ML
Margaret Leonard — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Passaic, New Jersey
Our Model Tree links this Margaret Leonard across the 1930 and 1940 US Censuses in Passaic, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 14-person household.
Age 0
b. ~1930
Female
Daughter
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Passaic, New Jersey |
| Surname | Leonard |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Paterson City |
| Est. Birth Year | ~1930 |
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.
14 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Leonard | Daughter | — | ~1930 | |
| John Leonard | Son | — | 19 | ~1911 |
| Joseph Leonard | Son | — | 5 | ~1925 |
| William Leonard | Son | — | 17 | ~1913 |
| James Leonard | Son | — | 9 | ~1921 |
| Thomas Leonard | Head | — | 56 | ~1874 |
| Richard Leonard | Son | — | 11 | ~1919 |
| Anna Leonard | Daughter | — | 15 | ~1915 |
| Robert Leonard | Son | — | 13 | ~1917 |
| Catherine Leonard | Daughter | — | 1 | ~1929 |
| Mary Leonard | Spouse | — | 54 | ~1876 |
| Edward Leonard | Son | — | 7 | ~1923 |
| Thomas Leonard | Son | — | 21 | ~1909 |
| Francis Leonard | Son | — | 3 | ~1927 |
Census Appearances
1930
Passaic, New …
Daughter, age
Passaic, New Jersey · implied b. ~1930 — 14 household members
| Surname | Leonard |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Passaic-County, New …
Daughter, age 10
Passaic-County, New Jersey · implied b. ~1930 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Muriel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Passaic City |
| 1935 Residence (County) | Passaic |
| Highest Grade | 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 · 1930 · age 0 · b. ~1930 · New Jersey
★ You are viewing this record
Sibling
Catherine Leonard
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Leonard
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Leonard
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Leonard
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Leonard
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Leonard
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Leonard
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Leonard
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Leonard
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Leonard
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Leonard
Sibling · 1930 · age 13
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
1930 US Federal Census — Passaic, New Jersey
Open full size
1930 US Federal Census — Passaic, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1380:0189)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Prenton | 46 | Head | — | New Jersey |
| 2 | Anna Prenton | 44 | Wife | — | New Jersey |
| 3 | John Prenton | 21 | Son | Assistant | New Jersey |
| 4 | Michael Callahan | 32 | Head | — | New Jersey |
| 5 | Anna Callahan | 31 | Wife | — | New Jersey |
| 6 | Michael Callahan | 7 | Son | — | New Jersey |
| 7 | John Callahan | 5 | Son | — | New Jersey |
| 8 | Robert Callahan | 2 | Son | — | New Jersey |
| 9 | Richard Callahan | 1 | Son | — | New Jersey |
| 10 | William Morgan | 66 | Head | — | England |
| 11 | Theresa Morgan | 65 | Wife | — | New Jersey |
| 12 | James Bovill | 40 | Head | — | New Jersey |
| 13 | Anna Bovill | 38 | Wife | — | New Jersey |
| 14 | James Bovill | 14 | Son | — | New Jersey |
| 15 | James Stanford | 41 | Head | — | New Jersey |
| 16 | Anna Stanford | 38 | Wife | — | New Jersey |
| 17 | James Stanford | 15 | Son | — | New Jersey |
| 18 | William Stanford | 13 | Son | — | New Jersey |
| 19 | Anna Stanford | 11 | Daughter | — | New Jersey |
| 20 | Robert Stanford | 4 | Son | — | New Jersey |
| 21 | George Reed | 40 | Head | — | New Jersey |
| 22 | Anna Reed | 38 | Wife | — | New Jersey |
| 23 | George Reed | 17 | Son | — | New Jersey |
| 24 | William Reed | 15 | Son | — | New Jersey |
| 25 | Thomas Leonard | 56 | Head | — | New Jersey |
| 26 | Mary Leonard | 54 | Wife | — | New Jersey |
| 27 | Thomas Leonard | 21 | Son | — | New Jersey |
| 28 | John Leonard | 19 | Son | — | New Jersey |
| 29 | William Leonard | 17 | Son | — | New Jersey |
| 30 | Anna Leonard | 15 | Daughter | — | New Jersey |
| 31 | Robert Leonard | 13 | Son | — | New Jersey |
| 32 | Richard Leonard | 11 | Son | — | New Jersey |
| 33 | James Leonard | 9 | Son | — | New Jersey |
| 34 | Edward Leonard | 7 | Son | — | New Jersey |
| 35 | Joseph Leonard | 5 | Son | — | New Jersey |
| 36 | Francis Leonard | 3 | Son | — | New Jersey |
| 37 | Catherine Leonard | 1 | Daughter | — | New Jersey |
| 38 | Margaret Leonard THIS PERSON | 0 | Daughter | — | New Jersey |
| 39 | — | None | — | — | — |
| 40 | — | None | — | — | — |
| 41 | — | None | — | — | — |
| 42 | — | None | — | — | — |
| 43 | — | None | — | — | — |
| 44 | — | None | — | — | — |
| 45 | — | None | — | — | — |
| 46 | — | None | — | — | — |
| 47 | — | None | — | — | — |
| 48 | — | None | — | — | — |
| 49 | — | None | — | — | — |
| 50 | — | None | — | — | — |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)