JH
John Hendrickson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this John Hendrickson across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 5-person household.
Age 66
b. ~1874
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Hendrickson |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | MALDEN CITY |
| 1935 Residence (County) | MIDDLESEX |
| Additional Details | |
| Occupation | general clerk |
| Industry | steamship transportation |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 2665 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | General Clerk |
| Township / Ward | Malden City |
| Est. Birth Year | ~1874 |
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 |
|---|---|---|---|---|
| John Hendrickson | Head | — | 66 | ~1874 |
| Mabel Hendrickson | Spouse | — | 65 | ~1875 |
| Raymond Hendrickson | Son | — | 22 | ~1918 |
| Athena Hendrickson | Other | — | 27 | ~1913 |
| Victoria Hendrickson | Daughter | — | 29 | ~1911 |
Census Appearances
1920
Middlesex, Massachusetts
Head, age 45
Middlesex, Massachusetts · implied b. ~1875 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hendrickson |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Cutter |
| Industry | Marine Equipment |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Middlesex, Massachusetts
Head, age 56
Middlesex, Massachusetts · implied b. ~1874 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hendrickson |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 29 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | clerk |
| Industry | Transportation Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 7000 |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Middlesex-County, Massachusetts
Head, age 66
Middlesex-County, Massachusetts · implied b. ~1874 — 5 household members
| Surname | Hendrickson |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | MALDEN CITY |
| 1935 Residence (County) | MIDDLESEX |
| Occupation | general clerk |
| Industry | steamship transportation |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 2665 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Hendrickson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Hendrickson
Head · 1940 · age 66 · b. ~1874 · 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-t0627-01609-00098)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bertha Berthel | 44 | Wife | — | Canada |
| 42 | Frederic Jr. Berthel | 21 | Son | Assembler | Massachusetts |
| 43 | Sidney S. Berthel | 19 | Son | Cook | Massachusetts |
| 44 | Phyllis F. Berthel | 16 | Daughter | — | Massachusetts |
| 45 | Frieda Atkinson | 30 | Niece | Wrapper | England |
| 46 | John J. Osterman | 66 | Head | Feeder | Sweden |
| 47 | Tekla M. Osterman | 58 | Wife | — | Sweden |
| 48 | Freda S. Larson | 49 | Sister-in-law | Stitcher | Sweden |
| 49 | Bernard Hart | 64 | Head | Ship Model Maker | Sweden |
| 50 | Olga J. Hart | 55 | Wife | — | Sweden |
| 51 | Norman G. Williamson | 52 | Head | Electrician | Georgia |
| 52 | Urena Williamson | 45 | Wife | — | Georgia |
| 53 | Oliver Briggs | 76 | Father-in-law | — | Georgia |
| 54 | Lula Briggs | 67 | Mother-in-law | — | Georgia |
| 55 | William Briggs | 39 | Son-in-law | Dishwasher | Georgia |
| 56 | Edna Briggs | 28 | Daughter | — | Massachusetts |
| 57 | Juanita Briggs | 5 | Niece | — | Massachusetts |
| 58 | Adam Youngblood | 79 | Lodger | — | Georgia |
| 59 | George H. Washington | 70 | Head | Longshoreman | New Hampshire |
| 60 | Johanna A. Washington | 71 | Wife | — | England |
| 61 | Ralph Emerson | 39 | Son | Longshoreman | Massachusetts |
| 62 | Allen Bagger | 11 | Grandson | — | Massachusetts |
| 63 | John E. Hendrickson THIS PERSON | 66 | Head | General Clerk | Illinois |
| 64 | Mabel F. Hendrickson | 65 | Wife | — | Massachusetts |
| 65 | Raymond L. Hendrickson | 22 | Son | Sales Clerk | Massachusetts |
| 66 | Victoria A. Hendrickson | 29 | Daughter | Cabinet Maker | Massachusetts |
| 67 | Athena Hendrickson | 27 | Daughter-in-law | — | Massachusetts |
| 68 | Anthony Zibiboni | 65 | Head | Barber | Italy |
| 69 | Santa Zibiboni | 54 | Wife | — | Italy |
| 70 | Natale Catabro | 25 | Son-in-law | Broker | Massachusetts |
| 71 | Frances Catabro | 23 | Daughter | Finisher | Massachusetts |
| 72 | Mary Murphy | 50 | Head | — | Canada |
| 73 | James Murphy | 27 | Son | Truck Driver | Massachusetts |
| 74 | Gladys Murphy | 24 | Daughter | Buckle Maker | Massachusetts |
| 75 | Peter Murphy | 22 | Son | Furniture Mover | Massachusetts |
| 76 | John Murphy | 20 | Son | Heeler | Massachusetts |
| 77 | Roger Murphy | 18 | Son | Sprayer | Massachusetts |
| 78 | Lawrence Bruce | 34 | Son-in-law | Fireman | England |
| 79 | Agnes Bruce | 30 | Daughter | — | Massachusetts |
| 80 | Lawrence H. Bruce | 3 | Grandson | — | Massachusetts |
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)