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Mary Mcintyre — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Randolph-County, Illinois
Our Model Tree links this Mary Mcintyre across the 1930 and 1940 US Censuses in Randolph-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 8-person household.
Age 21
b. ~1919
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Randolph-County, Illinois |
| Surname | McIntyre |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Sparta EP |
| 1935 Residence (County) | Randolph |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Sparta Ep |
| Est. Birth Year | ~1919 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Theresa Mcintyre | Daughter | — | 12 | ~1928 |
| Hugh Mcintyre | Head | — | 53 | ~1887 |
| Mary Mcintyre | Daughter | — | 21 | ~1919 |
| Howard Mcintyre | Son | — | 24 | ~1916 |
| Robert Mcintyre | Son | — | 19 | ~1921 |
| Annabelle Mcintyre | Daughter | — | 8 | ~1932 |
| Mary Mcintyre | Spouse | — | 47 | ~1893 |
| Walter Mcintyre | Son | — | 27 | ~1913 |
Census Appearances
1930
Randolph, Illinois
Daughter, age 11
Randolph, Illinois · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McIntyre |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Randolph-County, Illinois
Daughter, age 21
Randolph-County, Illinois · implied b. ~1919 — 8 household members
| Surname | McIntyre |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Sparta EP |
| 1935 Residence (County) | Randolph |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| 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 Mcintyre across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcintyre
Daughter · 1940 · age 21 · b. ~1919 · Illinois
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Sibling
Theresa Mcintyre
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mcintyre
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annabelle Mcintyre
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Mcintyre
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Mcintyre
Sibling · 1940 · age 27
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 — Randolph-County, Illinois
Open full size
1940 US Federal Census — Randolph-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00872-00795)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Norman O Mines | 17 | Son | New Worker | Illinois |
| 42 | Louis Low | 14 | Son | — | Illinois |
| 43 | Charles Low | 10 | Son | — | Illinois |
| 44 | Margaret Low | 7 | Daughter | — | Illinois |
| 45 | W. J. Wilson | 67 | Head | Laborer | Illinois |
| 46 | Maggie Wilson | 65 | Wife | — | Illinois |
| 47 | Mary Wilson | 27 | Daughter | — | Illinois |
| 48 | Albert Halford | 32 | Head | Miner | Illinois |
| 49 | Marie Halford | 23 | Wife | — | Illinois |
| 50 | Louis Ledbetter | 50 | Head | Laborer | Illinois |
| 51 | Kattie Ledbetter | 43 | Wife | — | Illinois |
| 52 | William Ledbetter | 21 | Son | — | Illinois |
| 53 | Edna Ledbetter | 18 | Daughter | — | Illinois |
| 54 | Everett Ledbetter | 15 | Son | — | Illinois |
| 55 | Hugh Mcintyre | 53 | Head | Laborer | Illinois |
| 56 | Mary Mcintyre | 47 | Wife | — | Illinois |
| 57 | Walter Mcintyre | 27 | Son | — | Illinois |
| 58 | Howard Mcintyre | 24 | Son | — | Illinois |
| 59 | Mary Mcintyre THIS PERSON | 21 | Daughter | — | Illinois |
| 60 | Robert Mcintyre | 19 | Son | — | Illinois |
| 61 | Theresa Mcintyre | 12 | Daughter | — | Illinois |
| 62 | Annabelle Mcintyre | 8 | Daughter | — | Illinois |
| 63 | Reid P. Sykes | 39 | Head | Laborer | Kentucky |
| 64 | Blanche Sykes | 30 | Wife | Laborer | Alabama |
| 65 | Myron Sykes | 12 | Son | — | Illinois |
| 66 | Harold Sykes | 8 | Son | — | Illinois |
| 67 | Fred Arnold | 54 | Head | Laborer | Missouri |
| 68 | Alvia Arnold | 50 | Wife | — | Illinois |
| 69 | Ernest Arnold | 28 | Son | — | Illinois |
| 70 | Adeline Arnold | 17 | Daughter | — | Illinois |
| 71 | Lola Arnold | 15 | Daughter | New Worker | Illinois |
| 72 | Clyde Shoemaker | 31 | Head | Miner | Illinois |
| 73 | Dorothy Shoemaker | 26 | Wife | — | Illinois |
| 74 | Richard Schmellmyer | 37 | Head | Brakeman | Illinois |
| 75 | Mable Schmellmyer | 38 | Wife | — | Illinois |
| 76 | Betty Schmellmyer | 11 | Daughter | — | Illinois |
| 77 | Robert Pattiger | 69 | Head | Laborer | Illinois |
| 78 | Mattie Hawthorne | 57 | Head | Bookkeeper | Illinois |
| 79 | Alberta Hawthorne | 16 | Niece | — | Illinois |
| 80 | Fred Billerbeck | 50 | Head | Miner | 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)