JG
John Geary — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this John Geary across the 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed) — first a head (b.~1907), then head of a 8-person household.
Age 33
b. ~1907
Male
Head
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Geary |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Loco. Engr. |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2202 |
| Highest Grade | H 4 |
| 1935 Residence | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Loco. Engr. |
| Township / Ward | Huffman Village |
| Est. Birth Year | ~1907 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Darlene Geary | Son | — | 13 | ~1927 |
| John Geary | Head | — | 33 | ~1907 |
| Melton Geary | Son | — | 9 | ~1931 |
| Dorothy Geary | Daughter | — | 16 | ~1924 |
| Annie Geary | Daughter | — | 18 | ~1922 |
| Lillian Geary | Spouse | — | 30 | ~1910 |
| Frank Geary | Son | — | 20 | ~1920 |
| Margaret Geary | Daughter | — | 16 | ~1924 |
Census Appearances
1930
Jefferson, Alabama
Other, age 22
Jefferson, Alabama · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gerry |
| Given Name | John N. |
| Relationship to Head | Roomer |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 20 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Jefferson-County, Alabama
Head, age 33
Jefferson-County, Alabama · implied b. ~1907 — 8 household members
| Surname | Geary |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham |
| 1935 Residence (County) | Jefferson |
| Occupation | Loco. Engr. |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2202 |
| Highest Grade | H 4 |
| 1935 Residence | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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
Head · 1940 · age 33 · b. ~1907 · Alabama
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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 — Jefferson-County, Alabama
Open full size
1940 US Federal Census — Jefferson-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00046-00509)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mollie Huntington | 51 | Head | Housekeeper | Alabama |
| 2 | John Geary THIS PERSON | 33 | Head | Loco. Engr. | Alabama |
| 3 | Lillian Geary | 30 | Wife | — | Tennessee |
| 4 | Annie Geary | 18 | Daughter | — | Alabama |
| 5 | Margaret Geary | 16 | Daughter | — | Alabama |
| 6 | Darlene Geary | 13 | Son | — | Alabama |
| 7 | Melton Geary | 9 | Son | — | Alabama |
| 8 | Frank Geary | 20 | Son | — | Alabama |
| 9 | Dorothy Geary | 16 | Daughter | — | Alabama |
| 10 | Brat Hopper | 44 | Head | Layout Man | Alabama |
| 11 | Rowena Hopper | 40 | Wife | — | Alabama |
| 12 | Herman Hopper | 17 | Son | — | Alabama |
| 13 | Lorraine Hopper | 15 | Daughter | — | Alabama |
| 14 | Lorene Hopper | 15 | Daughter | — | Alabama |
| 15 | Hudson Hopper | 13 | Son | — | Alabama |
| 16 | Harry W. Sheridan | 57 | Head | Butcher | Iowa |
| 17 | Theresa Sheridan | 47 | Wife | — | Florida |
| 18 | Leon L. Sheridan | 27 | Head | Installing Engr. | Alabama |
| 19 | Katherine Sheridan | 27 | Wife | Saleslady | Alabama |
| 20 | William R. Sheridan | 7 | Son | — | Alabama |
| 21 | Theresa Sue Sheridan | 5 | Daughter | — | Alabama |
| 22 | Edward J. Nichols | 40 | Head | Head Miner | Alabama |
| 23 | Ida F. Nichols | 33 | Wife | — | Alabama |
| 24 | James E. Nichols | 16 | Son | — | Alabama |
| 25 | Edna L. Nichols | 14 | Daughter | — | Alabama |
| 26 | William C. Nichols | 12 | Son | — | Alabama |
| 27 | Eula M. Nichols | 10 | Daughter | — | Alabama |
| 28 | David H. Nichols | 8 | Son | — | Alabama |
| 29 | Alma N. Nichols | 6 | Daughter | — | Alabama |
| 30 | Shirley F. Nichols | 3 | Daughter | — | Alabama |
| 31 | Gurgin Harper | 47 | Head | — | Alabama |
| 32 | Arthur Harper | 21 | Son | Finisher | Alabama |
| 33 | Kencheloe Harper | 17 | Daughter | — | Alabama |
| 34 | Erskine Harper | 14 | Son | — | Alabama |
| 35 | Marylyn Harper | 10 | Daughter | — | Alabama |
| 36 | Oscar S. Bagley | 54 | Head | Steel Contractor | Alabama |
| 37 | Euly Bagley | 39 | Wife | — | Alabama |
| 38 | Ruby Bagley | 17 | Daughter | — | Alabama |
| 39 | Billy Bagley | 15 | Son | — | Alabama |
| 40 | Noveline Bagley | 8 | Daughter | — | Alabama |
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)