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Mary Arthur — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Coles-County, Illinois
Our Model Tree links this Mary Arthur across the 1930 and 1940 US Censuses in Coles-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 6-person household.
Age 15
b. ~1925
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Coles-County, Illinois |
| Surname | Arthur |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Mattoon City |
| 1935 Residence (County) | Coles |
| Additional Details | |
| Occupation | Housekeeper |
| Industry | Private family |
| Class of Worker | PW |
| Hours Worked | 6 |
| Income (1939) | 1234 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Housekeeper |
| Township / Ward | Mattoon City |
| Est. Birth Year | ~1925 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Carrol Arthur | Spouse | — | 38 | ~1902 |
| Amy Arthur | Daughter | — | 11 | ~1929 |
| Donald Arthur | Son | — | 6 | ~1934 |
| Fred Arthur | Head | — | 42 | ~1898 |
| Mary Arthur | Daughter | — | 15 | ~1925 |
| Anita Arthur | Daughter | — | 18 | ~1922 |
Census Appearances
1930
Coles, Illinois
Daughter, age 5
Coles, Illinois · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arthur |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Coles-County, Illinois
Daughter, age 15
Coles-County, Illinois · implied b. ~1925 — 6 household members
| Surname | Arthur |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Mattoon City |
| 1935 Residence (County) | Coles |
| Occupation | Housekeeper |
| Industry | Private family |
| Class of Worker | PW |
| Hours Worked | 6 |
| Income (1939) | 1234 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Mary Arthur across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Arthur
Daughter · 1940 · age 15 · b. ~1925 · Illinois
★ You are viewing this record
Sibling
Amy Arthur
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Arthur
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anita Arthur
Sibling · 1940 · age 18
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 — Coles-County, Illinois
Open full size
1940 US Federal Census — Coles-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00771-00774)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Maxine E. Brumleve | 19 | Daughter | Sales Clerk | Illinois |
| 42 | Raymond L. Brumleve | 18 | Son | Janitor | Illinois |
| 43 | Herman Ray Layton | 34 | Head | Buffer | Illinois |
| 44 | Elsie M. Layton | 30 | Wife | Housewife | Arkansas |
| 45 | Norma R. Layton | 10 | Daughter | — | Illinois |
| 46 | Theodore W. Layton | 7 | Son | — | Illinois |
| 47 | Hannah J. Randolph | 46 | Head | Sales Clerk | Illinois |
| 48 | Marvin L. Randolph | 16 | Son | Sales Clerk | Illinois |
| 49 | James R. Carrell | 33 | Head | Heel Fitter | Illinois |
| 50 | Alma L. Carrell | 24 | Wife | Top Stitcher | Illinois |
| 51 | Paul Anderson | 50 | Head | Salesman | Illinois |
| 52 | Helen R. Anderson | 43 | Wife | Saleslady | Illinois |
| 53 | Paul R. Anderson | 15 | Son | Newspaper Carrier | Illinois |
| 54 | Billy F. Anderson | 11 | Son | — | Illinois |
| 55 | Fred J. Arthur | 42 | Head | Farm Laborer | Illinois |
| 56 | Carrol E. Arthur | 38 | Wife | — | Illinois |
| 57 | Anita M. Arthur | 18 | Daughter | Housekeeper | Illinois |
| 58 | Mary M. Arthur THIS PERSON | 15 | Daughter | Housekeeper | Illinois |
| 59 | Amy E. Arthur | 11 | Daughter | — | Illinois |
| 60 | Donald E. Arthur | 6 | Son | — | Illinois |
| 61 | George M. Randolph | 47 | Head | Salesman | Illinois |
| 62 | Mady Randolph | 48 | Wife | — | Belgium |
| 63 | Bernard Randel | 28 | Son | Auto Parts | Illinois |
| 64 | Helen Randel | 27 | Daughter-in-law | Bookkeeper | Illinois |
| 65 | Bonnie Randolph | 25 | Daughter | Sales Clerk | Illinois |
| 66 | W. Thomas Morgan | 47 | Head | Superintendent | Illinois |
| 67 | Elizabeth M. Morgan | 45 | Wife | — | Illinois |
| 68 | William C. Morgan | 14 | Son | Newspaper Carrier | Illinois |
| 69 | Emmaline Cluff | 76 | Mother-in-law | — | Illinois |
| 70 | Ted A. Davis | 35 | Head | Cutter | Illinois |
| 71 | Mabel E. Davis | 37 | Wife | Trial Girl | Illinois |
| 72 | A. Harold Van Note | 32 | Head | Side Laster | Illinois |
| 73 | Ruth H. Van Note | 25 | Wife | Shank Wrapper | Illinois |
| 74 | Nancy M. Van Note | 5 | Daughter | — | Illinois |
| 75 | Doris J. Key | 21 | Mother | Housekeeper | Illinois |
| 76 | John J. L. Tiff | 73 | Head | — | Illinois |
| 77 | Charles W. Smith | 31 | Head | Laborer | Illinois |
| 78 | Virginia F. Smith | 19 | Wife | — | Illinois |
| 79 | Virginia A. Smith | 2 | Daughter | — | Illinois |
| 80 | Kenneth R. Smith | 0 | Daughter | — | Illinois |
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)