JG
John Geary — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this John Geary across the 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 6-person household.
Age 11
b. ~1929
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Geary |
| Given Name | John T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Rockport |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Rockport |
| Est. Birth Year | ~1929 |
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 |
|---|---|---|---|---|
| Austin Geary | Son | — | 29 | ~1911 |
| Charlotte Geary | Spouse | — | 51 | ~1889 |
| John Geary | Son | — | 11 | ~1929 |
| Beatrice Geary | Daughter | — | 21 | ~1919 |
| Earl Geary | Son | — | 15 | ~1925 |
| John Geary | Head | — | 56 | ~1884 |
Census Appearances
1930
Essex, Massachusetts
Son, age 1
Essex, Massachusetts · implied b. ~1929 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gerry |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Son, age 11
Essex-County, Massachusetts · implied b. ~1929 — 6 household members
| Surname | Geary |
| Given Name | John T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Rockport |
| 1935 Residence (County) | Essex |
| Highest Grade | No 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 Geary across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Geary
Son · 1940 · age 11 · b. ~1929 · Massachusetts
★ You are viewing this record
Sibling
Austin Geary
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Geary
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Geary
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01588-00665)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Nancy E Babcock | 2 | Daughter | — | Massachusetts |
| 42 | Edmund S. H. Orr | 71 | Head | — | Maine |
| 43 | Edith M. Orr | 67 | Wife | — | Canada Eng |
| 44 | Edith V. King | 29 | Daughter | — | Massachusetts |
| 45 | Millard E. King | 34 | Son in law | Sales Clerk | Massachusetts |
| 46 | Terrence Sheehan | 63 | Head | Trainman | Massachusetts |
| 47 | Katherine Sheehan | 56 | Wife | — | Massachusetts |
| 48 | Robert E. Sheehan | 20 | Son | — | Massachusetts |
| 49 | John S. Higgins | 55 | Brother-in-law | Letter Carrier | Massachusetts |
| 50 | Cornelius F. Higgins | 50 | Brother-in-law | Blanket Weaver | Massachusetts |
| 51 | Lottie Nelson | 54 | Head | — | New York |
| 52 | Margaret E. Nelson | 26 | Son | Laborer | Massachusetts |
| 53 | John E. Sullivan | 82 | Head | Chief | Massachusetts |
| 54 | Mary C. Sullivan | 65 | Wife | — | South Ireland |
| 55 | J. Eugene Sullivan | 27 | Son | Trooper | Massachusetts |
| 56 | John J. Geary | 56 | Head | — | Canada French |
| 57 | Charlotte D. Geary | 51 | Wife | — | Canada English |
| 58 | Austin M. Geary | 29 | Son | Laborer | Massachusetts |
| 59 | Beatrice M. Geary | 21 | Daughter | Waitress | Massachusetts |
| 60 | Earl N. Geary | 15 | Son | — | Massachusetts |
| 61 | John T. Geary THIS PERSON | 11 | Son | — | Massachusetts |
| 62 | Lawrence A. Keeling | 29 | Head | Clergyman | Massachusetts |
| 63 | Grace V. Keeling | 28 | Wife | — | Massachusetts |
| 64 | Alice U. Koffey | 69 | Head | Proprietor | New York |
| 65 | Elizabeth Koffey | 67 | Sister | Partner | New York |
| 66 | William L. Holmberg | 37 | Head | Manager | Massachusetts |
| 67 | Rachel S. D. Holmberg | 35 | Wife | — | Massachusetts |
| 68 | Judith Holmberg | 0 | Daughter | — | Massachusetts |
| 69 | Desmond N. Guinee | 33 | Head | Manager | Massachusetts |
| 70 | Helen R. Guinee | 32 | Wife | — | Massachusetts |
| 71 | John F. Guinee | 5 | Son | — | Massachusetts |
| 72 | Joan H. Guinee | 2 | Daughter | — | Massachusetts |
| 73 | Cora A. Robbins | 71 | Head | — | Massachusetts |
| 74 | Ellen M. Breen | 83 | Head | — | Massachusetts |
| 75 | Lucy M. Bailey | 64 | Daughter | — | Massachusetts |
| 76 | Loring Rich | 54 | Head | Laborer | Massachusetts |
| 77 | Annie E. Rich | 50 | Wife | — | Massachusetts |
| 78 | Loring F. Rich | 28 | Son | Packer | Massachusetts |
| 79 | Edna F. Rich | 25 | Daughter | Cashier | Massachusetts |
| 80 | Gertrude E. Rich | 23 | Daughter | Bookkeeper | 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)