JH
John Harris — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Harris across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Lela — first a head (b.~1907), then head of a 5-person household.
Age 33
b. ~1907
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Harris |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Social Worker |
| Industry | Charity |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | C 4 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Social Worker |
| Township / Ward | Boston City |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Leah Harris | Daughter | — | 2 | ~1938 |
| John Harris | Head | — | 33 | ~1907 |
| Mildred Franklin | Other | — | 41 | ~1899 |
| Martin Harris | Son | — | 2 | ~1938 |
| Rose Harris | Spouse | — | 31 | ~1909 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 14
Suffolk, Massachusetts · implied b. ~1906 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 24
Suffolk, Massachusetts · implied b. ~1906 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Attorney |
| Industry | At Law |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 33
Suffolk-County, Massachusetts · implied b. ~1907 — 5 household members
| Surname | Harris |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Social Worker |
| Industry | Charity |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | C 4 |
| 1935 Residence | Same Place |
| 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 Harris across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Lela Harris (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Lela Harris
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Harris
Head · 1940 · age 33 · b. ~1907 · Massachusetts
★ 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 — 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-t0627-01670-00689)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Donald A. Dwyer | 14 | Son | — | Massachusetts |
| 2 | James C. Boyle | 87 | Lodger | — | Maine |
| 3 | Annie S. Harrington | 74 | Lodger | — | Maine |
| 4 | John G. Griffin | 42 | Head | Operator | Massachusetts |
| 5 | Esther M. Griffin | 36 | Wife | — | Vermont |
| 6 | Nathan Kishler | 37 | Head | Operator | Poland |
| 7 | Esther Kishler | 34 | Wife | — | Massachusetts |
| 8 | John Kishler | 10 | Son | — | Massachusetts |
| 9 | Gail Kishler | 3 | Daughter | — | Massachusetts |
| 10 | John H. Harris THIS PERSON | 33 | Head | Social Worker | Massachusetts |
| 11 | Rose Harris | 31 | Wife | — | Russia |
| 12 | Martin Harris | 2 | Son | — | Massachusetts |
| 13 | Leah Harris | 2 | Daughter | — | Massachusetts |
| 14 | Mildred Franklin | 41 | Lodger | Seamstress | England |
| 15 | Harry Schwartz | 44 | Head | Shipper | Russia |
| 16 | Ida Schwartz | 42 | Wife | — | Russia |
| 17 | Samuel Rosanovitz | 43 | Head | Buyer | Russia |
| 18 | Sonia S. Rosanovitz | 40 | Wife | — | Massachusetts |
| 19 | Florence Rosanovitz | 12 | Daughter | — | Massachusetts |
| 20 | John Komar | 48 | Head | Baker | Russia |
| 21 | Lena Komar | 45 | Wife | — | Massachusetts |
| 22 | Joseph Rosi | 46 | Head | Shoe Worker | Massachusetts |
| 23 | Celia Rosi | 31 | Wife | — | Massachusetts |
| 24 | Ilene N. Rosi | 1 | Daughter | — | Massachusetts |
| 25 | Stanley Kuzza | 29 | Head | Baker | Maine |
| 26 | Mary Kuzza | 28 | Wife | Milliner | Massachusetts |
| 27 | Louis Frank | 53 | Head | Shipper | Poland |
| 28 | Celia Frank | 54 | Wife | — | Poland |
| 29 | Bernice Frank | 22 | Daughter | Bookkeeper | Massachusetts |
| 30 | Samuel Tucker | 42 | Head | Prop. Shop | Poland |
| 31 | Pauline Tucker | 40 | Wife | Salesgirl | Poland |
| 32 | Bessie Tucker | 44 | Sister | Salesgirl | Poland |
| 33 | Elizabeth Goldberg | 63 | Head | — | Russia |
| 34 | Moodle Muser | 70 | Lodger | — | Russia |
| 35 | Albert Levanty | 32 | Head | Meat Cutter | Massachusetts |
| 36 | Evelyn Levanty | 27 | Wife | — | Russia |
| 37 | Joseph Goldman | 31 | Head | Contractor | Massachusetts |
| 38 | Thelma Goldman | 26 | Wife | — | Massachusetts |
| 39 | Marjorie Goldman | 2 | Daughter | — | Massachusetts |
| 40 | Bernard Singer | 43 | Head | Producer | Russia |
Pedigree Summary
John
Gen 1 · 1 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)