MG
Martha Graham — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delta-County, Colorado
Our Model Tree links this Martha Graham across the 1930 and 1940 US Censuses in Delta-County, Colorado (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Female
Daughter
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delta-County, Colorado |
| Surname | Graham |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Delta |
| 1935 Residence (County) | Delta |
| Additional Details | |
| Class of Worker | S |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Est. Birth Year | ~1927 |
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 Martha | Age | Birth yr |
|---|---|---|---|---|
| Eleanor Graham | Daughter | — | 5 | ~1935 |
| James Graham | Son | — | 7 | ~1933 |
| Jerry Graham | Head | — | 41 | ~1899 |
| Beulah Graham | Daughter | — | 15 | ~1925 |
| Martha Graham | Daughter | — | 13 | ~1927 |
| William Graham | Son | — | 11 | ~1929 |
| Edna Graham | Spouse | — | 41 | ~1899 |
| Dale Graham | Son | — | 3 | ~1937 |
Census Appearances
1930
Delta, Colorado
Other, age 3
Delta, Colorado · implied b. ~1927 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graham |
| Given Name | Martha J. |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Delta-County, Colorado
Daughter, age 13
Delta-County, Colorado · implied b. ~1927 — 8 household members
| Surname | Graham |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Delta |
| 1935 Residence (County) | Delta |
| Class of Worker | S |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 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 Martha Graham across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Graham
Daughter · 1940 · age 13 · b. ~1927 · Colorado
★ You are viewing this record
Sibling
Dale Graham
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beulah Graham
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Graham
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Graham
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Graham
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-t0627-00459-01029)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas Coutts | 32 | Head | Manager | Tennessee |
| 42 | Mary Coutts | 31 | Wife | — | Minnesota |
| 43 | Jerry Graham | 41 | Head | Jackhammer Man | Colorado |
| 44 | Edna Graham | 41 | Wife | — | Colorado |
| 45 | Beulah Graham | 15 | Daughter | — | Colorado |
| 46 | Martha Graham THIS PERSON | 13 | Daughter | — | Colorado |
| 47 | William Graham | 11 | Son | — | Colorado |
| 48 | James Graham | 7 | Son | — | Colorado |
| 49 | Eleanor Graham | 5 | Daughter | — | Colorado |
| 50 | Dale Graham | 3 | Son | — | Colorado |
| 51 | Archie Layman | 29 | Head | Truck Driver | Colorado |
| 52 | Virginia Layman | 23 | Wife | — | Colorado |
| 53 | Bert Prouch | 51 | Head | Carpenter | Kansas |
| 54 | Estelle Prouch | 40 | Wife | — | Kansas |
| 55 | Betty Prouch | 18 | Daughter | — | Kansas |
| 56 | Gene Ed Prouch | 17 | Son | — | Kansas |
| 57 | Richard Prouch | 15 | Son | — | Kansas |
| 58 | Leland Prouch | 13 | Son | — | Kansas |
| 59 | Beatrice Prouch | 13 | Daughter | — | Kansas |
| 60 | John Puffer | 76 | Head | Farming | Texas |
| 61 | Nannie Puffer | 69 | Wife | — | Missouri |
| 62 | Walter Henry | 69 | Head | Farming | Iowa |
| 63 | Ina Henry | 67 | Wife | — | Kansas |
| 64 | Emily Spruill | 74 | Head | — | Virginia |
| 65 | William Spruill | 45 | Son | Farm Laborer | Texas |
| 66 | Orville Spruill | 33 | Son | Farm Laborer | Texas |
| 67 | J. A. Strasser | 72 | Head | — | Texas |
| 68 | Mary Strasser | 66 | Wife | — | England |
| 69 | Carol Strasser | 11 | Daughter | — | California |
| 70 | Ida Kaser | 62 | Head | — | Missouri |
| 71 | Egil Dane Linn | 49 | Head | Farmer | Kansas |
| 72 | Susan Linn | 48 | Wife | — | England |
| 73 | Arlene Mary Linn | 5 | Daughter | — | Colorado |
| 74 | Larry Robert Linn | 2 | Son | — | Colorado |
| 75 | Andrew Linn | 89 | Father | — | Pennsylvania |
| 76 | Frederick Karlen | 24 | Head | Cheesemaker | Minnesota |
| 77 | Ruth Karlen | 21 | Wife | — | Kansas |
| 78 | Ann Karlen | 1 | Daughter | — | Kansas |
| 79 | George Jones | 62 | Head | Laborer | Indiana |
| 80 | Evaline Jones | 63 | Wife | — | Missouri |
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)