronan are in the public archives yet. The rest are in attics and albums.
★ What stands out · Help out

Start Lake Mary Ronan’s collection

The first neighbors to add old photos shape how Lake Mary Ronan’s history is told.

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
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The story so far

Lake Mary Ronan, in brief

Wikipedia doesn’t have a history of Lake Mary Ronan yet. The photos, dates and memories neighbors add here are how it gets written.

Lake Mary Ronan is a census-designated place (CDP) in Lake County, Montana, United States. As of the 2020 census, Lake Mary Ronan had a population of 53. The CDP is in northwestern Lake County, along the northern and eastern shores of Lake Mary Ronan, and includes the populated places of Lake Mary Ronan, Melton, and Sipes, as well as Lake Mary Ronan State Park. It is 8 miles (13 km) northwest of U.S. Route 93 at Dayton, and 30 miles (48 km) northwest of Polson, the Lake county seat. According to the U.S. Census Bureau, the CDP has an area of 1.0 square mile (2.7 km2), of which 0.44 acres (1,796 m2), or 0.07%, are water.

Between the 2010 and 2020 censuses its population fell from 65 to 53 (-18%).

Intro from Wikipedia. Population: U.S. Census Bureau.

By decade

No old photos in the archives yet

Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.

Be the first to add onePhotograph a print flat, in daylight, no flash.
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On the map

Lake Mary Ronan on the map, 1964 to 1994

Every edition of the U.S. Geological Survey’s map of Lake Mary Ronan. Tap a year, or press play to watch the town change.

Lake Mary Ronan on the 1964 USGS mapLake Mary Ronan on the 1994 USGS map1964Lake Mary Ronan sheet · 1:24,000

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Lake Mary Ronan.

Famous people

Famous people close to Lake Mary Ronan

Nobody well known was born in Lake Mary Ronan itself, so here are the best known from just nearby.

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Michelle WilliamsAmerican actress · b. 1980
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Margaret QualleyAmerican actress and model · b. 1994
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Brad BirdAmerican film director, animator, screenwriter … · b. 1957
Lily GladstoneAmerican actress · b. 1986
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Misty UphamAmerican actress · b. 1982
Alexander King SampleRoman Catholic archbishop of Portland in Oregon · b. 1960
Places that used to be

Old corners

Old hamlets and crossroads still carry their names on the map.

Hamlets and corners on the map
MeltonsSipes

Places and cemeteries from the USGS Geographic Names Information System (2021).

Questions about Lake Mary Ronan’s history

Memory lane

What the archives can’t tell you, neighbors can.

Town Square →
Start a conversation
Sources

Where this page comes from

Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021). How TownRatings grades history →

From U.S. Geological Survey historical maps and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.