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Mary Gibbons — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Pennsylvania
Our Model Tree links this Mary Gibbons across the 1930 and 1940 US Censuses in Montgomery-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 7-person household.
Age 25
b. ~1915
Female
Daughter
Born: Penna
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Pennsylvania |
| Surname | Gibbons |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | East Conshohocken Borough |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Cigar Maker |
| Industry | Cigar Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Occupation | Cigarmaker |
| Township / Ward | East Conshohocken Borough |
| Est. Birth Year | ~1915 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Joseph Gibbons | Head | — | 54 | ~1886 |
| Helen Gibbons | Daughter | — | 23 | ~1917 |
| Helen Gibbons | Spouse | — | 52 | ~1888 |
| Agnes Gibbons | Daughter | — | 17 | ~1923 |
| Margaret Gibbons | Daughter | — | 15 | ~1925 |
| Mary Gibbons | Daughter | — | 25 | ~1915 |
| Thomas Gibbons | Son | — | 13 | ~1927 |
Census Appearances
1930
Montgomery, Pennsylvania
Daughter, age 15
Montgomery, Pennsylvania · implied b. ~1915 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gibbons |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Penna. |
| Father's Birthplace | Penna. |
| Mother's Birthplace | Penna. |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Montgomery-County, Pennsylvania
Daughter, age 25
Montgomery-County, Pennsylvania · implied b. ~1915 — 7 household members
| Surname | Gibbons |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | East Conshohocken Borough |
| 1935 Residence (County) | Montgomery |
| Occupation | Cigar Maker |
| Industry | Cigar Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
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 Gibbons across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Gibbons
Daughter · 1940 · age 25 · b. ~1915 · Pennsylvania
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Sibling
Agnes Gibbons
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Gibbons
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Gibbons
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Gibbons
Sibling · 1940 · age 13
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-t0627-03586-00084)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Maguire | 27 | son | Stenographer | Penna |
| 2 | Gertrude Maguire | 25 | daughter | Cutter | Penna |
| 3 | Stanley Novak | 44 | head | Caretaker | Poland |
| 4 | Catherine Novak | 44 | wife | — | Poland |
| 5 | Laura Novak | 27 | daughter | Cigar Maker | Penna |
| 6 | Sarah Novak | 25 | daughter | Cigar Maker | Penna |
| 7 | Genevieve Novak | 17 | daughter | — | Penna |
| 8 | Stella Novak | 16 | daughter | — | Penna |
| 9 | Stanley Novak | 14 | son | — | Penna |
| 10 | Caswell Novak | 11 | son | — | Penna |
| 11 | Joseph S. Pultorak | 28 | head | Puncher | Penna |
| 12 | Bertha Pultorak | 28 | wife | — | New York |
| 13 | Theresa Marie Pultorak | 4 | daughter | — | Penna |
| 14 | Joan Ann Pultorak | 2 | daughter | — | Penna |
| 15 | Joseph D. Gibbons | 54 | head | Watchman | Penna |
| 16 | Helen Gibbons | 52 | wife | — | Penna |
| 17 | Mary Gibbons THIS PERSON | 25 | daughter | Cigar Maker | Penna |
| 18 | Helen Gibbons | 23 | daughter | New Worker | Penna |
| 19 | Agnes Gibbons | 17 | daughter | — | Penna |
| 20 | Margaret Gibbons | 15 | daughter | — | Penna |
| 21 | Thomas Gibbons | 13 | son | — | Penna |
| 22 | Thomas E. Demsey | 41 | head | Crane Operator | Penna |
| 23 | Marie Demsey | 37 | wife | — | Penna |
| 24 | Marion Demsey | 15 | daughter | — | Penna |
| 25 | Edward Demsey | 14 | son | — | Penna |
| 26 | Elinor Demsey | 11 | daughter | — | Penna |
| 27 | Stanley Grablewski | 29 | head | Laborer | Penna |
| 28 | Mary S. Grablewski | 26 | wife | — | Penna |
| 29 | Dorothy Grablewski | 8 | daughter | — | Penna |
| 30 | John Grablewski | 7 | son | — | Penna |
| 31 | Mary Grablewski | 5 | daughter | — | Penna |
| 32 | Florence Grablewski | 2 | daughter | — | Penna |
| 33 | Herbert Metzger | 26 | head | Painter | Penna |
| 34 | Bernetta Metzger | 21 | wife | Worker | Penna |
| 35 | Betty Metzger | 4 | daughter | — | Penna |
| 36 | Geraldine Metzger | 3 | daughter | — | Penna |
| 37 | Mildred Metzger | 2 | daughter | — | Penna |
| 38 | Eldridge Hellings | 34 | head | Welder | Maine |
| 39 | Helen V. Hellings | 30 | wife | — | Penna |
| 40 | Eldridge Jr. Hellings | 11 | son | — | Penna |
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)