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Josephine Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Josephine Martin across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 9-person household.
Age 20
b. ~1920
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Martin |
| Given Name | Josephine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | New Worker |
| Industry | Mattress Factory |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 496 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | New Worker |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1920 |
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 Josephine | Age | Birth yr |
|---|---|---|---|---|
| Josephine Martin | Daughter | — | 20 | ~1920 |
| Jennie Martin | Spouse | — | 39 | ~1901 |
| Thomas Martin | Son | — | 17 | ~1923 |
| Minnie Martin | Daughter | — | 18 | ~1922 |
| Thomas Martin | Head | — | 43 | ~1897 |
| Margaret Martin | Daughter | — | 13 | ~1927 |
| Carolyn Martin | Daughter | — | 15 | ~1925 |
| Joseph Martin | Son | — | 8 | ~1932 |
| Helen Martin | Daughter | — | 11 | ~1929 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age 10
Allegheny, Pennsylvania · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Josephine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 20
Allegheny-County, Pennsylvania · implied b. ~1920 — 9 household members
| Surname | Martin |
| Given Name | Josephine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | New Worker |
| Industry | Mattress Factory |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 496 |
| 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 Josephine Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Josephine Martin
Daughter · 1940 · age 20 · b. ~1920 · Pennsylvania
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Sibling
Helen Martin
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Martin
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Martin
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Martin
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Minnie Martin
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carolyn Martin
Sibling · 1940 · age 15
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-t0627-03656-00263)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George (X) Mehaffey | 44 | Head | Inspector | Pennsylvania |
| 2 | Emma Mehaffey | 42 | Wife | — | Pennsylvania |
| 3 | George Mehaffey | 16 | Son | — | Pennsylvania |
| 4 | Donald Mehaffey | 8 | Son | — | Pennsylvania |
| 5 | Grace Mehaffey | 8 | Daughter | — | Pennsylvania |
| 6 | Charlotte Mehaffey | 5 | Daughter | — | Pennsylvania |
| 7 | Bridgett (X) Paris | 65 | Head | Landlady | Italy |
| 8 | Michael Guina | 33 | Head | Line Keeper | Pennsylvania |
| 9 | Eleanor (X) Guina | 33 | Wife | — | Pennsylvania |
| 10 | Thomas Guina | 4 | Son | — | Pennsylvania |
| 11 | Peter Stancampiano | 62 | Head | Carpenter | Italy |
| 12 | Filipina (X) Stancampiano | 57 | Wife | — | Italy |
| 13 | Oreste Ricci | 40 | Head | Laborer | Italy |
| 14 | Anna (X) Ricci | 36 | Wife | — | Pennsylvania |
| 15 | Lillian Ricci | 9 | Daughter | — | Pennsylvania |
| 16 | Victoria Ricci | 7 | Daughter | — | Pennsylvania |
| 17 | Thomas Martin | 43 | Head | Truck Driver | Italy |
| 18 | Jennie (X) Martin | 39 | Wife | — | Italy |
| 19 | Josephine Martin THIS PERSON | 20 | Daughter | New Worker | Pennsylvania |
| 20 | Minnie Martin | 18 | Daughter | Sewing | Pennsylvania |
| 21 | Thomas Martin | 17 | Son | New Worker | Pennsylvania |
| 22 | Carolyn Martin | 15 | Daughter | — | Pennsylvania |
| 23 | Margaret Martin | 13 | Daughter | — | Pennsylvania |
| 24 | Helen Martin | 11 | Daughter | — | Pennsylvania |
| 25 | Joseph Martin | 8 | Son | — | Pennsylvania |
| 26 | Matthew Caracciolo | 46 | Head | Night Watchman | Italy |
| 27 | Mary (X) Caracciolo | 38 | Wife | — | Pennsylvania |
| 28 | Sarah Caracciolo | 19 | Daughter | New Worker | Pennsylvania |
| 29 | Amelia Caracciolo | 16 | Daughter | — | Pennsylvania |
| 30 | Lawrence Caracciolo | 15 | Son | — | Pennsylvania |
| 31 | Josephine Caracciolo | 14 | Daughter | — | Pennsylvania |
| 32 | Lewis Caracciolo | 12 | Son | — | Pennsylvania |
| 33 | Matthew Jr Caracciolo | 10 | Son | — | Pennsylvania |
| 34 | Vincent Caracciolo | 8 | Son | — | Pennsylvania |
| 35 | Alfred Caracciolo | 7 | Son | — | Pennsylvania |
| 36 | Anthony Caracciolo | 5 | Son | — | Pennsylvania |
| 37 | Robert Kohl | 55 | Head | Electrician | Pennsylvania |
| 38 | Howard Kohl | 24 | Son | Painting | Pennsylvania |
| 39 | William Taulion | 46 | Head | Barber | Pennsylvania |
| 40 | Elizabeth Taulion | 34 | 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)