JG
John Gilbert — 1940 US Census Record
Model Tree available1940 United States Federal Census · Columbia-County, Wisconsin
Our Model Tree links this John Gilbert across the 1920, 1930 and 1940 US Censuses in Columbia-County, Wisconsin (XGBoost, ~Confirmed), with identified parents Alford & Alfred — first a son (b.~1918), then head of a 2-person household.
Age 22
b. ~1918
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Columbia-County, Wisconsin |
| Surname | Gilbert |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Rio Village |
| 1935 Residence (County) | Columbia |
| Additional Details | |
| Occupation | Dealer in Horses |
| Industry | Horse Trader |
| Class of Worker | OA |
| Income (1939) | 500 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Dealer In Horses |
| Township / Ward | Rio Village |
| Est. Birth Year | ~1918 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Peter Gilbert | Head | — | 49 | ~1891 |
| John Gilbert | Son | — | 22 | ~1918 |
Census Appearances
1920
Columbia, Wisconsin
Son, age 2
Columbia, Wisconsin · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gilbert |
| Given Name | John A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Columbia, Wisconsin
Son, age 12
Columbia, Wisconsin · implied b. ~1918 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gilbert |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Columbia-County, Wisconsin
Son, age 22
Columbia-County, Wisconsin · implied b. ~1918 — 2 household members
| Surname | Gilbert |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Rio Village |
| 1935 Residence (County) | Columbia |
| Occupation | Dealer in Horses |
| Industry | Horse Trader |
| Class of Worker | OA |
| Income (1939) | 500 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Gilbert across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alford Gilbert (~0.92 confidence) and father Alfred Gilbert (~0.92 confidence) and father Peter Gilbert (~0.92 confidence) and mother Helen Gilbert (~0.92 confidence) and mother Helen Gilbert (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alford Gilbert
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Alfred Gilbert
b. ~1891
Source father
● Household
· direct · ~0.92
Father
Peter Gilbert
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Helen Gilbert
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Helen Gilbert
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Gilbert
Son · 1940 · age 22 · b. ~1918 · Wisconsin
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Columbia-County, Wisconsin
Open full size
1940 US Federal Census — Columbia-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04466-00791)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Purtell | 60 | Wife | — | Wisconsin |
| 2 | Scott Miller | 47 | Head | Foreman | Wisconsin |
| 3 | Leona O. Miller | 50 | Wife | — | Wisconsin |
| 4 | Earl Miller | 18 | Son | — | Wisconsin |
| 5 | Betty Miller | 16 | Dau | — | Wisconsin |
| 6 | Clarence O. Johnson | 63 | Head | Mail Carrier | Wisconsin |
| 7 | Julia Johnson | 63 | Wife | — | Norway |
| 8 | Willard Johnson | 38 | Son | Salesman | Wisconsin |
| 9 | Lillian Johnson | 31 | Dau-in-law | Telephone Operator | Wisconsin |
| 10 | Dolores Johnson | 9 | Grand Dau | — | Wisconsin |
| 11 | Karen Johnson | 5 | Grand Dau | — | Wisconsin |
| 12 | Donna Johnson | 1 | Grand Dau | — | Wisconsin |
| 13 | Cora Johnson | 62 | Sister | Telephone Operator | Wisconsin |
| 14 | Erwin Johnson | 51 | Head | Mechanic | Wisconsin |
| 15 | Cora O. Johnson | 59 | Wife | — | Wisconsin |
| 16 | Anun Justin | 86 | Father-in-law | — | Norway |
| 17 | Mary X. Dowdell | 79 | Head | — | Wisconsin |
| 18 | Patrick Miles | 81 | Brother | — | Wisconsin |
| 19 | Barbara O. Budd | 84 | Sister | — | Wisconsin |
| 20 | Carrie O. Caldwell | 75 | Head | — | Wisconsin |
| 21 | Fred Yonkee | 58 | Head | General Labor | Wisconsin |
| 22 | Margaret O. Yonkee | 50 | Wife | — | Wisconsin |
| 23 | Myrna Yonkee | 30 | Dau | Maid | Wisconsin |
| 24 | Peter O. Gilbert | 49 | Head | — | Wisconsin |
| 25 | John Gilbert THIS PERSON | 22 | Son | Dealer In Horses | Wisconsin |
| 26 | Vinnie O. Fradenburg | 68 | Head | Maid | Wisconsin |
| 27 | Ole O. Evenson | 79 | Head | — | Wisconsin |
| 28 | Emma Evenson | 80 | Wife | — | Wisconsin |
| 29 | Eva Olsen | 37 | Dau | — | Wisconsin |
| 30 | Russell Olsen | 15 | Grand Son | — | Wisconsin |
| 31 | Virginia Olsen | 13 | Grand Dau | — | Wisconsin |
| 32 | Christian Olsen | 11 | Grand Son | — | Wisconsin |
| 33 | Mae O. Waite | 48 | Head | — | Michigan |
| 34 | Harold Waite | 15 | Son | — | Wisconsin |
| 35 | Margery Waite | 12 | Dau | — | Wisconsin |
| 36 | Charles O. Merwin | 25 | Head | — | Wisconsin |
| 37 | Ernest Nisgaard | 20 | Head | Proprietor | Wisconsin |
| 38 | Florence O. Nisgaard | 21 | Wife | Saleswoman | Wisconsin |
| 39 | Melton Nisgaard | 3 | Son | — | Wisconsin |
| 40 | Alva Jacobson | 21 | Maid | Maid | Wisconsin |
Pedigree Summary
John
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)