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Robert Warren — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Robert Warren across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Frank & Lillie — first a son (b.~1916), then head of a 11-person household.
Age 24
b. ~1916
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Warren |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Haverhill city |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | yarn-tier |
| Industry | woolen mill |
| Class of Worker | PW |
| Hours Worked | 17 |
| Income (1939) | 496 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Yarn-Tier |
| Township / Ward | Haverhill City |
| Est. Birth Year | ~1916 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Francis Warren | Head | — | 51 | ~1889 |
| Robert Warren | Son | — | 24 | ~1916 |
| Ralph Warren | Son | — | 17 | ~1923 |
| Rossell Warren | Son | — | 14 | ~1926 |
| Granddaughter Joan | Other | — | — | |
| Roy Warren | Son | — | 10 | ~1930 |
| Edward Warren | Son | — | 19 | ~1921 |
| Elmer Warren | Son | — | 15 | ~1925 |
| Nellie Warren | Spouse | — | 48 | ~1892 |
| Grandson Francis | Other | — | — | |
| Ruth Warren | Daughter | — | 23 | ~1917 |
Census Appearances
1920
Essex, Massachusetts
Son, age 4
Essex, Massachusetts · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Warren |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Massachusetts |
| Can Write | Yes |
| Speaks English | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Son, age 14
Essex, Massachusetts · implied b. ~1916 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Warren |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Son, age 24
Essex-County, Massachusetts · implied b. ~1916 — 11 household members
| Surname | Warren |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Haverhill city |
| 1935 Residence (County) | Essex |
| Occupation | yarn-tier |
| Industry | woolen mill |
| Class of Worker | PW |
| Hours Worked | 17 |
| Income (1939) | 496 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Warren across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Warren (~0.92 confidence) and mother Lillie Warren (~0.92 confidence) and mother Nellie Warren (~0.92 confidence) and mother Nellie Warren (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Warren
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Lillie Warren
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Nellie Warren
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Nellie Warren
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Warren
Son · 1940 · age 24 · b. ~1916 · Massachusetts
★ You are viewing this record
Sibling
Roy Warren
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Warren
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Warren
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rossell Warren
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Warren
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Warren
Sibling · 1940 · age 23
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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
11 people indexed on this census page (nara:1940:m-t0627-01580-00595)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Francis E. Warren | 51 | Head | Road Laborer | New Hampshire |
| 2 | Nellie M. Warren | 48 | Wife | — | Massachusetts |
| 3 | Robert E. Warren THIS PERSON | 24 | Son | Yarn-Tier | Massachusetts |
| 4 | Ruth M. Warren | 23 | Daughter | Trimmer | New Hampshire |
| 5 | Edward R. Warren | 19 | Son | Yarn-Tier | Massachusetts |
| 6 | Ralph F. Warren | 17 | Son | New Worker | Massachusetts |
| 7 | Elmer E. Warren | 15 | Son | — | Massachusetts |
| 8 | Rossell Warren | 14 | Son | — | Massachusetts |
| 9 | Roy E. Warren | 10 | Son | — | Massachusetts |
| 10 | Grandson Francis | None | M | — | — |
| 11 | Granddaughter Joan | None | F | — | — |
Pedigree Summary
Robert + 6 siblings
Gen 1 · 4 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)