MM
Mary Mccullough — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Illinois
Our Model Tree links this Mary Mccullough across the 1920, 1930 and 1940 US Censuses in Marion-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1875), then head of a 4-person household.
Age 65
b. ~1875
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Illinois |
| Surname | McCullough |
| Given Name | Mary L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Centralia City |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Centralia City |
| Est. Birth Year | ~1875 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jewel Mccullough | Other | — | 12 | ~1928 |
| Alexander Mccullough | Head | — | 67 | ~1873 |
| Edna Mccullough | Daughter | — | 34 | ~1906 |
| Mary Mccullough | Spouse | — | 65 | ~1875 |
Census Appearances
1920
Marion, Illinois
Spouse, age 42
Marion, Illinois · implied b. ~1878 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCullough |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Marion, Illinois
Spouse, age 53
Marion, Illinois · implied b. ~1877 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCullough |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 23 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Marion-County, Illinois
Spouse, age 65
Marion-County, Illinois · implied b. ~1875 — 4 household members
| Surname | McCullough |
| Given Name | Mary L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Centralia City |
| 1935 Residence (County) | Marion |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 Mccullough across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mccullough
Spouse · 1940 · age 65 · b. ~1875 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Marion-County, Illinois
Open full size
1940 US Federal Census — Marion-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00852-00206)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna Belle Hudgens | 20 | Wife | Packer | Illinois |
| 42 | Carl F. Heingmann | 25 | Head | Attendant | Illinois |
| 43 | Helen A. Heingmann | 23 | Wife | — | Illinois |
| 44 | Phyllis Ann Heingmann | 2 | Daughter | — | Illinois |
| 45 | John Frances | 43 | Head | Concrete Finisher | Italy |
| 46 | Carl W. Frances | 17 | Son | Newsvendor | Illinois |
| 47 | Wm M. Brothers | 39 | Head | Laborer | Illinois |
| 48 | Bertha M. Brothers | 33 | Wife | — | Illinois |
| 49 | Betty Jean Brothers | 11 | Daughter | — | Illinois |
| 50 | Billy Joe Brothers | 8 | Son | — | Illinois |
| 51 | Wm H. White | 34 | Head | Laborer | Illinois |
| 52 | Minnie L. White | 31 | Wife | — | Illinois |
| 53 | Ruth Bailey | 18 | Head | Household Aid | Mississippi |
| 54 | Teddy Neal Bailey | 2 | Son | — | Louisiana |
| 55 | James R. Bailey | 0 | Son | — | Illinois |
| 56 | Alexander Mccullough | 67 | Head | — | Illinois |
| 57 | Mary L. Mccullough THIS PERSON | 65 | Wife | — | Illinois |
| 58 | Edna M. Mccullough | 34 | Daughter | Supervisor | Illinois |
| 59 | Jewel Harold Mccullough | 12 | Grandson | — | Illinois |
| 60 | Glen F. Kincade | 23 | Head | Welder | Oklahoma |
| 61 | Maude B. Kincade | 28 | Wife | — | Oklahoma |
| 62 | Patsy L. Kincade | 1 | Daughter | — | Oklahoma |
| 63 | Ray Grimes | 49 | Head | Collector | Illinois |
| 64 | Pearl I. Grimes | 48 | Wife | Laundress | Illinois |
| 65 | Leroy Grimes | 18 | Son | Waiter | Illinois |
| 66 | Georgia M. Grimes | 16 | Daughter | — | Illinois |
| 67 | Rose Bagley | 24 | Head | Washing | Illinois |
| 68 | Karen Marie Bagley | 1 | Granddaughter | — | Illinois |
| 69 | James Faulkner | 86 | Father-in-law | — | Illinois |
| 70 | John D. Westman | 40 | Head | Laborer | Illinois |
| 71 | Beulah B. Westman | 34 | Wife | Laundry | Illinois |
| 72 | John D. Jr Westman | 16 | Son | — | Illinois |
| 73 | Robt. L. Westman | 13 | Son | — | Illinois |
| 74 | Marybelle Westman | 7 | Daughter | — | Illinois |
| 75 | Dennis Emery | 52 | Head | Carpenter | Illinois |
| 76 | Artie Belle Emery | 49 | Wife | Paper Hanger | Illinois |
| 77 | Genevieve D. Emery | 19 | Daughter | Carpenter Apprentice | Illinois |
| 78 | Joseph O. Emery | 17 | Son | Carpenter Apprentice | Illinois |
| 79 | Ellsworth D. Emery | 11 | Son | — | Illinois |
| 80 | Dilbert R. Bracken | 34 | Head | Oil Well Cleaning | Kansas |
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)