EM
Elizabeth Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Elizabeth Martin across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 6-person household.
Age 53
b. ~1887
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Martin |
| Given Name | Elizabeth |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Munhall |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Industry | none |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Munhall |
| Est. Birth Year | ~1887 |
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 Elizabeth | Age | Birth yr |
|---|---|---|---|---|
| Johnathan Martin | Head | — | 54 | ~1886 |
| Thomas Martin | Son | — | 30 | ~1910 |
| Roy Martin | Son | — | 21 | ~1919 |
| Walther Martin | Son | — | 19 | ~1921 |
| Russell Martin | Son | — | 13 | ~1927 |
| Elizabeth Martin | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Allegheny, Pennsylvania
Spouse, age 33
Allegheny, Pennsylvania · implied b. ~1887 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Elizabeth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Allegheny, Pennsylvania
Spouse, age 42
Allegheny, Pennsylvania · implied b. ~1888 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Elizabeth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 19 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Allegheny-County, Pennsylvania
Spouse, age 53
Allegheny-County, Pennsylvania · implied b. ~1887 — 6 household members
| Surname | Martin |
| Given Name | Elizabeth |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Munhall |
| 1935 Residence (County) | Allegheny |
| Industry | none |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Elizabeth Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Elizabeth Martin
Spouse · 1940 · age 53 · b. ~1887 · Pennsylvania
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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-t0627-03412-00298)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sally Freed | 29 | wife | None | Pennsylvania |
| 2 | Raymond Schwenley | 31 | head | Carpenter | Pennsylvania |
| 3 | Dorothy B. Schwenley | 27 | wife | — | Pennsylvania |
| 4 | Raymond Jr. Schwenley | 3 | son | — | — |
| 5 | Lavinia Furlong | 67 | head | — | Tennessee |
| 6 | Sarah Foster | 67 | sister | — | Tennessee |
| 7 | Ralph Collins | 30 | lodger | Chipper | Pennsylvania |
| 8 | Carl Adamitz | 40 | head | Ind. Helper | Pennsylvania |
| 9 | Amelia Adamitz | 43 | wife | — | Pennsylvania |
| 10 | Elna Adamitz | 18 | daughter | — | Pennsylvania |
| 11 | Richard Adamitz | 17 | son | — | Pennsylvania |
| 12 | Willard Adamitz | 15 | son | — | Pennsylvania |
| 13 | Wanda Adamitz | 13 | daughter | — | Pennsylvania |
| 14 | Oliver Adamitz | 10 | son | — | Pennsylvania |
| 15 | Emilia Adamitz | 3 | daughter | — | — |
| 16 | Hattie New-Hook | 67 | mother-in-law | — | Germany |
| 17 | Clyde Swenson | 34 | brother-in-law | Electrician | Pennsylvania |
| 18 | Wanda Swenson | 34 | sis-in-law | Teacher | Pennsylvania |
| 19 | Louis Quickley | 43 | head | Roller | Pennsylvania |
| 20 | Mildred Quickley | 37 | wife | — | Ohio |
| 21 | Louis Jr. Quickley | 14 | son | — | Pennsylvania |
| 22 | Carlton Quickley | 7 | son | — | Pennsylvania |
| 23 | Clarence E. Roberts | 40 | head | Laborer | Pennsylvania |
| 24 | Gladys Roberts | 35 | wife | — | Pennsylvania |
| 25 | Thelma Roberts | 7 | daughter | — | Pennsylvania |
| 26 | Johnathan Martin | 54 | head | Engineer | Pennsylvania |
| 27 | Elizabeth Martin THIS PERSON | 53 | wife | — | Iowa |
| 28 | Thomas Martin | 30 | son | Clerk | Pennsylvania |
| 29 | Roy Martin | 21 | son | Clerk | Pennsylvania |
| 30 | Walther Martin | 19 | son | — | Pennsylvania |
| 31 | Russell Martin | 13 | son | — | Pennsylvania |
| 32 | Mary Spidle | 46 | head | — | Pennsylvania |
| 33 | Lorna Spidle | 23 | daughter | Clerk | Pennsylvania |
| 34 | James King | 59 | head | — | Ireland |
| 35 | Anna King | 57 | wife | — | Ireland |
| 36 | James J. King | 35 | son | Clerk | Pennsylvania |
| 37 | Michael King | 34 | son | Craneman | Pennsylvania |
| 38 | Catherine King | 32 | daughter | Credit-Clerk | Pennsylvania |
| 39 | Joseph King | 29 | son | Salesman | Pennsylvania |
| 40 | John King | 27 | son | Laborer | Pennsylvania |
Related Census Records
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)