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Harold Adams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Harold Adams across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1893), then head of a 4-person household.
Age 47
b. ~1893
Male
Head
Born: New Hampshire
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Adams |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Somerville |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Painter |
| Industry | Contractor |
| Class of Worker | E |
| Hours Worked | 40 |
| Income (1939) | 1900 |
| Highest Grade | C 1 |
| 1935 Residence | Mass |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Painter |
| Township / Ward | Medford |
| Est. Birth Year | ~1893 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Margaret Adams | Daughter | — | 23 | ~1917 |
| Rose Adams | Spouse | — | 44 | ~1896 |
| Lawrence Adams | Son | — | 24 | ~1916 |
| Harold Adams | Head | — | 47 | ~1893 |
Census Appearances
1920
Middlesex, Massachusetts
Head, age 29
Middlesex, Massachusetts · implied b. ~1891 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Harold W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Water Tender |
| Industry | Electric Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Middlesex, Massachusetts
Head, age 38
Middlesex, Massachusetts · implied b. ~1892 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Harold F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Age at First Marriage | 30 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Paper Hanger |
| Industry | Painting |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 40 |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Middlesex-County, Massachusetts
Head, age 47
Middlesex-County, Massachusetts · implied b. ~1893 — 4 household members
| Surname | Adams |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Somerville |
| 1935 Residence (County) | Middlesex |
| Occupation | Painter |
| Industry | Contractor |
| Class of Worker | E |
| Hours Worked | 40 |
| Income (1939) | 1900 |
| Highest Grade | C 1 |
| 1935 Residence | Mass |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 Adams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Harold Adams
Head · 1940 · age 47 · b. ~1893 · Massachusetts
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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-t0627-01612-00033)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Kathryn Faley | 46 | Sister-in-law | 0 | Ireland |
| 42 | Elizabeth Faley | 42 | Sister-in-law | 0 | Ireland |
| 43 | William Hillatt | 70 | Head | Carpenter | Great Britain |
| 44 | Annie Hillatt | 65 | Wife | 0 | Nova Scotia |
| 45 | Jane Allan | 50 | Lodger | Clerk | Boston |
| 46 | Michael Higgins | 75 | Head | Chauffeur | Ireland |
| 47 | Kathryn Higgins | 70 | Wife | 0 | Ireland |
| 48 | John Higgins | 37 | Son | Clerk | Lynn |
| 49 | Mary Higgins | 37 | Daughter | 0 | Ireland |
| 50 | George Leavitt | 37 | Head | Salesman | Vermont |
| 51 | Mildred Leavitt | 36 | Wife | 0 | Arlington |
| 52 | Barbara Leavitt | 15 | Daughter | 0 | Arlington |
| 53 | Margaret Leavitt | 14 | Daughter | 0 | Arlington |
| 54 | George Leavitt | 13 | Son | 0 | Arlington |
| 55 | Charles Leavitt | 11 | Son | 0 | Arlington |
| 56 | Robert Leavitt | 10 | Son | 0 | Arlington |
| 57 | Edwin Leavitt | 8 | Son | 0 | Somerville |
| 58 | William Leavitt | 2 | Son | 0 | Somerville |
| 59 | Nancy Leavitt | 0 | Daughter | 0 | Medford |
| 60 | Robert Watts | 57 | Head | Machinist | England |
| 61 | Grace Watts | 55 | Wife | 0 | Rhode Island |
| 62 | Dorothy Watts | 23 | Daughter | Bookkeeper | Cambridge |
| 63 | William Brae | 53 | Head | Janitor | Ireland |
| 64 | Ann J. Brae | 27 | Daughter | Stenographer | Medford |
| 65 | Harry Pastrouny | 38 | Head | Electrical | New York |
| 66 | Lola Pastrouny | 34 | Wife | Stenographer | Kansas |
| 67 | Thomas Harris | 30 | Head | Accountant | P.E.I. |
| 68 | Mary Harris | 31 | Wife | 0 | P.E.I. |
| 69 | Robert Harris | 6 | Son | 0 | Medford |
| 70 | Thomas Jr. Harris | 1 | Son | 0 | Medford |
| 71 | Harold Adams THIS PERSON | 47 | Head | Painter | New Hampshire |
| 72 | Rose Adams | 44 | Wife | 0 | Vermont |
| 73 | Lawrence Adams | 24 | Son | Clerk | Vermont |
| 74 | Margaret Adams | 23 | Daughter | Clerk | Roxbury |
| 75 | Frank B. Hyson | 46 | Head | Carrier | Cambridge |
| 76 | Florence Hyson | 42 | Wife | 0 | England |
| 77 | Dorothy Hyson | 14 | Daughter | 0 | Medford |
| 78 | Ronald Ryan | 30 | Head | Sheet Metal | Nova Scotia |
| 79 | Hazel Ryan | 20 | Wife | 0 | New Brunswick |
| 80 | Ronald Jr. Ryan | 3 | Son | 0 | Medford |
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)