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William Robbins — 1920 US Census Record
Model Tree available1920 United States Federal Census · Mercer, New Jersey
Our Model Tree links this William Robbins across the 1920, 1930 and 1940 US Censuses in Mercer, New Jersey (XGBoost, ~Confirmed), with identified parents John & Minnie — first a son (b.~1913), then head of a 5-person household.
Age 7
b. ~1913
Male
Son
Born: New Jersey
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Mercer, New Jersey |
| Surname | Robbins |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Trenton City |
| Est. Birth Year | ~1913 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Robbins | Son | — | 7 | ~1913 |
| John Robbins | Head | — | 50 | ~1870 |
| Minnie Robbins | Spouse | — | 38 | ~1882 |
| Mary Robbins | Daughter | — | 18 | ~1902 |
| John Robbins | Son | — | 13 | ~1907 |
Census Appearances
1920
Mercer, New …
Son, age 7
Mercer, New Jersey · implied b. ~1913 — 5 household members
| Surname | Robbins |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Mercer, New …
Son, age 17
Mercer, New Jersey · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robbins |
| Given Name | Willard B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| 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
Mercer-County, New …
Head, age 27
Mercer-County, New Jersey · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | ROBBINS |
| Given Name | WILLARD |
| Relationship to Head | HEAD |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | NEW JERSEY |
| 1935 Residence (City) | CITY OF TRENTON |
| 1935 Residence (County) | MERCER |
| Occupation | CLERK |
| Industry | MOTOR VEHICLE |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 1360 |
| 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 William Robbins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Robbins (~0.92 confidence) and mother Minnie Robbins (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Robbins
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Minnie Robbins
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Robbins
Son · 1920 · age 7 · b. ~1913 · New Jersey
★ You are viewing this record
Sibling
Mary Robbins
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Robbins
Sibling · 1920 · 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
1920 US Federal Census — Mercer, New Jersey
Open full size
1920 US Federal Census — Mercer, New Jersey
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1054unit:0215)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John B Robbins | 50 | Head | Contractor | New Jersey |
| 52 | Minnie Robbins | 38 | Wife | — | New Jersey |
| 53 | Mary Robbins | 18 | Daughter | Operator | New Jersey |
| 54 | William Robbins THIS PERSON | 7 | Son | — | New Jersey |
| 55 | John Robbins | 13 | Son | — | New Jersey |
| 56 | George Walton | 59 | Head | Machinist | New Jersey |
| 57 | Madora Walton | 50 | Wife | — | New Jersey |
| 58 | Raymond Walton | 17 | Son | Clerk | New Jersey |
| 59 | Clara Walton | 14 | Daughter | — | New Jersey |
| 60 | Joseph Walton | 13 | Son | — | New Jersey |
| 61 | Albert Walton | 12 | Son | — | New Jersey |
| 62 | Charles Parker | 32 | Head | Fireman | New Jersey |
| 63 | Alberta Parker | 28 | Wife | — | New Jersey |
| 64 | Charles Parker | 9 | Son | — | New Jersey |
| 65 | Albert C Parker | 6 | Son | — | New Jersey |
| 66 | Charles B Parker | 4 | Son | — | New Jersey |
| 67 | Peter Radice | 30 | Head | Packer | Italy |
| 68 | Helen Radice | 27 | Wife | — | New Jersey |
| 69 | Alice Radice | 6 | Daughter | — | New Jersey |
| 70 | Helen Radice | 2 | Daughter | — | New Jersey |
| 71 | Ernest Korn | 21 | Brother-in-law | — | New Jersey |
| 72 | Everett Voorhees | 41 | Head | — | New Jersey |
| 73 | Bessie Voorhees | 43 | Wife | — | Illinois |
| 74 | Mamie Voorhees | 63 | Head | — | New Jersey |
| 75 | David Stryker | 26 | Son-in-law | Inspector | New Jersey |
| 76 | Martha Stryker | 31 | Daughter | — | New Jersey |
| 77 | Richard Stryker | 1 | Son | — | New Jersey |
| 78 | Nellie Voorhees | 30 | Daughter | — | New Jersey |
| 79 | Simon Robins | 49 | Head | Merchant | Russia |
| 80 | Rachel Robins | 47 | Wife | — | Austria |
| 81 | Arnold Robins | 24 | Son | — | New Jersey |
| 82 | Samuel Robins | 23 | Son | — | New Jersey |
| 83 | Jessie Robins | 18 | Daughter | — | New Jersey |
| 84 | Rosie Robins | 13 | Daughter | — | New Jersey |
| 85 | Max Maslowski | 47 | Head | Machinist | Poland |
| 86 | Helen Maslowski | 35 | Wife | — | Poland |
| 87 | Alphonse Maslowski | 17 | Son | — | New Jersey |
| 88 | Wanda Maslowski | 12 | Daughter | — | New Jersey |
| 89 | Henry Tadrosick | 36 | Boarder | Machinist | Poland |
| 90 | James Straley | 50 | Head | — | New Jersey |
| 91 | Harold Straley | 24 | Son | Clerk | New Jersey |
| 92 | Richard Straley | 20 | Son | — | New Jersey |
| 93 | Lucy Straley | 13 | Son | — | New Jersey |
| 94 | Moody Smith | 55 | Head | — | New Jersey |
| 95 | Charles Smith | 21 | Son | — | New Jersey |
| 96 | Virginia Smith | 22 | Niece | — | New Jersey |
| 97 | John A Jordan | 62 | Brother-in-law | — | New York |
| 98 | Catherine Jordan | 60 | Wife | — | New Jersey |
| 99 | William Stone | 45 | Boarder | — | New Jersey |
| 100 | — | None | — | — | — |
Pedigree Summary
William + 2 siblings
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)