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Lillian Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Lillian Martin across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1918), then head of a 8-person household.
Age 22
b. ~1918
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Martin |
| Given Name | Lillian M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1918 |
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 Lillian | Age | Birth yr |
|---|---|---|---|---|
| John Martin | Son | — | 25 | ~1915 |
| Madeline Martin | Daughter | — | 16 | ~1924 |
| Lillian Martin | Daughter | — | 22 | ~1918 |
| Betty Martin | Daughter | — | 20 | ~1920 |
| John Martin | Head | — | 51 | ~1889 |
| Barbara Martin | Spouse | — | 46 | ~1894 |
| Dorothy Martin | Daughter | — | 14 | ~1926 |
| William Martin | Son | — | 24 | ~1916 |
Census Appearances
1920
Allegheny, Pennsylvania
Daughter, age 1
Allegheny, Pennsylvania · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Austria |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 12
Allegheny, Pennsylvania · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Lillian M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Yugoslavia-Austria |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 22
Allegheny-County, Pennsylvania · implied b. ~1918 — 8 household members
| Surname | Martin |
| Given Name | Lillian M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| 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 Lillian Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Martin (~0.92 confidence) and father John Martin (~0.92 confidence) and mother Barbara Martin (~0.92 confidence) and mother Barbara Martin (~0.92 confidence) and mother Barbara Martin (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Martin
b. ~1883
Source father
● Household
· direct · ~0.92
Father
John Martin
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Barbara Martin
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Barbara Martin
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Barbara Martin
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lillian Martin
Daughter · 1940 · age 22 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
John Martin
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Madeline Martin
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Martin
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Martin
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Martin
Sibling · 1940 · age 24
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
37 people indexed on this census page (nara:1940:m-t0627-03674-00469)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ralph F. Bernstein | 35 | Head | Manager | Pennsylvania |
| 2 | Stella R. Bernstein | 31 | Wife | — | Pennsylvania |
| 3 | James R. Bernstein | 1 | Son | — | Pennsylvania |
| 4 | John Martin | 51 | Head | Bar Tender | Hungary |
| 5 | Barbara Martin | 46 | Wife | — | Austria |
| 6 | John W. Martin | 25 | Son | Trainman | Pennsylvania |
| 7 | William E. Martin | 24 | Son | Canvasser | Pennsylvania |
| 8 | Lillian M. Martin THIS PERSON | 22 | Daughter | — | Pennsylvania |
| 9 | Betty J. Martin | 20 | Daughter | New Worker | Pennsylvania |
| 10 | Madeline R. Martin | 16 | Daughter | — | Pennsylvania |
| 11 | Dorothy V. Martin | 14 | Daughter | — | Pennsylvania |
| 12 | William E. Wuchele | 49 | Head | Huckster | Pennsylvania |
| 13 | Evelyn H. Wuchele | 45 | Wife | — | Pennsylvania |
| 14 | Robert J. Owens | 21 | Lodger | Glazier Apprentice | Pennsylvania |
| 15 | Frank Price | 42 | Head | Shipper | Pennsylvania |
| 16 | Mildred L. Price | 43 | Wife | — | Pennsylvania |
| 17 | Louis Price | 22 | Son | Truck Driver | Pennsylvania |
| 18 | Clifford P. Price | 17 | Son | — | Pennsylvania |
| 19 | Frank L. Price | 14 | Son | — | Pennsylvania |
| 20 | Harris I. Price | 4 | Son | — | Pennsylvania |
| 21 | David C. Price | 45 | Head | Laborer | Pennsylvania |
| 22 | Bertha H. Price | 43 | Wife | — | Pennsylvania |
| 23 | Elizabeth G. Price | 21 | Daughter | Telephone Operator | Pennsylvania |
| 24 | Jean E. Price | 19 | Daughter | Elevator Operator | Pennsylvania |
| 25 | Claire M. Price | 17 | Daughter | — | Pennsylvania |
| 26 | David C. Price | 15 | Son | — | Pennsylvania |
| 27 | Walter F. Von Arx | 42 | Head | General Odd Jobs | Pennsylvania |
| 28 | Marie A. Von Arx | 41 | Wife | — | Pennsylvania |
| 29 | William J. Rathke | 28 | Son-in-law | Shipper | Pennsylvania |
| 30 | Dorothy E. Rathke | 20 | Daughter | — | Pennsylvania |
| 31 | Albert S. Hamilton | 58 | Head | Special Patrolman | Pennsylvania |
| 32 | Wilhemina Hamilton | 68 | Wife | — | Pennsylvania |
| 33 | John P. Bulna | 36 | Head | Dentist | Pennsylvania |
| 34 | Anna F. Bulna | 38 | Sister | — | Pennsylvania |
| 35 | Anna C. Bulna | 56 | Mother | — | Czecho-Slovakia |
| 36 | Theodore Sunal | 23 | Head | Automobile Mechanic | Pennsylvania |
| 37 | John Popovich | 48 | Lodger | Pick & Shovel Laborer | Czecho-Slovakia |
Related Census Records
Pedigree Summary
Lillian + 5 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)