JW
John Warren — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Warren across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Clifford & Clifford — first a son (b.~1914), then head of a 5-person household.
Age 26
b. ~1914
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Warren |
| Given Name | John C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Teacher |
| Industry | Private School |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 3491 |
| Highest Grade | C 4 |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Teacher |
| Township / Ward | Boston |
| Est. Birth Year | ~1914 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Alice Warren | Daughter | — | 25 | ~1915 |
| Edith Warren | Daughter | — | 14 | ~1926 |
| Margaret Warren | Head | — | 49 | ~1891 |
| John Warren | Son | — | 26 | ~1914 |
| William Warren | Son | — | 20 | ~1920 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 6
Suffolk, Massachusetts · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Warren |
| Given Name | John G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 16
Suffolk, Massachusetts · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Warren |
| Given Name | John C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 26
Suffolk-County, Massachusetts · implied b. ~1914 — 5 household members
| Surname | Warren |
| Given Name | John C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (County) | Suffolk |
| Occupation | Teacher |
| Industry | Private School |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 3491 |
| Highest Grade | C 4 |
| 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 John Warren across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Clifford Warren (~0.92 confidence) and father Clifford Warren (~0.92 confidence) and mother Margaret Warren (~0.92 confidence) and mother Margaret Warren (~0.92 confidence) and mother Margaret Warren (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Clifford Warren
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Clifford Warren
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Margaret Warren
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Margaret Warren
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Margaret Warren
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Warren
Son · 1940 · age 26 · b. ~1914 · Massachusetts
★ You are viewing this record
Sibling
Alice Warren
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Warren
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Warren
Sibling · 1940 · age 20
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01680-00615)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Cecile M. Duggan | 2 | Daughter | — | Massachusetts |
| 42 | Rose K. Haggis | 20 | Servant | Maid | England |
| 43 | Thornton W. Jenness | 56 | Head | Broker | New Hampshire |
| 44 | Carrie E. Jenness | 50 | Wife | — | Massachusetts |
| 45 | John S. Jenness | 17 | Son | — | Massachusetts |
| 46 | Ida L. Nettles | 78 | Mother | — | New York |
| 47 | Margaret C. Warren | 49 | Head | — | Massachusetts |
| 48 | John C. Warren THIS PERSON | 26 | Son | Teacher | Massachusetts |
| 49 | Alice L. Warren | 25 | Daughter | Secretary | Massachusetts |
| 50 | William F. Warren | 20 | Son | — | Massachusetts |
| 51 | Edith A. Warren | 14 | Daughter | — | Massachusetts |
| 52 | John F. Robinson | 40 | Head | Industrial Engineer | Vermont |
| 53 | Elsie M. Robinson | 39 | Wife | — | Massachusetts |
| 54 | John Jr. Robinson | 13 | Son | — | Massachusetts |
| 55 | Elizabeth M. Robinson | 11 | Daughter | — | Massachusetts |
| 56 | Alexander G. Robinson | 9 | Son | — | Massachusetts |
| 57 | Mary L. Robinson | 6 | Daughter | — | Massachusetts |
| 58 | James D. Sutherland | 35 | Head | Lawyer | Massachusetts |
| 59 | Dorothy M. Sutherland | 31 | Wife | — | Massachusetts |
| 60 | James H. Walsh | 51 | Head | 40 | New York |
| 61 | Mary A. Walsh | 50 | Wife | — | New York |
| 62 | Miriam A. Walsh | 19 | Daughter | — | Massachusetts |
| 63 | Eileen P. Walsh | 18 | Daughter | — | Massachusetts |
| 64 | Gertrude A. Walsh | 17 | Daughter | — | Massachusetts |
| 65 | Julia F. Walsh | 13 | Daughter | — | Massachusetts |
| 66 | Margery Walsh | 10 | Daughter | — | Massachusetts |
| 67 | Cathleen Walsh | 9 | Daughter | — | Massachusetts |
| 68 | — | None | — | — | — |
| 69 | Albert E. Barnes | 60 | Head | Contractor | Massachusetts |
| 70 | Helen T. Barnes | 60 | Wife | — | Maine |
| 71 | George C. Wotton | 29 | Lodger | Accountant | Maine |
| 72 | Guy L. Harvey | 44 | Head | Treasurer | Maine |
| 73 | Gladys P. Harvey | 44 | Wife | — | Massachusetts |
| 74 | Fred J. Parker | 77 | Father-in-law | — | Maine |
| 75 | Ida A. Parker | 71 | Mother-in-law | — | Maine |
| 76 | Florence M. Swallow | 78 | Head | — | Massachusetts |
| 77 | Sara J. Mayhew | 73 | Sister | — | Massachusetts |
| 78 | Walter H. Gordon | 67 | Lodger | Painting Contractor | Massachusetts |
| 79 | Francis R. Keenan | 37 | Head | Secretary | Massachusetts |
| 80 | Ann M. Keenan | 33 | Wife | — | Massachusetts |
Pedigree Summary
John + 3 siblings
Gen 1 · 5 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)