RE
Robert Ellis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Union-County, New Jersey
Our Model Tree links this Robert Ellis across the 1920, 1930 and 1940 US Censuses in Union-County, New Jersey (XGBoost, ~Confirmed), with identified parents Robert & Robert — first a son (b.~1909), then head of a 6-person household.
Age 31
b. ~1909
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, New Jersey |
| Surname | Ellis |
| Given Name | Robert H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Plainfield City |
| 1935 Residence (County) | Union |
| Additional Details | |
| Occupation | Draftsman |
| Industry | Ship Navy Yard |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Draftsman |
| Township / Ward | Plainfield City |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Rita Mccaffrey | Daughter | — | 6 | ~1934 |
| Mildred Mccaffrey | Daughter | — | 31 | ~1909 |
| Marie Ellis | Head | — | 63 | ~1877 |
| John Hefele | Other | — | 24 | ~1916 |
| Robert Ellis | Son | — | 31 | ~1909 |
| John Mccaffrey | Spouse | — | 35 | ~1905 |
Census Appearances
1920
Union, New …
Son, age 13
Union, New Jersey · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ellis |
| Given Name | Robert H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | England |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Union, New …
Son, age 23
Union, New Jersey · implied b. ~1907 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ellis |
| Given Name | Robert W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | England |
| Mother's Birthplace | New York |
| Occupation | Draftsman |
| Industry | Aluminum Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Union-County, New …
Son, age 31
Union-County, New Jersey · implied b. ~1909 — 6 household members
| Surname | Ellis |
| Given Name | Robert H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Plainfield City |
| 1935 Residence (County) | Union |
| Occupation | Draftsman |
| Industry | Ship Navy Yard |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| 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 Robert Ellis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Ellis (~0.92 confidence) and father Robert Ellis (~0.92 confidence) and mother Marie Ellis (~0.92 confidence) and father John Mccaffrey (~0.60 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.84
Father
Robert Ellis
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Robert Ellis
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Marie Ellis
b. ~1877
Source mother
● Household
· direct · ~0.92
Father
John Mccaffrey
b. ~1905
Source father
● Household
· direct · ~0.6
This person
Anchor record
Robert Ellis
Son · 1940 · age 31 · b. ~1909 · New Jersey
★ You are viewing this record
Sibling
Mildred Mccaffrey
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Mccaffrey
Sibling · 1940 · age 6
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
1940 US Federal Census — Union-County, New Jersey
Open full size
1940 US Federal Census — Union-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02387-00590)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James J. Kyle | 46 | Head | Sales | New Jersey |
| 2 | Theresa H. Kyle | 43 | Wife | — | New York |
| 3 | James J. Jr. Kyle | 17 | Son | — | New Jersey |
| 4 | Thomas A. Kyle | 13 | Son | — | New Jersey |
| 5 | Maryann Kyle | 10 | Daughter | — | New Jersey |
| 6 | Andrew Nielsen | 66 | Head | Chauffeur | Denmark |
| 7 | Anna Nielsen | 61 | Wife | — | Denmark |
| 8 | Andrew Jr. Nielsen | 26 | Son | Clerk | New Jersey |
| 9 | Harold F. Nielsen | 20 | Son | Clerk | New Jersey |
| 10 | Harry S. Cornell | 75 | Head | — | Illinois |
| 11 | Jennie V. Smith | 65 | Sister | — | Illinois |
| 12 | George Spashre|Spashore | 45 | Head | — | New York |
| 13 | George L. Jr. Spashre|Spashore | 27 | Son | Machinist | New Jersey |
| 14 | William M. Spashre|Spashore | 24 | Son | Stock Clerk | New Jersey |
| 15 | Mary F. Spashre|Spashore | 22 | Daughter | Nurse | New Jersey |
| 16 | Vincent D. Spashre|Spashore | 21 | Son | Burnisher | New Jersey |
| 17 | Thomas J. Spashre|Spashore | 19 | Son | — | New Jersey |
| 18 | Margaret M. Spashre|Spashore | 17 | Daughter | — | New Jersey |
| 19 | Nathan Cohen | 49 | Head | Collector | New York |
| 20 | Lena Cohen | 39 | Wife | — | Russia |
| 21 | Ruth Cohen | 16 | Daughter | — | New Jersey |
| 22 | Adell R. Cohen | 11 | Daughter | — | New Jersey |
| 23 | Samuel Burg | 50 | Head | Machinist | Austria |
| 24 | Rose Burg | 43 | Wife | — | Romania |
| 25 | Hannah Burg | 14 | Daughter | — | New Jersey |
| 26 | Samuel Levine | 50 | Lodger | Painter | Russia |
| 27 | Abraham Kuormark|Knormark | 59 | Head | Cutter | Russia |
| 28 | Mollie Kuormark|Knormark | 51 | Wife | — | Romania |
| 29 | Isabell S. Kuormark|Knormark | 26 | Daughter | Service Wage | New Jersey |
| 30 | Vera Kuormark|Knormark | 20 | Daughter | Social Investigator | No. Carolina |
| 31 | Marie Ellis | 63 | Head | — | New York |
| 32 | Robert H. Ellis THIS PERSON | 31 | Son | Draftsman | New Jersey |
| 33 | Mildred G. Mccaffrey | 31 | Daughter | — | New Jersey |
| 34 | John Mccaffrey | 35 | Husband | — | New Jersey |
| 35 | Rita M. Mccaffrey | 6 | Daughter | — | New Jersey |
| 36 | John Hefele | 24 | Lodger | Printer | New York |
| 37 | Michel Demond | 37 | Head | Sexton | Ireland |
| 38 | Delia Demond | 30 | Wife | — | Ireland |
| 39 | James Glenn | None | Lodger | — | Connecticut |
| 40 | Alexander Durovich | 55 | Head | Machinist | Russia |
Pedigree Summary
Robert + 2 siblings
Gen 1 · 4 parents
~0.84
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)