WD
William Day — 1930 US Census Record
Model Tree available1930 United States Federal Census · Union, New Jersey
Our Model Tree links this William Day across the 1910, 1920 and 1930 US Censuses in Union, New Jersey (XGBoost, ~Confirmed), with identified parents Daniel & Louise — first a head (b.~1893), then head of a 4-person household.
Age 37
b. ~1893
Male
Head
Born: New Jersey
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Union, New Jersey |
| Surname | Day |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 27 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Occupation | Building Contractor |
| Industry | Prof. |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 12,500 |
| Radio Set | R |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Building Contractor |
| Township / Ward | Union Township Part Of |
| Est. Birth Year | ~1893 |
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 |
|---|---|---|---|---|
| Ruth Day | Daughter | — | 7 | ~1923 |
| Winifred Day | Daughter | — | 9 | ~1921 |
| William Day | Head | — | 37 | ~1893 |
| Thelma Day | Spouse | — | 32 | ~1898 |
Census Appearances
1910
Union, New …
Son, age 16
Union, New Jersey · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | William C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1920
Union, New …
Head, age 25
Union, New Jersey · implied b. ~1895 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Salesman |
| Industry | Instruments |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Union, New …
Head, age 37
Union, New Jersey · implied b. ~1893 — 4 household members
| Surname | Day |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 27 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Building Contractor |
| Industry | Prof. |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 12,500 |
| Radio Set | R |
| 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 Union, New Jersey, using XGBoost record linkage. Identified parents: father Daniel Day (~0.92 confidence) and mother Louise Day (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Daniel Day
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Louise Day
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Day
Head · 1930 · age 37 · b. ~1893 · New Jersey
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Union, New Jersey
Open full size
1930 US Federal Census — Union, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1390:0476)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lewis Horton | 28 | Head | Principal | New Jersey |
| 2 | Helen Horton | 25 | Wife | — | Pennsylvania |
| 3 | Grace Horton | 25 | Sister in law | Teacher | Pennsylvania |
| 4 | Charles Eminger | 43 | Head | Asst. Cashier | New York |
| 5 | Jessie Eminger | 33 | Wife | Teacher | Vermont |
| 6 | Charles Ash | 41 | Head | Buyer | New Jersey |
| 7 | Margaret Ash | 39 | Wife | Booklady | New Jersey |
| 8 | Robert Ash | 18 | Son | Checker | New Jersey |
| 9 | Eugene Ash | 17 | Son | — | New Jersey |
| 10 | Robert L. Taylor | 37 | Head | Salesman | New York |
| 11 | Robert Taylor | 33 | Son | — | New Jersey |
| 12 | Robert Taylor | 9 | Son | — | New Jersey |
| 13 | Emma Gass | 61 | Mother in law | — | New York |
| 14 | Irving Hands | 25 | Head | Musician | New Jersey |
| 15 | Florence Hands | 21 | Wife | — | New Jersey |
| 16 | Irving Hands | 2 | Son | — | New Jersey |
| 17 | Elizabeth Ryan | 38 | H | Accountant | New York |
| 18 | Rita Ryan | 11 | Daughter | — | New Jersey |
| 19 | Mary E. Theobalds | 63 | Mother | — | Irish Free State |
| 20 | Harry Wilson | 32 | Brother in law | Proprietor | New York |
| 21 | Mary E. Wilson | 31 | Sister | — | New York |
| 22 | Margaret Wilson | 5 | Niece | — | New Jersey |
| 23 | Frank J. Mckeon | 35 | Head | Sales Manager | New York |
| 24 | Dorothy Mckeon | 35 | Wife | — | New York |
| 25 | Eugene Mckeon | 7 | Son | — | New York |
| 26 | Arthur Mckeon | 5 | Son | — | New York |
| 27 | Harry W. Duryee | 42 | Head | Carpenter | New York |
| 28 | Anna Duryee | 38 | Wife | — | New Jersey |
| 29 | William Day THIS PERSON | 37 | Head | Building Contractor | New Jersey |
| 30 | Thelma Day | 32 | Wife | — | Pennsylvania |
| 31 | Winifred Day | 9 | Daughter | — | New Jersey |
| 32 | Ruth Day | 7 | Daughter | — | New Jersey |
| 33 | Marguerite Bailey | 44 | Head | Saleswoman | New York |
| 34 | Russell Eldridge | 38 | Head | Director Of Employment | New York |
| 35 | Susan Eldridge | 34 | Wife | — | New Jersey |
| 36 | Ronald Eldridge | 8 | Son | — | New Jersey |
| 37 | Russell Eldridge | 1 | Son | — | New Jersey |
| 38 | Mary Eldridge | 67 | Mother | — | New York |
| 39 | Grace Eldridge | 42 | Sister | Saleswoman | New Jersey |
| 40 | Charles Fick | 33 | Head | Patrolman | New Jersey |
| 41 | Josephine Fick | 31 | Wife | — | New York |
| 42 | La Robert Fick | 7 | Son | — | New Jersey |
| 43 | Mary Fick | 3 | Daughter | — | New Jersey |
| 44 | De Witt Merrell | 46 | Head | Laborer | New Jersey |
| 45 | Amelia Merrell | 40 | Wife | — | New Jersey |
| 46 | Elizabeth Merrell | 12 | Daughter | — | New Jersey |
| 47 | Eleanor Merrell | 11 | Daughter | — | New Jersey |
| 48 | Norman Tieman | 36 | Head | Sign Artist | New Jersey |
| 49 | Catherine Tieman | 31 | Wife | Operator | New Jersey |
| 50 | John Rydberg | 40 | Head | Foreman | Norway |
Pedigree Summary
William
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 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)