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John Mulligan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Carbon-County, Pennsylvania
Our Model Tree links this John Mulligan across the 1920, 1930 and 1940 US Censuses in Carbon-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & Mamie — first a son (b.~1915), then head of a 7-person household.
Age 25
b. ~1915
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Carbon-County, Pennsylvania |
| Surname | Mulligan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | East Mauch Chunk |
| 1935 Residence (County) | Carbon |
| Additional Details | |
| Occupation | Laborer |
| Industry | Steam Rail Road |
| Class of Worker | PW |
| Hours Worked | 22 |
| Income (1939) | 195 |
| Highest Grade | H-2 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | East Mauch Chunk |
| 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 John | Age | Birth yr |
|---|---|---|---|---|
| Joseph Mulligan | Son | — | 15 | ~1925 |
| Elizabeth Mulligan | Daughter | — | 19 | ~1921 |
| John Mulligan | Son | — | 25 | ~1915 |
| Edward Mulligan | Son | — | 10 | ~1930 |
| Mary Mulligan | Daughter | — | 17 | ~1923 |
| Mary Mulligan | Head | — | 52 | ~1888 |
| Thomas Mulligan | Son | — | 14 | ~1926 |
Census Appearances
1920
Carbon, Pennsylvania
Son, age 5
Carbon, Pennsylvania · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mulligan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | No |
| Can Write | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Carbon, Pennsylvania
Son, age 15
Carbon, Pennsylvania · implied b. ~1915 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mulligan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Carbon-County, Pennsylvania
Son, age 25
Carbon-County, Pennsylvania · implied b. ~1915 — 7 household members
| Surname | Mulligan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | East Mauch Chunk |
| 1935 Residence (County) | Carbon |
| Occupation | Laborer |
| Industry | Steam Rail Road |
| Class of Worker | PW |
| Hours Worked | 22 |
| Income (1939) | 195 |
| Highest Grade | H-2 |
| 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 John Mulligan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Mulligan (~0.92 confidence) and mother Mamie Mulligan (~0.92 confidence) and mother Mary Mulligan (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Mulligan
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Mamie Mulligan
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Mary Mulligan
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mulligan
Son · 1940 · age 25 · b. ~1915 · Pennsylvania
★ You are viewing this record
Sibling
Elizabeth Mulligan
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mulligan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mulligan
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Mulligan
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mulligan
Sibling · 1940 · age 10
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 — Carbon-County, Pennsylvania
Open full size
1940 US Federal Census — Carbon-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03460-00262)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Annetta Moser | 24 | Daughter | — | Pennsylvania |
| 42 | Frank Moser | 21 | Son | — | Pennsylvania |
| 43 | Bernice Moser | 15 | Daughter | — | Pennsylvania |
| 44 | Emily Moser | 13 | Daughter | — | Pennsylvania |
| 45 | Harry Madouse | 52 | Head | Machinist | Pennsylvania |
| 46 | Sophia Madouse | 52 | Wife | — | Pennsylvania |
| 47 | Adam Bogal | 24 | Son in Law | Truck Driver | Pennsylvania |
| 48 | Margaret Bogal | 21 | Daughter | — | Pennsylvania |
| 49 | Louis Bogal | 1 | Grandson | — | Pennsylvania |
| 50 | Charles Plum | 43 | Head | Car Inspector | Pennsylvania |
| 51 | Anna Plum | 38 | Wife | — | Pennsylvania |
| 52 | Francis Plum | 18 | Son | — | Pennsylvania |
| 53 | Pauline Plum | 16 | Daughter | — | Pennsylvania |
| 54 | Jean Plum | 14 | Daughter | — | Pennsylvania |
| 55 | Robert Plum | 12 | Son | — | Pennsylvania |
| 56 | Robert Plum | 7 | Son | — | Pennsylvania |
| 57 | Frank Schaff | 67 | Head | Machinist | Pennsylvania |
| 58 | Kathryn Schaff | 48 | Wife | — | Pennsylvania |
| 59 | Bernadine Schaff | 21 | Daughter | Machine Operator | Pennsylvania |
| 60 | Marguerite Schaff | 21 | Daughter | — | Pennsylvania |
| 61 | Mike Godden | 51 | Head | Trainman | Pennsylvania |
| 62 | Lulu Godden | 51 | Wife | — | Pennsylvania |
| 63 | Bernard Godden | 22 | Son | Hospital Attendant | Pennsylvania |
| 64 | Emma Kruse | 61 | Head | — | Pennsylvania |
| 65 | George Wilhelm | 35 | Son in Law | Warper | Pennsylvania |
| 66 | Cecelia Wilhelm | 36 | Daughter | — | Pennsylvania |
| 67 | Walter Ullon | 43 | Head | Spooler | Pennsylvania |
| 68 | Luella Ullon | 44 | Wife | — | Pennsylvania |
| 69 | Jane Ullon | 16 | Son | Usher | Pennsylvania |
| 70 | John Campbell | 43 | Head | — | Pennsylvania |
| 71 | Esther Campbell | 45 | Wife | — | Pennsylvania |
| 72 | Betty Campbell | 20 | Daughter | — | Pennsylvania |
| 73 | John Peoher | 66 | Brother in Law | — | Pennsylvania |
| 74 | Mary Mulligan | 52 | Head | — | Pennsylvania |
| 75 | John Mulligan THIS PERSON | 25 | Son | Laborer | Pennsylvania |
| 76 | Elizabeth Mulligan | 19 | Daughter | Maid | Pennsylvania |
| 77 | Mary Mulligan | 17 | Daughter | — | Pennsylvania |
| 78 | Joseph Mulligan | 15 | Son | — | Pennsylvania |
| 79 | Thomas Mulligan | 14 | Son | — | Pennsylvania |
| 80 | Edward Mulligan | 10 | Son | — | Pennsylvania |
Pedigree Summary
John + 5 siblings
Gen 1 · 3 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)