MF
Mary Flanagan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this Mary Flanagan across the 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1912), then head of a 25-person household.
Age 28
b. ~1912
Female
Daughter
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | Flanagan |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Caldwell Boro |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Caldwell Boro |
| Est. Birth Year | ~1912 |
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.
25 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Margaret Johnson | Spouse | — | 63 | ~1877 |
| Betty Mclaughlin | Daughter | — | 15 | ~1925 |
| Martha Flanagan | Other | — | 4 | ~1936 |
| Charlotte Mclaughlin | Daughter | — | 40 | ~1900 |
| James Mclaughlin | Head | — | 51 | ~1889 |
| Mary Flanagan | Daughter | — | 28 | ~1912 |
| Pauline Neill | Daughter | — | 43 | ~1897 |
| Irene Mclaughlin | Spouse | — | 51 | ~1889 |
| Elizabeth Entwistle | Spouse | — | 30 | ~1910 |
| Barbara Flanagan | Other | — | 3 | ~1937 |
| Clara Breining | Spouse | — | 50 | ~1890 |
| Bernadine Anderson | Daughter | — | 25 | ~1915 |
| Selma Anderson | Daughter | — | 28 | ~1912 |
| William Entwistle | Son | — | 3 | ~1937 |
| Betty Hayden | Other | — | 18 | ~1922 |
| Irene Neill | Daughter | — | 41 | ~1899 |
| Irving Anderson | Son | — | 27 | ~1913 |
| Ethel Maclean | Spouse | — | 60 | ~1880 |
| Nettie Straub | Spouse | — | 58 | ~1882 |
| Doris Mclaughlin | Son | — | 11 | ~1929 |
| Mary Flanagan | Other | — | 5 | ~1935 |
| Elizabeth Entwistle | Daughter | — | 8 | ~1932 |
| Charlotte Decamp | Spouse | — | 60 | ~1880 |
| Doris Neill | Daughter | — | 32 | ~1908 |
| Ruth Neill | Daughter | — | 34 | ~1906 |
Census Appearances
1930
Essex, New …
Other, age 17
Essex, New Jersey · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flanagan |
| Given Name | Margaret |
| Relationship to Head | Boarder |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Packer |
| Industry | Razor Blades |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Daughter, age 28
Essex-County, New Jersey · implied b. ~1912 — 25 household members
| Surname | Flanagan |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Caldwell Boro |
| 1935 Residence (County) | Essex |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Flanagan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Flanagan
Daughter · 1940 · age 28 · b. ~1912 · New Jersey
★ You are viewing this record
Sibling
Doris Neill
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Entwistle
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Mclaughlin
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Selma Anderson
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pauline Neill
Sibling · 1940 · age 43
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Mclaughlin
Sibling · 1940 · age 40
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irving Anderson
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Neill
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernadine Anderson
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Mclaughlin
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Entwistle
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Neill
Sibling · 1940 · age 41
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 — Essex-County, New Jersey
Open full size
1940 US Federal Census — Essex-County, New Jersey
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02330-00428)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James H. Mclaughlin | 51 | Head | Steward | New Jersey |
| 2 | Irene E. Mclaughlin | 51 | Wife | — | New Jersey |
| 3 | Charlotte L. Mclaughlin | 40 | Daughter | Secretary | New Jersey |
| 4 | Betty Mclaughlin | 15 | Daughter | — | New Jersey |
| 5 | Doris Mclaughlin | 11 | Son | — | New Jersey |
| 6 | Selma Anderson | 28 | Daughter | Grade Teacher | New Jersey |
| 7 | Irving Anderson | 27 | Son | Accountant | New Jersey |
| 8 | Bernadine Anderson | 25 | Daughter | Music Teacher | New Jersey |
| 9 | Pauline Neill | 43 | Daughter | Saleslady | New Jersey |
| 10 | Irene J. Neill | 41 | Daughter | Millinery Mgr. | New Jersey |
| 11 | Ruth Neill | 34 | Daughter | Steno. Secy. | New Jersey |
| 12 | Doris Neill | 32 | Daughter | Steno. Secy. | New Jersey |
| 13 | Margaret Johnson | 63 | Wife | — | New Jersey |
| 14 | Mary E. Flanagan THIS PERSON | 28 | Daughter | — | New Jersey |
| 15 | Mary H. Flanagan | 5 | Granddaughter | — | New Jersey |
| 16 | Martha Flanagan | 4 | Granddaughter | — | New Jersey |
| 17 | Barbara Flanagan | 3 | Granddaughter | — | New Jersey |
| 18 | Ethel Maclean | 60 | Wife | — | Canada |
| 19 | Elizabeth S. Entwistle | 30 | Wife | — | New York |
| 20 | Elizabeth V. Entwistle | 8 | Daughter | — | New Jersey |
| 21 | William S. Entwistle | 3 | Son | — | New Jersey |
| 22 | Betty Hayden | 18 | Servant | Servant | Maryland |
| 23 | Nettie M. Straub | 58 | Wife | — | New Jersey |
| 24 | Charlotte C. Decamp | 60 | Wife | — | New York |
| 25 | Clara M. Breining | 50 | Wife | — | New Jersey |
| 26 | Eugene Thompson | 50 | Head | — | New York |
| 27 | Edith W. Thompson | 21 | Daughter | Steno Clerk | New York |
| 28 | Elliot Thompson | 19 | Son | Clerk Asst. | New York |
| 29 | Ruth Thompson | 17 | Daughter | — | New Jersey |
| 30 | Albert Thompson | 14 | Son | — | New Jersey |
| 31 | Ruth W. Taylor | 50 | Wife | — | New Jersey |
| 32 | Janet F. Taylor | 17 | Daughter | — | New Jersey |
| 33 | Virginia Taylor | 14 | Daughter | — | New Jersey |
| 34 | Euphemia Libert | 30 | Wife | — | New Jersey |
| 35 | Lucy Tanker | 46 | Wife | — | New York |
| 36 | Loris Tanker | 17 | Son | — | New York |
| 37 | Nancy Tanker | 8 | Daughter | — | New Jersey |
| 38 | Timothy E. Corg | 23 | Daughter | Secretary | New Jersey |
| 39 | Emmie Corg | 44 | Wife | — | New Jersey |
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)