MC
Mary Cleary — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mary Cleary across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 7-person household.
Age 10
b. ~1930
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Cleary |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Brentwood |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Brentwood |
| Est. Birth Year | ~1930 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Joan Cleary | Daughter | — | 4 | ~1936 |
| Rosemarie Cleary | Daughter | — | 12 | ~1928 |
| Mary Cleary | Daughter | — | 10 | ~1930 |
| David Cleary | Son | — | 2 | ~1938 |
| James Cleary | Son | — | 8 | ~1932 |
| Rose Cleary | Spouse | — | 32 | ~1908 |
| James Cleary | Head | — | 38 | ~1902 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age
Allegheny, Pennsylvania · implied b. ~1930 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cleary |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 10
Allegheny-County, Pennsylvania · implied b. ~1930 — 7 household members
| Surname | Cleary |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Brentwood |
| 1935 Residence (County) | Allegheny |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 10 · b. ~1930 · Pennsylvania
★ You are viewing this record
Sibling
Joan Cleary
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Cleary
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosemarie Cleary
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Cleary
Sibling · 1940 · age 2
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-03399-00221)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joyce A. Baxter | 4 | Daughter | — | Pennsylvania |
| 42 | Stuart L. Baxter | 0 | Son | — | Pennsylvania |
| 43 | James P. Cleary | 38 | Head | Laborer | Pennsylvania |
| 44 | Rose K. Cleary | 32 | Wife | — | Pennsylvania |
| 45 | Rosemarie Cleary | 12 | Daughter | — | Pennsylvania |
| 46 | Mary Jane Cleary THIS PERSON | 10 | Daughter | — | Pennsylvania |
| 47 | James Cleary | 8 | Son | — | Pennsylvania |
| 48 | Joan Cleary | 4 | Daughter | — | Pennsylvania |
| 49 | David Cleary | 2 | Son | — | Pennsylvania |
| 50 | Louis J. Mccluskey | 59 | Head | Superintendent | Pennsylvania |
| 51 | Catherine M. Mccluskey | 53 | Wife | — | Pennsylvania |
| 52 | Earl R. Wingrove | 32 | Head | Teacher | Pennsylvania |
| 53 | Margaret C. Wingrove | 28 | Wife | — | Pennsylvania |
| 54 | Earl Jr. Wingrove | 9 | Son | — | Pennsylvania |
| 55 | Nancy C. Wingrove | 5 | Daughter | — | Pennsylvania |
| 56 | Ceasar P. Arnoni | 25 | Head | Manager | Pennsylvania |
| 57 | Stella M. Arnoni | 27 | Wife | — | Pennsylvania |
| 58 | Nicola Ventura | 62 | Father-in-law | Painter | Italy |
| 59 | Vincent M. Mccarthy | 42 | Head | Chauffeur | Pennsylvania |
| 60 | Mildred M. Mccarthy | 38 | Wife | — | Pennsylvania |
| 65 | Walter J. Laska | 35 | Head | Attorney | Pennsylvania |
| 66 | Mary L. Laska | 32 | Wife | — | Pennsylvania |
| 67 | Walter J. Laska | 6 | Son | — | Pennsylvania |
| 68 | Martin R. Laska | 3 | Son | — | Pennsylvania |
| 69 | Lawrence K. Laska | 2 | Son | — | Pennsylvania |
| 70 | Mary L. Laska | 0 | Daughter | — | Pennsylvania |
| 71 | Ernest J. Ustel | 50 | Head | Storekeeper | New York |
| 72 | Dora M. Ustel | 48 | Wife | — | Pennsylvania |
| 73 | Mabel A. Pomeroy | 72 | Mother-in-law | — | Pennsylvania |
| 74 | Annie P. Doyle | 63 | Head | — | Pennsylvania |
| 75 | David G. Brown | 29 | Son-in-law | Clerk | Pennsylvania |
| 76 | Anna C. Brown | 29 | Daughter | — | Pennsylvania |
| 77 | David Brown | 3 | Grandson | — | Pennsylvania |
| 78 | Joseph D. Kinner | 36 | Head | Warehouse Clerk | Ohio |
| 79 | Grace C. Kinner | 40 | Wife | — | Pennsylvania |
| 80 | Leslie G. Kinner | 14 | Son | — | Pennsylvania |
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)