MD
Mary Devine — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mary Devine across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 8-person household.
Age 18
b. ~1922
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Devine |
| Given Name | Mary H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Marshall twp. |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | House Worker |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 72 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | House Worker |
| Township / Ward | Marshall Twp |
| Est. Birth Year | ~1922 |
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 |
|---|---|---|---|---|
| Edward Devine | Head | — | 45 | ~1895 |
| Mary Devine | Daughter | — | 18 | ~1922 |
| Florence Devine | Daughter | — | 14 | ~1926 |
| James Devine | Son | — | 12 | ~1928 |
| Edward Devine | Son | — | 15 | ~1925 |
| Paul Devine | Son | — | 8 | ~1932 |
| Theresa Devine | Daughter | — | 17 | ~1923 |
| Rose Devine | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age 7
Allegheny, Pennsylvania · implied b. ~1923 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Devine |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland free state |
| Mother's Birthplace | Ireland free state |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 18
Allegheny-County, Pennsylvania · implied b. ~1922 — 8 household members
| Surname | Devine |
| Given Name | Mary H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Marshall twp. |
| 1935 Residence (County) | Allegheny |
| Occupation | House Worker |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 72 |
| 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 Devine across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Devine
Daughter · 1940 · age 18 · b. ~1922 · Pennsylvania
★ You are viewing this record
Sibling
Theresa Devine
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Devine
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Devine
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Devine
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Devine
Sibling · 1940 · age 14
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-t0627-03407-00265)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Catherine E. Mcclintock | 77 | Sister | — | Pennsylvania |
| 2 | Abbie M. Derr | 61 | Sister | — | Pennsylvania |
| 3 | Edward G. Brooke | 73 | Head | — | Pennsylvania |
| 4 | Charles A. @ Sedlak | 54 | Head | Road Laborer | Bohemia |
| 5 | Eleanor C. Sedlak | 49 | Wife | — | Pennsylvania |
| 6 | Earl P. @ Eschenbaugh | 55 | Head | — | New York |
| 7 | Maude E. Eschenbaugh | 39 | Wife | — | Pennsylvania |
| 8 | Donald F. Eschenbaugh | 18 | Son | — | Pennsylvania |
| 9 | Vernon P. Eschenbaugh | 15 | Son | — | Pennsylvania |
| 10 | Doris J. Eschenbaugh | 13 | Daughter | — | Pennsylvania |
| 11 | Vera J. Eschenbaugh | 11 | Daughter | — | Pennsylvania |
| 12 | Leona J. Eschenbaugh | 9 | Daughter | — | Pennsylvania |
| 13 | Linda L. Eschenbaugh | 1 | Daughter | — | Pennsylvania |
| 14 | Edward H. Devine | 45 | Head | Caretaker | Pennsylvania |
| 15 | Rose M. D. Devine | 38 | Wife | — | Pennsylvania |
| 16 | Mary H. Devine THIS PERSON | 18 | Daughter | House Worker | Pennsylvania |
| 17 | Theresa V. Devine | 17 | Daughter | — | Pennsylvania |
| 18 | Edward C. Devine | 15 | Son | — | Pennsylvania |
| 19 | Florence E. Devine | 14 | Daughter | — | Pennsylvania |
| 20 | James F. Devine | 12 | Son | — | Pennsylvania |
| 21 | Paul J. Devine | 8 | Son | — | Pennsylvania |
| 22 | Elmer B. Devine | 51 | Head | Farmer | Pennsylvania |
| 23 | Susan Devine | 60 | Sister | House Work | Pennsylvania |
| 24 | Emily B. Devine | 48 | Sister | — | Pennsylvania |
| 25 | Albert Mccauley | 91 | Head | — | Pennsylvania |
| 26 | Vila M. @ Mccauley | 47 | Daughter | — | Pennsylvania |
| 27 | Francis J. Ligday | 43 | Head | Claim Adjuster | Germany |
| 28 | Elizabeth C. @ Ligday | 42 | Wife | — | Pennsylvania |
| 29 | Bertha J. Ligday | 13 | Daughter | — | Pennsylvania |
| 30 | William Ligday | 11 | Son | — | Pennsylvania |
| 31 | Betty C. Ligday | 10 | Daughter | — | Pennsylvania |
| 32 | John J. Ligday | 9 | Son | — | Pennsylvania |
| 33 | Terrance Ligday | 7 | Son | — | Pennsylvania |
| 34 | Mary M. Ligday | 5 | Daughter | — | Pennsylvania |
| 35 | Francis J. Ligday | 2 | Son | — | Pennsylvania |
| 36 | Charles R. Stevens | 32 | Head | Truck Driver | Pennsylvania |
| 37 | Hilda E. @ Stevens | 33 | Wife | — | Pennsylvania |
| 38 | Shirley E. Stevens | 9 | Daughter | — | Pennsylvania |
| 39 | George F. Traver | 59 | Head | Superintendent | Pennsylvania |
| 40 | Adeline L. @ Traver | 64 | Wife | — | 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)