MD
Mary Dillon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this Mary Dillon across the 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 8-person household.
Age 22
b. ~1918
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | Dillon |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Orange |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Clerk |
| Industry | Machine Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | Hs 4 |
| 1935 Residence | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Clerk |
| Township / Ward | West Orange |
| Est. Birth Year | ~1918 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Josephine Dillon | Daughter | — | 16 | ~1924 |
| Elizabeth Dillon | Daughter | — | 21 | ~1919 |
| Irene Dillon | Daughter | — | 3 | ~1937 |
| Mary Dillon | Daughter | — | 22 | ~1918 |
| Delia Dillon | Head | — | 44 | ~1896 |
| Thomas Dillon | Son | — | 9 | ~1931 |
| Lawrence Dillon | Son | — | 12 | ~1928 |
| Joseph Dillon | Son | — | 14 | ~1926 |
Census Appearances
1930
Essex, New …
Daughter, age 11
Essex, New Jersey · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dillon |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Daughter, age 22
Essex-County, New Jersey · implied b. ~1918 — 8 household members
| Surname | Dillon |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Orange |
| 1935 Residence (County) | Essex |
| Occupation | Clerk |
| Industry | Machine Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | Hs 4 |
| 1935 Residence | New Jersey |
| 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 Dillon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dillon
Daughter · 1940 · age 22 · b. ~1918 · New Jersey
★ You are viewing this record
Sibling
Josephine Dillon
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Dillon
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Dillon
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Dillon
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Dillon
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Dillon
Sibling · 1940 · age 14
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-t0627-02341-00099)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Delia Dillon | 44 | Head | Housewife | Ireland |
| 42 | Mary Dillon THIS PERSON | 22 | Daughter | Clerk | New Jersey |
| 43 | Elizabeth Dillon | 21 | Daughter | Factory Worker | New Jersey |
| 44 | Josephine Dillon | 16 | Daughter | — | New Jersey |
| 45 | Joseph Dillon | 14 | Son | — | New Jersey |
| 46 | Lawrence Dillon | 12 | Son | — | New Jersey |
| 47 | Thomas Dillon | 9 | Son | — | New Jersey |
| 48 | Irene Dillon | 3 | Daughter | — | New Jersey |
| 49 | J. James Keeley | 39 | Head | Rail Pressman | Penn. |
| 50 | Catherine Keeley | 39 | Wife | Housewife | New Jersey |
| 51 | E. Mary Keeley | 5 | Daughter | — | Penn. |
| 52 | Thomas Waldron | 38 | Brother | Laborer | New Jersey |
| 53 | A. Douglas Dangler | 40 | Head | Fireman | New Jersey |
| 54 | H. Marie Dangler | 37 | Wife | Housewife | New Jersey |
| 55 | A. Douglas Dangler | 17 | Son | Clerk | New Jersey |
| 56 | Elwood Dangler | 16 | Son | — | New Jersey |
| 57 | Harold Dangler | 11 | Son | — | New Jersey |
| 58 | Bernice Dangler | 8 | Daughter | — | New Jersey |
| 59 | Armond Dangler | 6 | Son | — | New Jersey |
| 60 | B. X. Glasman | 47 | Head | Tailor | Russia |
| 61 | Gussie Glasman | 41 | Wife | Housewife | Russia |
| 62 | Jules Glasman | 18 | Son | Shipping Clerk | New Jersey |
| 63 | Sarah Glasman | 13 | Daughter | — | New Jersey |
| 64 | Adelaide Muhlbach | 44 | Wife | Housewife | New Jersey |
| 65 | E. Wm. Muhlbach | 42 | Head | Examiner | New York |
| 66 | E. Wm. Jr. Muhlbach | 17 | Son | — | New Jersey |
| 67 | A. R. Hoffman | 28 | Head | Foreman | New Jersey |
| 68 | J. Mary Hoffman | 27 | Wife | Housewife | Scotland |
| 69 | R. Warren Hoffman | 5 | Son | — | New Jersey |
| 70 | E. Karen Hoffman | 2 | Daughter | — | New Jersey |
| 71 | Jean J. Loss | 21 | Sister-in-law | Factory Worker | Scotland |
| 72 | Jos. H. Roberts | 41 | Head | Draftsman | New Jersey |
| 73 | Muriel Roberts | 39 | Wife | — | New Jersey |
| 74 | Veronica Hansen | 0 | Infant | — | New Jersey |
| 75 | J. P. Shaughnessy | 56 | Boarder | Laborer | New York |
| 76 | A. Gale | 55 | Head | Dressmaker | New Jersey |
| 77 | Ducant | None | — | — | — |
| 78 | Chas. F. Muhlbach | 43 | Head | Mechanic | New York |
| 79 | Rose Muhlbach | 40 | Wife | Housewife | New Jersey |
| 80 | P. Chas. Muhlbach | 16 | Son | — | 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)