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William Haines — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this William Haines across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed), with identified parents Jason & Anna — first a head (b.~1903), then head of a 5-person household.
Age 37
b. ~1903
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Haines |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Hamilton Twp. |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Plumber |
| Industry | Contract Plumber |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1900 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Plumber |
| Township / Ward | Hamilton Twp |
| Est. Birth Year | ~1903 |
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 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Helen Haines | Spouse | — | 34 | ~1906 |
| Bernice Haines | Daughter | — | 11 | ~1929 |
| Mistle Haines | Daughter | — | 13 | ~1927 |
| William Haines | Son | — | 6 | ~1934 |
| William Haines | Head | — | 37 | ~1903 |
Census Appearances
1920
Mercer, New …
Son, age 17
Mercer, New Jersey · implied b. ~1903 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Haines |
| Given Name | William |
| 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 |
| Occupation | Helper |
| Industry | Iron Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Mercer, New …
Head, age 27
Mercer, New Jersey · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Haines |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 23 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Plumber |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 40.00 |
| Radio Set | R |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Head, age 37
Mercer-County, New Jersey · implied b. ~1903 — 5 household members
| Surname | Haines |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Hamilton Twp. |
| 1935 Residence (County) | Mercer |
| Occupation | Plumber |
| Industry | Contract Plumber |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1900 |
| 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 William Haines across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jason Haines (~0.92 confidence) and mother Anna Haines (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jason Haines
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Anna Haines
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Haines
Head · 1940 · age 37 · b. ~1903 · New Jersey
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Mercer-County, New Jersey
Open full size
1940 US Federal Census — Mercer-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02356-00863)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George De Vault | 21 | Son | Junior Clerk | New Jersey |
| 2 | Andrew Auletta | 33 | Head | Barber | New Jersey |
| 3 | Lenore Auletta | 26 | Wife | General Worker | New Jersey |
| 4 | Angelo Auletta | 3 | Son | — | New Jersey |
| 5 | William Haines THIS PERSON | 37 | Head | Plumber | New Jersey |
| 6 | Helen Haines | 34 | Wife | — | New Jersey |
| 7 | Mistle Haines | 13 | Daughter | — | New Jersey |
| 8 | Bernice Haines | 11 | Daughter | — | New Jersey |
| 9 | William Haines | 6 | Son | — | New Jersey |
| 10 | Joseph Mchenney | 60 | Head | Packer | New York |
| 11 | Rachel Mchenney | 56 | Wife | — | Pennsylvania |
| 12 | Joseph Jr. Mchenney | 19 | Son | Laborer | New Jersey |
| 13 | Francis Dodd | 43 | Head | Laborer | New Jersey |
| 14 | Anna Dodd | 42 | Wife | — | New Jersey |
| 15 | Francis Jr. Dodd | 12 | Son | — | New Jersey |
| 16 | Gloria Dodd | 10 | Daughter | — | New Jersey |
| 17 | Harry Sr. Gode | 48 | Head | Wire Drawer | New Jersey |
| 18 | Mary Gode | 47 | Wife | — | New Jersey |
| 19 | Harry Jr. Gode | 22 | Son | Laborer | New Jersey |
| 20 | Mary Gode | 21 | Daughter | Assembling | New Jersey |
| 21 | Edward Harris | 41 | Head | Roofer | New Jersey |
| 22 | May Harris | 40 | Wife | Weaver | New Jersey |
| 23 | Marilyn Harris | 14 | Daughter | — | New Jersey |
| 24 | Edward Harris | 9 | Son | — | New Jersey |
| 25 | Joseph Graves | 60 | Boarder | Wire Weaver | New Jersey |
| 26 | Harry Dapp | 58 | Head | Steam Fitter | New Jersey |
| 27 | Gertrude Dapp | 46 | Wife | — | New Jersey |
| 28 | Gordon Mudge | 21 | Boarder | Selecting | Pennsylvania |
| 29 | George Engelbrandt | 45 | Head | Blacksmith | New York |
| 30 | Estella Engelbrandt | 45 | Wife | — | New Jersey |
| 31 | William Engelbrandt | 16 | Son | — | New Jersey |
| 32 | Charles Snyder | 31 | Head | Bus Driver | New Jersey |
| 33 | Anna Snyder | 30 | Wife | — | Pennsylvania |
| 34 | Charles Jr. Snyder | 5 | Son | — | New Jersey |
| 35 | Patricia Snyder | 3 | Daughter | — | New Jersey |
| 36 | George Snyder | 29 | Brother | Laborer | New Jersey |
| 37 | Louis Rath | 42 | Head | Baker | New Jersey |
| 38 | Bessie Rath | 37 | Wife | — | New Jersey |
| 39 | Charles Rath | 10 | Son | — | New Jersey |
| 40 | Robert Rath | 8 | Son | — | New Jersey |
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 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)