MS
Margaret Shea — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delta-County, Colorado
Our Model Tree links this Margaret Shea across the 1930 and 1940 US Censuses in Delta-County, Colorado (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 8-person household.
Age 25
b. ~1915
Female
Daughter
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delta-County, Colorado |
| Surname | Shea |
| Given Name | Margaret A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Precinct 15 Calif Mesa |
| 1935 Residence (County) | Delta |
| Additional Details | |
| Occupation | Stenographer |
| Industry | U.S. Vanadium Corp. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 236 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Stenographer |
| Township / Ward | Precinct 15 Calif Mesa |
| Est. Birth Year | ~1915 |
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 |
|---|---|---|---|---|
| James Shea | Son | — | 8 | ~1932 |
| John Shea | Head | — | 51 | ~1889 |
| Richard Shea | Son | — | 19 | ~1921 |
| Helen Shea | Son | — | 15 | ~1925 |
| Jack Shea | Son | — | 11 | ~1929 |
| Margaret Shea | Daughter | — | 25 | ~1915 |
| Thomas Shea | Son | — | 17 | ~1923 |
| Helen Shea | Spouse | — | 50 | ~1890 |
Census Appearances
1930
Delta, Colorado
Daughter, age 14
Delta, Colorado · implied b. ~1916 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shea |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Delta-County, Colorado
Daughter, age 25
Delta-County, Colorado · implied b. ~1915 — 8 household members
| Surname | Shea |
| Given Name | Margaret A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Precinct 15 Calif Mesa |
| 1935 Residence (County) | Delta |
| Occupation | Stenographer |
| Industry | U.S. Vanadium Corp. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 236 |
| Highest Grade | Hs 4 |
| 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 Shea across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Shea
Daughter · 1940 · age 25 · b. ~1915 · Colorado
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Sibling
Richard Shea
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Shea
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Shea
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Shea
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Shea
Sibling · 1940 · age 11
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 — Delta-County, Colorado
Open full size
1940 US Federal Census — Delta-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00459-01003)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John H. Kehoe | 67 | Head | Farmer | Irish Free State |
| 2 | Eunice Ann Kehoe | 64 | Wife | — | Nebraska |
| 3 | Roney Walker | 39 | Head | Farmer | Missouri |
| 4 | Agnes Jane Walker | 37 | Wife | — | Nebraska |
| 5 | Agnes Lorraine Walker | 19 | Daughter | — | Colorado |
| 6 | Plega Ruth Walker | 18 | Daughter | — | Colorado |
| 7 | Lois Blanche Walker | 16 | Daughter | — | Colorado |
| 8 | Eunice Lillian Walker | 13 | Daughter | — | Colorado |
| 9 | John Riley Walker | 8 | Son | — | Colorado |
| 10 | Leo Cameron | 52 | Head | Labour | Kansas |
| 11 | Anna Cameron | 51 | Wife | — | Kansas |
| 12 | Bobby Cameron | 16 | Son | — | Kansas |
| 13 | Betty Cameron | 11 | Daughter | — | Kansas |
| 14 | William R. Walker | 64 | Head | Farmer | Kentucky |
| 15 | Lillie Walker | 59 | Wife | Bookkeeper | Missouri |
| 16 | Blanche A. Walker | 32 | Daughter | Bookkeeper | Missouri |
| 17 | Adolph Lell | 34 | Head | Farmer | Oklahoma |
| 18 | Leona Lell | 37 | Wife | — | Wyoming |
| 19 | Katherine Lell | 9 | Daughter | — | Colorado |
| 20 | Gordon Lell | 5 | Son | — | Colorado |
| 21 | Lorraine Lell | 4 | Daughter | — | Montana |
| 22 | John E. Shea | 51 | Head | Farmer | Colorado |
| 23 | Helen Shea | 50 | Wife | — | Colorado |
| 24 | Margaret A. Shea THIS PERSON | 25 | Daughter | Stenographer | Colorado |
| 25 | Richard Shea | 19 | Son | — | Colorado |
| 26 | Thomas Shea | 17 | Son | — | Colorado |
| 27 | Helen Shea | 15 | Son | — | Colorado |
| 28 | Jack Shea | 11 | Son | — | Colorado |
| 29 | James Dean Shea | 8 | Son | — | Colorado |
| 30 | Lester E. Bettis | 28 | Head | Farmer | Arkansas |
| 31 | Maxine Bettis | 25 | Wife | — | Kansas |
| 32 | Marie Bettis | 3 | Daughter | — | Colorado |
| 33 | Ella Mae Bettis | 1 | Daughter | — | Colorado |
| 34 | Elizabeth Davis | 60 | Head | — | West Virginia |
| 35 | Bert Bonnell | 47 | Head | Farmer | Nebraska |
| 36 | Mable Bonnell | 43 | Wife | — | Iowa |
| 37 | Jean Bonnell | 15 | Daughter | — | Colorado |
| 38 | Billy Bonnell | 12 | Son | — | Colorado |
| 39 | Eunice Bonnell | 6 | Daughter | — | Colorado |
| 40 | Alfred Bonnell | 5 | Son | — | Colorado |
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)