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Margaret Leonard — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Margaret Leonard across the 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1902), then head of a 11-person household.
Age 38
b. ~1902
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Leonard |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Clerk |
| Industry | Soap manuf |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1248 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Clerk |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1902 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Catherine Leonard | Daughter | — | 30 | ~1910 |
| Agnes Russell | Daughter | — | 28 | ~1912 |
| Jane Leonard | Daughter | — | 22 | ~1918 |
| Michael Leonard | Son | — | 34 | ~1906 |
| Mary Leonard | Daughter | — | 36 | ~1904 |
| Thomas Leonard | Head | — | 60 | ~1880 |
| John Leonard | Son | — | 19 | ~1921 |
| Hugh Leonard | Son | — | 24 | ~1916 |
| Edward Russell | Other | — | 4 | ~1936 |
| William Leonard | Son | — | 17 | ~1923 |
| Margaret Leonard | Daughter | — | 38 | ~1902 |
Census Appearances
1930
Hudson, New …
Daughter, age 27
Hudson, New Jersey · implied b. ~1903 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Machine Hand |
| Industry | Pencil Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Daughter, age 38
Hudson-County, New Jersey · implied b. ~1902 — 11 household members
| Surname | Leonard |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | Clerk |
| Industry | Soap manuf |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1248 |
| Highest Grade | H 4 |
| 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 Margaret Leonard across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Leonard
Daughter · 1940 · age 38 · b. ~1902 · New Jersey
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Sibling
Mary Leonard
Sibling · 1940 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Leonard
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Leonard
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Russell
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Leonard
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Leonard
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hugh Leonard
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Leonard
Sibling · 1940 · age 17
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 — Hudson-County, New Jersey
Open full size
1940 US Federal Census — Hudson-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02407-00103)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert Fallon | 6 | son | — | New Jersey |
| 42 | Florence Powers | 36 | sister-in-law | Payroll Supervisor | New Jersey |
| 43 | Thomas Leonard | 60 | head | Watchman | Eire |
| 44 | Margaret Leonard THIS PERSON | 38 | daughter | Clerk | New Jersey |
| 45 | Mary Leonard | 36 | daughter | — | New Jersey |
| 46 | Michael Leonard | 34 | son | — | New Jersey |
| 47 | Catherine Leonard | 30 | daughter | Stenographer | New Jersey |
| 48 | Hugh Leonard | 24 | son | Ship Instrument | New Jersey |
| 49 | Jane Leonard | 22 | daughter | Bookkeeper | New Jersey |
| 50 | John Leonard | 19 | son | Pipe Fitter | New Jersey |
| 51 | William Leonard | 17 | son | Life-Guard | New Jersey |
| 52 | Agnes Russell | 28 | daughter | File-Clerk | New Jersey |
| 53 | Edward Russell | 4 | grand-son | — | New Jersey |
| 54 | Joseph F. Newman | 52 | head | Chief Clerk | New Jersey |
| 55 | Anne Newman | 49 | wife | — | New Jersey |
| 56 | James Newman | 48 | brother | Clerk | New Jersey |
| 57 | Margaret Gart | 60 | cousin | — | New Jersey |
| 58 | Robert Warwick | 43 | head | Maintenance Man | Georgia |
| 59 | Clara Warwick | 35 | wife | — | North Carolina |
| 60 | Doris Warwick | 13 | daughter | — | North Carolina |
| 61 | Roy Warwick | 11 | son | — | North Carolina |
| 62 | Robert Warwick | 2 | son | — | New Jersey |
| 63 | Matthew Jakosch | 49 | head | Foreman | Austria |
| 64 | Marie Jakosch | 43 | wife | — | Austria |
| 65 | Mary Jakosch | 19 | daughter | — | New Jersey |
| 66 | C. W. Spaulding | 45 | lodger | Saleswoman | Pennsylvania |
| 67 | Harold Striebling | 35 | head | Chauffeur | New Jersey |
| 68 | Anna Striebling | 32 | wife | — | New Jersey |
| 69 | Lawrence Striebling | 3 | son | — | New Jersey |
| 70 | Francis Striebling | 1 | son | — | New Jersey |
| 71 | Susan Striebling | 68 | mother | — | Scotland |
| 72 | Theodore Striebling | 68 | father | Watchman | New Jersey |
| 73 | Charles Striebling | 45 | head | Painter & Decorator | New Jersey |
| 74 | Pauline Striebling | 40 | wife | — | New Jersey |
| 75 | Theodore Striebling | 15 | son | — | New Jersey |
| 76 | Gloria Striebling | 13 | daughter | — | New Jersey |
| 77 | Harold Striebling | 4 | son | — | New York |
| 78 | Thomas Healy | 50 | head | Boiler Repair Man | Eire |
| 79 | Mary Healy | 48 | wife | — | Eire |
| 80 | Theresa Healy | 12 | daughter | — | 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)