MC
Mary Cleary — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this Mary Cleary across the 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Cleary |
| Given Name | Mary Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford |
| 1935 Residence (County) | Winnebago |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Rockford |
| Est. Birth Year | ~1928 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Faith Cleary | Daughter | — | 1 | ~1939 |
| Doris Cleary | Daughter | — | 15 | ~1925 |
| Thomas Cleary | Head | — | 46 | ~1894 |
| George Cleary | Son | — | 17 | ~1923 |
| Veronica Cleary | Spouse | — | 46 | ~1894 |
| Mary Cleary | Daughter | — | 12 | ~1928 |
| Dorothy Cleary | Daughter | — | 5 | ~1935 |
| Ray Cleary | Son | — | 20 | ~1920 |
| Gene Cleary | Son | — | 7 | ~1933 |
Census Appearances
1930
Winnebago, Illinois
Daughter, age 2
Winnebago, Illinois · implied b. ~1928 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cleary |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Winnebago-County, Illinois
Daughter, age 12
Winnebago-County, Illinois · implied b. ~1928 — 9 household members
| Surname | Cleary |
| Given Name | Mary Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford |
| 1935 Residence (County) | Winnebago |
| Highest Grade | 5 |
| 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 Cleary across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cleary
Daughter · 1940 · age 12 · b. ~1928 · Illinois
★ You are viewing this record
Sibling
Ray Cleary
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Faith Cleary
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gene Cleary
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Cleary
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Cleary
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Cleary
Sibling · 1940 · age 5
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 — Winnebago-County, Illinois
Open full size
1940 US Federal Census — Winnebago-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00912-00742)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank L Feuerday | 50 | Head | Machinist | Wisconsin |
| 42 | Mable Feuerday | 54 | Wife | — | Illinois |
| 43 | Howard Feuerday | 18 | Son | Laborer | Illinois |
| 44 | Jeanette Feuerday | 17 | Daughter | New Worker | Illinois |
| 45 | Doris Feuerday | 13 | Daughter | — | Illinois |
| 46 | Emil G Logan | 30 | Head | Truck Driver | Illinois |
| 47 | Queenie Logan | 30 | Wife | — | S. Dakota |
| 48 | Clyde A Logan | 5 | Son | — | Illinois |
| 49 | Gerald Logan | 2 | Son | — | Illinois |
| 50 | Fred H Borsini | 30 | Head | Draftsman | Wisconsin |
| 51 | Louise Borsini | 23 | Wife | — | Iowa |
| 52 | Jean Ann Borsini | 5 | Daughter | — | Illinois |
| 53 | Charlene Borsini | 3 | Daughter | — | Illinois |
| 54 | Harold Martin | 25 | Head | Laborer | Illinois |
| 55 | Mildred Martin | 26 | Wife | — | Illinois |
| 56 | Russell Lopez | 25 | Head | Attendant | Illinois |
| 57 | Dorothy Lopez | 24 | Wife | Operator | N. Dakota |
| 58 | Stella Goddard | 65 | Head | — | Indiana |
| 59 | Ellen Goddard | 65 | Wife | — | Indiana |
| 60 | R. J. Goddard | 39 | Son | Machinist | Kansas |
| 61 | Clifford Kirchner | 28 | Son-in-law | Salesman | Illinois |
| 62 | Alma Kirchner | 20 | Daughter | — | Indiana |
| 63 | Darwin Kirchner | 7 | Grandson | — | Illinois |
| 64 | Carl Kirchner | 3 | Grandson | — | Illinois |
| 65 | Roy Strong | 31 | Head | Mason | Illinois |
| 66 | Delores Strong | 26 | Wife | — | Illinois |
| 67 | Cathrine Strong | 5 | Daughter | — | Illinois |
| 68 | Stuart Gustafson | 36 | Head | Laborer | Illinois |
| 69 | Irene Gustafson | 36 | Wife | — | Wisconsin |
| 70 | Richard Gustafson | 10 | Son | — | Wisconsin |
| 71 | Thomas Cleary | 46 | Head | Coremaker | Illinois |
| 72 | Veronica Cleary | 46 | Wife | — | Wisconsin |
| 73 | Ray Cleary | 20 | Son | Laborer | Wisconsin |
| 74 | George Cleary | 17 | Son | — | Wisconsin |
| 75 | Doris Cleary | 15 | Daughter | — | Illinois |
| 76 | Mary Lou Cleary THIS PERSON | 12 | Daughter | — | Illinois |
| 77 | Gene Cleary | 7 | Son | — | Illinois |
| 78 | Dorothy Lou Cleary | 5 | Daughter | — | Illinois |
| 79 | Faith Ann Cleary | 1 | Daughter | — | Illinois |
| 80 | Hiram W Gitchell | 64 | Head | Engineer | 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)