MV
Mary Valentine — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mary Valentine across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Valentine |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1929 |
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 |
|---|---|---|---|---|
| Lillibelle Valentine | Daughter | — | 6 | ~1934 |
| Alice Valentine | Daughter | — | 3 | ~1937 |
| Cora Valentine | Spouse | — | 29 | ~1911 |
| Mary Valentine | Daughter | — | 11 | ~1929 |
| Carol Valentine | Daughter | — | 1 | ~1939 |
| Margaret Valentine | Daughter | — | 4 | ~1936 |
| Betty Valentine | Daughter | — | 9 | ~1931 |
| Harvey Valentine | Head | — | 35 | ~1905 |
| Harvey Valentine | Son | — | 7 | ~1933 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age 1
Allegheny, Pennsylvania · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Valentino |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Wisconsin |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 11
Allegheny-County, Pennsylvania · implied b. ~1929 — 9 household members
| Surname | Valentine |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Income (1939) | 0 |
| Highest Grade | H 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 Valentine across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Valentine
Daughter · 1940 · age 11 · b. ~1929 · Pennsylvania
★ You are viewing this record
Sibling
Harvey Valentine
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carol Valentine
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Valentine
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillibelle Valentine
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Valentine
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Valentine
Sibling · 1940 · age 3
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
40 people indexed on this census page (nara:1940:m-t0627-03670-00254)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph Palombini | 56 | Head | Laborer | Italy |
| 42 | Rose Palombini | 51 | Wife | Laborer | Italy |
| 43 | Guerino Palombini | 19 | Son | — | Pennsylvania |
| 44 | Cecilia Palombini | 17 | Daughter | — | Pennsylvania |
| 45 | Joseph Palombini | 8 | Son | — | Pennsylvania |
| 46 | Clarence A. Gallo | 33 | Head | Counter Clerk | Pennsylvania |
| 47 | Charlotte A. Gallo | 28 | Wife | — | Pennsylvania |
| 48 | Rose L. Meehan | 42 | Head | Cook | Ireland-Northern |
| 49 | Eugene J. Meehan | 14 | Son | — | Pennsylvania |
| 50 | Mary L. Meehan | 12 | Daughter | — | Pennsylvania |
| 51 | Rita Meehan | 10 | Daughter | — | Pennsylvania |
| 52 | John Meehan | 12 | Son | — | Pennsylvania |
| 53 | William T. Bell | 65 | Head | — | Pennsylvania |
| 54 | Eleanor Bell | 62 | Wife | — | Pennsylvania |
| 55 | John G. Bell | 36 | Son | Law Clerk | Pennsylvania |
| 56 | Helen C. Bell | 31 | Daughter | Law Clerk | Pennsylvania |
| 57 | Harvey Valentine | 35 | Head | Construction Man | Michigan |
| 58 | Cora D. Valentine | 29 | Wife | — | Pennsylvania |
| 59 | Mary J. Valentine THIS PERSON | 11 | Daughter | — | Pennsylvania |
| 60 | Betty Valentine | 9 | Daughter | — | Pennsylvania |
| 61 | Harvey Jr. Valentine | 7 | Son | — | Pennsylvania |
| 62 | Lillibelle Valentine | 6 | Daughter | — | Pennsylvania |
| 63 | Margaret A. Valentine | 4 | Daughter | — | Pennsylvania |
| 64 | Alice M. Valentine | 3 | Daughter | — | Pennsylvania |
| 65 | Carol A. Valentine | 1 | Daughter | — | Pennsylvania |
| 66 | Fred E. Gogolin | 38 | Head | Truck Driver | Pennsylvania |
| 67 | Edna M. Gogolin | 34 | Wife | — | Pennsylvania |
| 68 | Mabel Gogolin | 19 | Daughter | — | Pennsylvania |
| 69 | Cora M. Elliott | 18 | Daughter | — | Pennsylvania |
| 70 | Herbert Elliott | 16 | Son-in-law | — | Pennsylvania |
| 71 | Raymond E. Elliott | 14 | Son | — | Pennsylvania |
| 72 | Alfred Midgley | 50 | Head | Laborer | Pennsylvania |
| 73 | Josephine Midgley | 49 | Wife | — | Germany |
| 74 | Alfred R. Midgley | 18 | Son | — | Pennsylvania |
| 75 | Robert H. Midgley | 16 | Son | — | Pennsylvania |
| 76 | Jack S. Midgley | 9 | Son | — | Pennsylvania |
| 77 | James E. Midgley | 7 | Son | — | Pennsylvania |
| 78 | Alice Becker | 33 | Boarder | Claims Adjuster | Pennsylvania |
| 79 | Carl Jr. Becker | 9 | Boarder | — | Pennsylvania |
| 80 | Joseph D. Mckillen|Mckillin | 77 | Head | Electrician | 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)