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Harold White — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Harold White across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Reuben & Elizabeth — first a head (b.~1905), then head of a 6-person household.
Age 35
b. ~1905
Male
Head
Born: Rhode Island
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | White |
| Given Name | Harold A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Chelmsford |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Agent |
| Industry | Life Ins. |
| Class of Worker | PW |
| Hours Worked | 80 |
| Income (1939) | 3000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Occupation | Agent |
| Township / Ward | Chelmsford |
| Est. Birth Year | ~1905 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Marcia White | Daughter | — | 3 | ~1937 |
| Barbara White | Daughter | — | 1 | ~1939 |
| Marjorie White | Daughter | — | 10 | ~1930 |
| Harold White | Head | — | 35 | ~1905 |
| Robert White | Son | — | 7 | ~1933 |
| Hilda White | Spouse | — | 36 | ~1904 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 15
Middlesex, Massachusetts · implied b. ~1905 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | White |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Sizer |
| Industry | Cotton Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
County Of …
Head, age 25
County Of Middlesex, Massachusetts · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | White |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| Age at First Marriage | 24 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Shipper |
| Industry | Woolen Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Veteran | No |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
Middlesex-County, Massachusetts
Head, age 35
Middlesex-County, Massachusetts · implied b. ~1905 — 6 household members
| Surname | White |
| Given Name | Harold A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Chelmsford |
| 1935 Residence (County) | Middlesex |
| Occupation | Agent |
| Industry | Life Ins. |
| Class of Worker | PW |
| Hours Worked | 80 |
| Income (1939) | 3000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
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 Harold White across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Reuben White (~0.92 confidence) and mother Elizabeth White (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Reuben White
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Elizabeth White
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold White
Head · 1940 · age 35 · b. ~1905 · 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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01603-00753)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Stephen E. Mansur | 34 | Head | Shoe Sorter | Massachusetts |
| 42 | Marion F. Mansur | 27 | Wife | Clerk | New Hampshire |
| 43 | John H. Malloy | 35 | Head | Engineer | Massachusetts |
| 44 | Muriel Malloy | 32 | Wife | — | Maine |
| 45 | Malcolm G. Malloy | 7 | Son | — | Massachusetts |
| 46 | Frank B. Hartley | 39 | Head | Teller | Massachusetts |
| 47 | Hazel M. Hartley | 33 | Wife | — | Massachusetts |
| 48 | William D. Hartley | 6 | Son | — | Massachusetts |
| 49 | Marilyn Hartley | 1 | Daughter | — | Massachusetts |
| 50 | James F. Cahill | 51 | Head | Pharmacist | Massachusetts |
| 51 | Alice M. Cahill | 49 | Wife | Clerk | Massachusetts |
| 52 | Warren A. Mcdonnell | 40 | Head | Inspector | Massachusetts |
| 53 | Ann E. Mcdonnell | 35 | Wife | — | Massachusetts |
| 54 | Oscar T. Grahn | 40 | Head | Production Mgr. | Massachusetts |
| 55 | Edna L. Grahn | 39 | Wife | — | Massachusetts |
| 56 | Gloria Grahn | 11 | Daughter | — | Massachusetts |
| 57 | Claude B. Knapp | 46 | Head | Poultry | Massachusetts |
| 58 | Katherine F. Knapp | 45 | Wife | — | Massachusetts |
| 59 | Robert J. Knapp | 19 | Son | Poultry | Massachusetts |
| 60 | Eva B. Knapp | 72 | Mother | — | New York |
| 61 | Thomas R. Hennessey | 49 | Head | Sales Mgr. | Massachusetts |
| 62 | Mary A. Hennessey | 48 | Wife | — | Massachusetts |
| 63 | Thomas R. Hennessey | 24 | Son | Singer | Massachusetts |
| 64 | William J. Hennessey | 17 | Son | — | Massachusetts |
| 65 | Louise Hennessey | 13 | Daughter | — | Massachusetts |
| 66 | Warren C. Larue | 32 | Head | General Contractor | Massachusetts |
| 67 | Naomi D. Larue | 29 | Wife | — | Kansas |
| 68 | James Mcgillisray | 30 | Head | Chemist | England |
| 69 | Helen J. Mcgillisray | 27 | Wife | Clerk | New Hampshire |
| 70 | Lana D. Mcgillisray | 1 | Son | — | Massachusetts |
| 71 | Herbert C. Larson | 36 | Head | Repair Man | New Hampshire |
| 72 | Ada F. Larson | 31 | Wife | — | Massachusetts |
| 73 | Robert C. Larson | 4 | Son | — | Massachusetts |
| 74 | Harold A. White THIS PERSON | 35 | Head | Agent | Rhode Island |
| 75 | Hilda White | 36 | Wife | — | Massachusetts |
| 76 | Marjorie White | 10 | Daughter | — | Massachusetts |
| 77 | Robert White | 7 | Son | — | Massachusetts |
| 78 | Marcia White | 3 | Daughter | — | Massachusetts |
| 79 | Barbara White | 1 | Daughter | — | Massachusetts |
| 80 | Charles E. Thompson | 53 | Head | Yard Clerk | Massachusetts |
Pedigree Summary
Harold
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)