MC
Margaret Cooper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Chaffee-County, Colorado
Our Model Tree links this Margaret Cooper across the 1930 and 1940 US Censuses in Chaffee-County, Colorado (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 8-person household.
Age 16
b. ~1924
Female
Daughter
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Chaffee-County, Colorado |
| Surname | Cooper |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Salida City |
| 1935 Residence (County) | Chaffee |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same Place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Salida City |
| Est. Birth Year | ~1924 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| E Cooper | Head | — | 50 | ~1890 |
| Marion Cooper | Daughter | — | 19 | ~1921 |
| Margaret Cooper | Spouse | — | 50 | ~1890 |
| Danial Cooper | Son | — | 6 | ~1934 |
| George Cooper | Son | — | 10 | ~1930 |
| Charles Cooper | Son | — | 12 | ~1928 |
| Margaret Cooper | Daughter | — | 16 | ~1924 |
| Elmer Cooper | Son | — | 14 | ~1926 |
Census Appearances
1930
Chaffee, Colorado
Daughter, age 6
Chaffee, Colorado · implied b. ~1924 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Margaret A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Chaffee-County, Colorado
Daughter, age 16
Chaffee-County, Colorado · implied b. ~1924 — 8 household members
| Surname | Cooper |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Salida City |
| 1935 Residence (County) | Chaffee |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same Place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Margaret Cooper across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Cooper
Daughter · 1940 · age 16 · b. ~1924 · Colorado
★ You are viewing this record
Sibling
Charles Cooper
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Danial Cooper
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Cooper
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Cooper
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Cooper
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Chaffee-County, Colorado
Open full size
1940 US Federal Census — Chaffee-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00458-00176)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Segurdo Abate | 17 | Son | — | Colorado |
| 42 | Leona Abate | 15 | Daughter | — | Colorado |
| 43 | Lenora Burnett | 20 | Head | Order Of Fire | Colorado |
| 44 | Evelyn V. Everett | 23 | Lodger | Beautician | Colorado |
| 45 | James Sullivan | 58 | Head | Book Keeper | Iowa |
| 46 | Alice Sullivan | 82 | Mother | — | New York |
| 47 | Harry West | 45 | Head | Baker | Tennessee |
| 48 | Gladys H. West | 45 | Wife | Sales Lady In Bakery | Missouri |
| 49 | Charles E. Johnson | 64 | Head | Fireman | Kansas |
| 50 | Elizabeth Johnson | 65 | Wife | — | Colorado |
| 51 | Darrell Hamard | 30 | Head | Draftsman | Colorado |
| 52 | Bernice Hamard | 30 | Wife | — | Kansas |
| 53 | Almeda G. Baker | 23 | Head | Beauty Operator | Oklahoma |
| 54 | Henry T. Riley | 53 | Head | Minerals | Indiana |
| 55 | Maude Riley | 53 | Wife | — | Indiana |
| 56 | Everette Riley | 19 | Son | Auto Repair Man | South Dakota |
| 57 | Sabrina Moore | 82 | Mother in law | — | Indiana |
| 58 | Harry E. Smith | 62 | Head | Yard Engine Fireman | Colorado |
| 59 | Gertrude E. Smith | 55 | Wife | — | Colorado |
| 60 | Walter Baramin | 34 | Head | Mechanic | Colorado |
| 61 | Marguerite Baramin | 30 | Wife | — | Colorado |
| 62 | Marguerite J. Baramin | 3 | Daughter | — | Colorado |
| 63 | Patricia Baramin | 1 | Daughter | — | Colorado |
| 64 | E. E. Cooper | 50 | Head | Locomotive Fireman | Colorado |
| 65 | Margaret Cooper | 50 | Wife | — | Colorado |
| 66 | Marion Cooper | 19 | Daughter | — | Colorado |
| 67 | Margaret Cooper THIS PERSON | 16 | Daughter | — | Colorado |
| 68 | Elmer Cooper | 14 | Son | — | Colorado |
| 69 | Charles Cooper | 12 | Son | — | Colorado |
| 70 | George Cooper | 10 | Son | — | Colorado |
| 71 | Danial Cooper | 6 | Son | — | Colorado |
| 72 | Julia Brucker | 56 | Head | General Helper | Colorado |
| 73 | Leo Brucker | 22 | Son | None Worker | Texas |
| 74 | Lawrence Brucker | 21 | Son | Grocery Salesman | Texas |
| 75 | Arthur E. Smith | 57 | Head | Court Clerk | Colorado |
| 76 | Laura J. Smith | 56 | Wife | — | Texas |
| 77 | Willie Taliaferro | 24 | Head | Welfare Worker | Colorado |
| 78 | Florence Taliaferro | 23 | Wife | Stenographer | Colorado |
| 79 | Joseph Stancati | 65 | Head | Apartment Owner | Italy |
| 80 | Thomas Mccarthy | 45 | Head | Chiropractor | Wisconsin |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)