JT
Jennie Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Pennsylvania
Our Model Tree links this Jennie Thomas across the 1930 and 1940 US Censuses in Montgomery-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 10-person household.
Age 14
b. ~1926
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Pennsylvania |
| Surname | Thomas |
| Given Name | Jennie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Whitemarsh |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Whitemarsh |
| Est. Birth Year | ~1926 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jennie | Age | Birth yr |
|---|---|---|---|---|
| Jennie Thomas | Daughter | — | 14 | ~1926 |
| Annie Thomas | Spouse | — | 50 | ~1890 |
| Nicholas Thomas | Son | — | 15 | ~1925 |
| Helen Thomas | Daughter | — | 8 | ~1932 |
| Katherine Thomas | Daughter | — | 20 | ~1920 |
| Stephen Thomas | Son | — | 13 | ~1927 |
| Eva Thomas | Daughter | — | 18 | ~1922 |
| Sophie Thomas | Daughter | — | 16 | ~1924 |
| Alexander Thomas | Head | — | 60 | ~1880 |
| Pauline Thomas | Daughter | — | 11 | ~1929 |
Census Appearances
1930
Delaware, Pennsylvania
Daughter, age 3
Delaware, Pennsylvania · implied b. ~1927 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Jennie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Montgomery-County, Pennsylvania
Daughter, age 14
Montgomery-County, Pennsylvania · implied b. ~1926 — 10 household members
| Surname | Thomas |
| Given Name | Jennie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Whitemarsh |
| 1935 Residence (County) | Montgomery |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 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 Jennie Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jennie Thomas
Daughter · 1940 · age 14 · b. ~1926 · Pennsylvania
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Sibling
Helen Thomas
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Thomas
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stephen Thomas
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pauline Thomas
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eva Thomas
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sophie Thomas
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nicholas Thomas
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 — Montgomery-County, Pennsylvania
Open full size
1940 US Federal Census — Montgomery-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03586-00290)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Laura Myerg | 54 | Wife | — | Pennsylvania |
| 2 | Arthur Lukas | 41 | Lodger | Farm Hand | Pennsylvania |
| 3 | Charles Canfield | 44 | Head | Merchant | Pennsylvania |
| 4 | Evelyn Canfield | 42 | Wife | — | Pennsylvania |
| 5 | Harley Canfield | 18 | Son | — | Pennsylvania |
| 6 | John Canfield | 12 | Son | — | Pennsylvania |
| 7 | Carl Canfield | 10 | Son | — | Pennsylvania |
| 8 | Evelyn Canfield | 7 | Daughter | — | Pennsylvania |
| 9 | William Macelwee | 44 | Head | Laborer | Ohio |
| 10 | Ruth Macelwee | 37 | Wife | — | New Jersey |
| 11 | Mary Macelwee | 15 | Daughter | — | Maryland |
| 12 | Carl Macelwee | 8 | Son | — | Pennsylvania |
| 13 | Joseph Macelwee | 5 | Son | — | Pennsylvania |
| 14 | Harvey Rummer | 37 | Head | Laborer | Pennsylvania |
| 15 | Alexander Thomas | 60 | Head | Laborer | Austria |
| 16 | Annie Thomas | 50 | Wife | — | Austria |
| 17 | Katherine Thomas | 20 | Daughter | Waitress | Pennsylvania |
| 18 | Eva Thomas | 18 | Daughter | Housemaid | Pennsylvania |
| 19 | Sophie Thomas | 16 | Daughter | Housemaid | Pennsylvania |
| 20 | Nicholas Thomas | 15 | Son | — | Pennsylvania |
| 21 | Jennie Thomas THIS PERSON | 14 | Daughter | — | Pennsylvania |
| 22 | Stephen Thomas | 13 | Son | — | Pennsylvania |
| 23 | Pauline Thomas | 11 | Daughter | — | Pennsylvania |
| 24 | Helen Thomas | 8 | Daughter | — | Pennsylvania |
| 25 | Michael Maglio | 49 | Head | Laborer | Italy |
| 26 | Pauline Maglio | 45 | Wife | — | Italy |
| 27 | Walter Maglio | 20 | Son | Laborer | Pennsylvania |
| 28 | Frances Maglio | 18 | Daughter | — | Pennsylvania |
| 29 | Joseph Forgione | 31 | Head | Laborer | Pennsylvania |
| 30 | Mildred Forgione | 25 | Wife | — | New Jersey |
| 31 | Marta Forgione | 7 | Daughter | — | Pennsylvania |
| 32 | Theresa Forgione | 5 | Daughter | — | Pennsylvania |
| 33 | Frank Galanti | 29 | Head | Welder | Italy |
| 34 | Carmella Galanti | 25 | Wife | — | Pennsylvania |
| 35 | Dominick Galanti | 5 | Son | — | Pennsylvania |
| 36 | Frank Galanti | 1 | Son | — | Pennsylvania |
| 37 | Dreeper Karr | 37 | Head | Butcher | Pennsylvania |
| 38 | Elizabeth Karr | 27 | Wife | — | Pennsylvania |
| 39 | Maudren Karr | 9 | Son | — | Pennsylvania |
| 40 | Mary Karr | 8 | Daughter | — | 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)