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William Rich — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this William Rich across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed), with identified parents Freda & Freda — first a head (b.~1907), then head of a 3-person household.
Age 33
b. ~1907
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Rich |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Foreman |
| Industry | Hard Rubber Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1316 |
| Highest Grade | Hs 4 |
| 1935 Residence | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Foreman |
| Township / Ward | Lawrence Twp |
| Est. Birth Year | ~1907 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Bertha Rich | Spouse | — | 41 | ~1899 |
| William Rich | Head | — | 33 | ~1907 |
| Mary Rich | Daughter | — | 23 | ~1917 |
Census Appearances
1920
Mercer, New …
Son, age 10
Mercer, New Jersey · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Rick |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Mercer, New …
Son, age 21
Mercer, New Jersey · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Rich |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Civil Service Clerk |
| Industry | State House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Head, age 33
Mercer-County, New Jersey · implied b. ~1907 — 3 household members
| Surname | Rich |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Mercer |
| Occupation | Foreman |
| Industry | Hard Rubber Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1316 |
| Highest Grade | Hs 4 |
| 1935 Residence | New Jersey |
| 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 Rich across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Freda Rick (~0.92 confidence) and mother Freda Rich (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Freda Rick
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Freda Rich
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Rich
Head · 1940 · age 33 · b. ~1907 · 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-t0627-02357-00310)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Preston E. Barnes | 51 | Head | Contractor | New Jersey |
| 2 | Lydia Barnes | 46 | Wife | — | New Jersey |
| 3 | Lloyd Barnes | 26 | Son | Laborer | New Jersey |
| 4 | Walter Barnes | 22 | Son | Painter | New Jersey |
| 5 | Margaret M. Williams | 58 | Head | — | New Jersey |
| 6 | John Williams | 52 | Husband | Bacteriologist | Penna |
| 7 | Charles Ellis | 43 | Head | Carpenter | New Jersey |
| 8 | Margaret Ellis | 36 | Wife | — | New Jersey |
| 9 | David Van Dam | 34 | Head | Carpenter | New Jersey |
| 10 | Valier Van Dam | 33 | Wife | — | New Jersey |
| 11 | Julia Mary Papp | 46 | Head | Laborer | Hungary |
| 12 | Julia Papp | 24 | Daughter | Laborer | New Jersey |
| 13 | Helen Papp | 25 | Daughter | — | New Jersey |
| 14 | Stanley Korytkowski | 40 | Head | Iron Worker Helper | Poland |
| 15 | Lillian Korytkowski | 34 | Wife | — | New Jersey |
| 16 | Edward Korytkowski | 11 | Son | — | New Jersey |
| 17 | Henrietta Korytkowski | 10 | Daughter | — | New Jersey |
| 18 | Stella Korytkowski | 6 | Daughter | — | New Jersey |
| 19 | William Rich THIS PERSON | 33 | Head | Foreman | New Jersey |
| 20 | Bertha Rich | 41 | Wife | Stitcher | New Jersey |
| 21 | Mary Rich | 23 | Daughter | — | New Jersey |
| 22 | Alfred B. Blake | 60 | Head | Subway Engineer | New Jersey |
| 23 | Hannah M. Blake | 63 | Wife | — | England |
| 24 | Mary Blake | 80 | Mother | — | England |
| 25 | H. Raymond Dye | 51 | Head | Farmer | New Jersey |
| 26 | Hazel Dye | 51 | Wife | — | New Jersey |
| 27 | Edward Taylor | 60 | Head | Farmer | New Jersey |
| 28 | Hannah B. Taylor | 63 | Wife | — | New Jersey |
| 29 | George H. Poinsett | 58 | Head | Timekeeper | New Jersey |
| 30 | Ethel Poinsett | 54 | Wife | — | Penna |
| 31 | Arlyn Poinsett | 26 | Daughter | Teacher | Kansas |
| 32 | Gordon Poinsett | 24 | Son | Teacher | Penna |
| 33 | Ilona Poinsett | 21 | Daughter | — | Penna |
| 34 | Norman Poinsett | 13 | Son | — | New Jersey |
| 35 | Ronald Poinsett | 31 | Head | Clerk | New Jersey |
| 36 | Eleanor Poinsett | 29 | Wife | — | New Jersey |
| 37 | Ronald Jr. Poinsett | 5 | Son | — | New Jersey |
| 38 | Lottie Borkowski | 58 | Head | — | Poland |
| 39 | Joseph Korytkowski | 38 | Son | — | Poland |
| 40 | Helen Korytkowski | 26 | Daughter | — | Penna |
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)