WD
William Day — 1930 US Census Record
Model Tree available1930 United States Federal Census · Essex, New Jersey
Our Model Tree links this William Day across the 1910, 1920 and 1930 US Censuses in Essex, New Jersey (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1909), then head of a 4-person household.
Age 21
b. ~1909
Male
Son
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, New Jersey |
| Surname | Day |
| Given Name | William R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Occupation | clerk |
| Industry | Broker office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Clerk |
| Township / Ward | West Orange Town |
| Est. Birth Year | ~1909 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Day | Daughter | — | 17 | ~1913 |
| Grace Day | Head | — | 48 | ~1882 |
| William Day | Son | — | 21 | ~1909 |
| Luder Day | Son | — | 13 | ~1917 |
Census Appearances
1910
Essex, New …
Son, age
Essex, New Jersey · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1920
Essex, New …
Son, age 10
Essex, New Jersey · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | William R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Essex, New …
Son, age 21
Essex, New Jersey · implied b. ~1909 — 4 household members
| Surname | Day |
| Given Name | William R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | clerk |
| Industry | Broker office |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Day across 3 US Census years (1910, 1920 and 1930) in Essex, New Jersey, using XGBoost record linkage. Identified parents: father William Day (~0.92 confidence) and father William Day (~0.92 confidence) and mother Grace Day (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Day
b. ~1859
Source father
● Household
· direct · ~0.92
Father
William Day
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Grace Day
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Day
Son · 1930 · age 21 · b. ~1909 · New Jersey
★ You are viewing this record
Sibling
Dorothy Day
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Luder Day
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 — Essex, New Jersey
Open full size
1930 US Federal Census — Essex, New Jersey
Page Contents
49 people indexed on this census page (ia:1930:newjerseycensus00reel1344:0753)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Lawrence Koenitzer | 3 | Son | None | New Jersey |
| 52 | Charles H. Wagner | 51 | Head | Carpenter | Pennsylvania |
| 53 | Jennie M. Wagner | 45 | Wife | None | Pennsylvania |
| 54 | Howard J. Barthol | 22 | Son | Laborer | Pennsylvania |
| 55 | Agnes M. Gale | 36 | Head | Assembler | Germany |
| 56 | Agnes Fehr | 77 | Mother | None | Germany |
| 57 | Bart Spaughnessy | 45 | Boarder | Glass Worker | New York |
| 58 | Grover C. Greene | 37 | Head | Salesman | New York |
| 59 | Elizabeth V. Greene | 25 | Sister | None | New York |
| 60 | Grace V. Day | 48 | Head | Trained Nurse | New Jersey |
| 61 | Dorothy E. Day | 17 | Daughter | None | New Jersey |
| 62 | William R. Day THIS PERSON | 21 | Son | Clerk | New Jersey |
| 63 | Luder S. Day | 13 | Son | None | New Jersey |
| 64 | Edwin H. Chapman | 42 | Head | Machinist | New Jersey |
| 65 | Annie D. Chapman | 41 | Wife | Machinist Asst. | Scotland |
| 66 | Jane E. Chapman | 64 | Mother | None | New Jersey |
| 67 | Charles O. Hanright | 34 | Head | Sprayer, Paint | Nova Scotia |
| 68 | Jenetta W. Hanright | 33 | Wife | None | Scotland |
| 69 | Bernice C. Hanright | 6 | Daughter | None | Nova Scotia |
| 70 | Audrey E. Hanright | 4 | Daughter | None | Nova Scotia |
| 71 | David W. Hanright | 2 | Son | None | New Jersey |
| 72 | Patrick A. Quinn | 45 | Head | Plumbing | England |
| 73 | Elizabeth M. Quinn | 43 | Wife | None | New Jersey |
| 74 | Elizabeth G. Quinn | 22 | Daughter | Dental Asst | New Jersey |
| 75 | Dorothy W. Quinn | 17 | Daughter | Clerical | New Jersey |
| 76 | Walter A. Quinn | 16 | Son | Helper | New Jersey |
| 77 | Beatrice J. Quinn | 14 | Daughter | None | New Jersey |
| 78 | Arthur J. W. Quinn | 14 | Son | None | New Jersey |
| 79 | Edward Quinn | 12 | Son | None | New Jersey |
| 80 | Jean Quinn | 8 | Daughter | None | New Jersey |
| 81 | John Quinn | 8 | Son | None | New Jersey |
| 82 | William A. Kissel | 48 | Head | Engineer | Pennsylvania |
| 83 | Elizabeth M. Kissel | 47 | Wife | None | Pennsylvania |
| 84 | Wayne A. Kissel | 22 | Son | Switchboard Installation | Pennsylvania |
| 85 | Louise G. Kissel | 18 | Daughter | Typist | Pennsylvania |
| 86 | Frank J. Curren | 28 | Head | Plumber | New Jersey |
| 87 | Helen J. Curren | 26 | Wife | None | New Jersey |
| 88 | Genevieve Rooney | 26 | Sister-in-law | Benchwork | New Jersey |
| 89 | Virginia Curren | 0 | Daughter | None | New Jersey |
| 90 | Elizabeth M. Weismuller | 59 | Head | None | Germany |
| 91 | Louise F. Weismuller | 29 | Daughter | Clerk | New Jersey |
| 93 | William H. Wander | 30 | Head | Installing Radio | New Jersey |
| 94 | Mabel Wander | 25 | Wife | Operator | New Jersey |
| 95 | Charles E. Her | 35 | Head | Japaner | New Jersey |
| 96 | Nellie J. Her | 27 | Wife | None | New Jersey |
| 97 | Susan M. Wander | 62 | Mother-in-law | None | Ohio |
| 98 | Charles Hall | 78 | Uncle | Salesman | New Jersey |
| 99 | Thomas J. Byrne | 34 | Head | Policeman | New Jersey |
| 100 | Ella B. Byrne | 34 | Wife | None | New York |
Pedigree Summary
William + 2 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)