ML
Mary Logan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this Mary Logan across the 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | Logan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Belleville Town |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Belleville Town |
| Est. Birth Year | ~1928 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Frances Logan | Daughter | — | 24 | ~1916 |
| Mary Logan | Daughter | — | 12 | ~1928 |
| Katherine Logan | Daughter | — | 29 | ~1911 |
| Theresa Logan | Daughter | — | 6 | ~1934 |
| Emily Logan | Daughter | — | 26 | ~1914 |
| John Logan | Head | — | 53 | ~1887 |
| George Logan | Son | — | 15 | ~1925 |
| William Logan | Son | — | 10 | ~1930 |
| James Logan | Son | — | 22 | ~1918 |
Census Appearances
1930
Essex, New …
Daughter, age 3
Essex, New Jersey · implied b. ~1927 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Logan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Daughter, age 12
Essex-County, New Jersey · implied b. ~1928 — 9 household members
| Surname | Logan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Belleville Town |
| 1935 Residence (County) | Essex |
| Highest Grade | No 7 |
| 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 Logan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Logan
Daughter · 1940 · age 12 · b. ~1928 · New Jersey
★ You are viewing this record
Sibling
James Logan
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Logan
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Logan
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emily Logan
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Logan
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Logan
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Logan
Sibling · 1940 · age 24
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
40 people indexed on this census page (nara:1940:m-t0627-02328-00230)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas Mc Laughlin | 21 | Son | Clerk | New Jersey |
| 2 | Patrick Mc Laughlin | 66 | Head | Stat. Worker | Ireland |
| 3 | Bridget Mc Laughlin | 62 | Wife | — | Ireland |
| 4 | Thomas Mc Laughlin | 33 | Son | Janitor | New Jersey |
| 5 | Anna Mc Laughlin | 27 | Daughter | Telephone Oper. | New Jersey |
| 6 | John Logan | 53 | Head | Carpenter | New Jersey |
| 7 | Katherine Logan | 29 | Daughter | Clerk | New Jersey |
| 8 | Emily Logan | 26 | Daughter | Clerk | New Jersey |
| 9 | Frances Logan | 24 | Daughter | Waitress Helper | New Jersey |
| 10 | James Logan | 22 | Son | Laborer | New Jersey |
| 11 | Theresa Logan | 6 | Daughter | — | New Jersey |
| 12 | George Logan | 15 | Son | — | New Jersey |
| 13 | William Logan | 10 | Son | — | New Jersey |
| 14 | Mary Logan THIS PERSON | 12 | Daughter | — | New Jersey |
| 15 | John Bolcato | 23 | Head | Mechanic | New Jersey |
| 16 | Helen Bolcato | 27 | Wife | Operator | New Jersey |
| 17 | Peter Bolcato | 1 | Son | — | New Jersey |
| 18 | Anthony Bolcato | 25 | Head | Furniture Maker | New Jersey |
| 19 | Antoinette Bolcato | 22 | Wife | — | New Jersey |
| 20 | George Lawler | 80 | Head | — | Ireland |
| 21 | Margaret Lawler | 75 | Wife | — | Ireland |
| 22 | William Lawler | 30 | Son | — | New Jersey |
| 23 | James Hansen | 62 | Head | Asst. Supt. | New Jersey |
| 24 | Grace Hansen | 61 | Wife | — | New Jersey |
| 25 | Joseph Hansen | 32 | Son | Chemist | New Jersey |
| 26 | John Hansen | 28 | Son | Wire-Sealing | New Jersey |
| 27 | Frances Hansen | 25 | Daughter | Typist | New Jersey |
| 28 | Eleanor Hansen | 22 | Daughter | Office Worker | New Jersey |
| 29 | William Hansen | 20 | Daughter | Weaver | New Jersey |
| 30 | Mary Hansen | 18 | Daughter | Wire Worker | New Jersey |
| 31 | Stephen Mccarthy | 24 | Head | Hammer | New Jersey |
| 32 | Steven Mccarthy | 4 | Son | — | New Jersey |
| 33 | Joan Mccarthy | 3 | Daughter | — | New Jersey |
| 34 | Joan Mccarthy | 3 | Daughter | — | New Jersey |
| 35 | Anthony Sokoll | 47 | Head | Packer | Yugoslavia |
| 36 | Rose Sokoll | 37 | Wife | Cook | Austria |
| 37 | Alice Sokoll | 17 | Daughter | — | Penn. |
| 38 | Viola Sokoll | 16 | Daughter | — | Penn. |
| 39 | Carl Sokoll | 13 | Son | — | Penn. |
| 40 | James Monaghan | 71 | Head | — | Ireland |
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)