MM
Mary Marshall — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Pennsylvania
Our Model Tree links this Mary Marshall across the 1920, 1930 and 1940 US Censuses in Washington-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 6-person household.
Age 52
b. ~1888
Female
Spouse
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Pennsylvania |
| Surname | Marshall |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Marianna Borough |
| 1935 Residence (County) | Washington |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Marianna Borough |
| Est. Birth Year | ~1888 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Marshall | Daughter | — | 19 | ~1921 |
| Mary Marshall | Daughter | — | 10 | ~1930 |
| Archie Marshall | Head | — | 49 | ~1891 |
| James Marshall | Son | — | 28 | ~1912 |
| Thomas Marshall | Son | — | 23 | ~1917 |
| Mary Marshall | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Allegheny, Pennsylvania
Spouse, age 35
Allegheny, Pennsylvania · implied b. ~1885 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marshall |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1912 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Allegheny, Pennsylvania
Other, age 41
Allegheny, Pennsylvania · implied b. ~1889 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marshall |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1911 |
| Age at First Marriage | 23 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Washington-County, Pennsylvania
Spouse, age 52
Washington-County, Pennsylvania · implied b. ~1888 — 6 household members
| Surname | Marshall |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Marianna Borough |
| 1935 Residence (County) | Washington |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Marshall across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Marshall
Spouse · 1940 · age 52 · b. ~1888 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Washington-County, Pennsylvania
Open full size
1940 US Federal Census — Washington-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03624-00292)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Archie Marshall | 49 | Head | Miner | Scotland |
| 42 | Mary Marshall THIS PERSON | 52 | Wife | — | Scotland |
| 43 | James Marshall | 28 | Son | Motorman | Scotland |
| 44 | Thomas Marshall | 23 | Son | Miner | Scotland |
| 45 | Elizabeth Marshall | 19 | Daughter | Saleslady | Scotland |
| 46 | Mary Marshall | 10 | Daughter | — | Pennsylvania |
| 47 | Edw. Seppo | 48 | Head | 35 | Pennsylvania |
| 48 | Bessie Seppo | 38 | Wife | — | Pennsylvania |
| 49 | Harry Seppo | 19 | Son | — | Pennsylvania |
| 50 | John E. Seppo | 15 | Son | — | Pennsylvania |
| 51 | Lee Seppo | 13 | Son | — | Pennsylvania |
| 52 | Fay Seppo | 4 | Son | — | Pennsylvania |
| 53 | Frank Bryan | 53 | Head | Miner | Italy |
| 54 | Theresa Bryan | 46 | Wife | — | Italy |
| 55 | Tony Bryan | 26 | Son | Snapper | Pennsylvania |
| 56 | Lawrence Bryan | 18 | Son | Miner | Pennsylvania |
| 57 | Dominick Bryan | 14 | Son | — | Pennsylvania |
| 58 | Mary Bryan | 11 | Daughter | — | Pennsylvania |
| 59 | D. Loris Bryan | 9 | Daughter | — | Pennsylvania |
| 60 | John Nelson | 53 | Head | Fireboss | Scotland |
| 61 | Elizabeth Nelson | 51 | Wife | — | Scotland |
| 62 | Alexander Nelson | 15 | Son | — | Pennsylvania |
| 63 | Ann Nelson | 13 | Daughter | — | Pennsylvania |
| 64 | Jack Nelson | 12 | Son | — | Pennsylvania |
| 65 | Dorothy Nelson | 8 | Daughter | — | Pennsylvania |
| 66 | Robert Nelson | 6 | Son | — | Pennsylvania |
| 67 | Edwin Matthette | 1 | Grandson | — | Washington D.C. |
| 68 | John Williamson | 47 | Head | Fireboss | Pennsylvania |
| 69 | Esther Williamson | 42 | Wife | — | Pennsylvania |
| 70 | Albert Williamson | 20 | Son | Miner | Pennsylvania |
| 71 | Grace Williamson | 15 | Daughter | — | Pennsylvania |
| 72 | John P. Williamson | 6 | Son | — | Pennsylvania |
| 73 | John A. Sonnier | 18 | Nephew | Miner | Pennsylvania |
| 74 | Thomas Motherspoon | 54 | Head | Waywork | Scotland |
| 75 | Margaret Motherspoon | 50 | Wife | — | Scotland |
| 76 | James Motherspoon | 21 | Son | Miner | Pennsylvania |
| 77 | William Motherspoon | 16 | Son | — | Pennsylvania |
| 78 | Thomas Motherspoon | 14 | Son | — | Pennsylvania |
| 79 | Marjorie Motherspoon | 13 | Daughter | — | Pennsylvania |
| 80 | William Alland | 45 | Nephew | 28 | Scotland |
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)