JG
John Geary — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this John Geary across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1894), then head of a 6-person household.
Age 46
b. ~1894
Male
Head
Born: Maine
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Geary |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Shipper |
| Industry | Laundry |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1450 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Shipper |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1894 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Robert Geary | Son | — | 15 | ~1925 |
| Myrtle Geary | Spouse | — | 39 | ~1901 |
| Alton Geary | Son | — | 13 | ~1927 |
| John Geary | Head | — | 46 | ~1894 |
| Hollis Geary | Son | — | 18 | ~1922 |
| Francis Geary | Son | — | 8 | ~1932 |
Census Appearances
1920
Middlesex, Massachusetts
Head, age 24
Middlesex, Massachusetts · implied b. ~1896 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Geary |
| Given Name | John J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Maine |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Maine |
| Occupation | Laborer |
| Industry | Govt Arsenal |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Middlesex, Massachusetts
Head, age 34
Middlesex, Massachusetts · implied b. ~1896 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Geary |
| Given Name | John T. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 21 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | Truck Driver |
| Industry | Laundry Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30 |
| Radio Set | R |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Middlesex-County, Massachusetts
Head, age 46
Middlesex-County, Massachusetts · implied b. ~1894 — 6 household members
| Surname | Geary |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Occupation | Shipper |
| Industry | Laundry |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1450 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 Geary 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 Geary
Head · 1940 · age 46 · b. ~1894 · 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-t0627-01705-00206)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Samuel Guerro | 70 | Head | Orthopedic | England |
| 2 | Annie Guerro | 69 | Wife | — | England |
| 3 | John Geary THIS PERSON | 46 | Head | Shipper | Maine |
| 4 | Myrtle Geary | 39 | Wife | — | Maine |
| 5 | Hollis Geary | 18 | Son | — | Massachusetts |
| 6 | Robert Geary | 15 | Son | — | Massachusetts |
| 7 | Alton Geary | 13 | Son | — | Massachusetts |
| 8 | Francis Geary | 8 | Son | — | Massachusetts |
| 9 | Walter W Bennett | 33 | Head | Stenographer | Massachusetts |
| 10 | Gertrude H Bennett | 32 | Wife | — | Massachusetts |
| 11 | David W Bennett | 12 | Son | — | Massachusetts |
| 12 | Richard E Bennett | 7 | Son | — | Massachusetts |
| 13 | Ann Louise Bennett | 4 | Daughter | — | Massachusetts |
| 14 | Gertrude H Bennett | 3 | Daughter | — | Massachusetts |
| 15 | Patricia M Bennett | 3 | Daughter | — | Massachusetts |
| 16 | Alfred Chute | 47 | Head | Pharmacist | Massachusetts |
| 17 | Alena Chute | 37 | Wife | — | Massachusetts |
| 18 | Russell Chute | 18 | Son | Errand Boy | Massachusetts |
| 19 | Lois Chute | 16 | Daughter | — | Massachusetts |
| 20 | Alfred Chute | 15 | Son | — | Massachusetts |
| 21 | Marjorie Chute | 13 | Daughter | — | Massachusetts |
| 22 | Esther C.P. Bailey | 76 | Head | — | England |
| 23 | Mary May | 40 | Head | — | Honolulu |
| 24 | Robert R May | 22 | Son | — | Hawaii |
| 25 | Arnold Nason | 28 | Head | Proprietor | Massachusetts |
| 26 | Dorothy Nason | 28 | Wife | Secretary | Massachusetts |
| 27 | John A Daniels | 77 | Head | — | Massachusetts |
| 28 | Helen F Daniels | 67 | Wife | — | Massachusetts |
| 29 | Milley Fraser | 78 | Head | Sexton | Canada English |
| 30 | Bessie Fraser | 56 | Wife | — | Canada English |
| 31 | Richard E Cronan | 46 | Head | Repair Man | Massachusetts |
| 32 | Margaret Cronan | 36 | Wife | — | Massachusetts |
| 33 | Joseph Kirkland | 34 | Head | Maintenance | Massachusetts |
| 34 | Jean Kirkland | 23 | Wife | Folder | Canada English |
| 35 | John Igo | 47 | Head | Compositor | Massachusetts |
| 36 | Charlotte Igo | 48 | Wife | — | Massachusetts |
| 37 | Bernard Igo | 17 | Son | — | Massachusetts |
| 38 | John Igo | 13 | Son | — | Massachusetts |
| 39 | Joseph Marino | 42 | Head | Shoe Maker | Italy |
| 40 | Carmella Marino | 40 | Wife | — | Italy |
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)