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Charles Gilbert — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Clair-County, Michigan
Our Model Tree links this Charles Gilbert across the 1920, 1930 and 1940 US Censuses in St.-Clair-County, Michigan (XGBoost, ~Confirmed), with identified parents Clayton & Clayton — first a son (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Michigan |
| Surname | Gilbert |
| Given Name | Charles L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | R |
| 1935 Residence (County) | St. Clair |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Algonac |
| Est. Birth Year | ~1909 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Gilbert | Daughter | — | 29 | ~1911 |
| Charles Gilbert | Son | — | 31 | ~1909 |
| Gertrude Gilbert | Spouse | — | 54 | ~1886 |
| Clayton Gilbert | Head | — | 60 | ~1880 |
Census Appearances
1920
St Clair, …
Son, age 10
St Clair, Michigan · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gilbert |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
St Clair, …
Son, age 21
St Clair, Michigan · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gilbert |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | Deck Hand |
| Industry | Steamship |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
St.-Clair-County, Michigan
Son, age 31
St.-Clair-County, Michigan · implied b. ~1909 — 4 household members
| Surname | Gilbert |
| Given Name | Charles L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | R |
| 1935 Residence (County) | St. Clair |
| Highest Grade | H 4 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Charles Gilbert across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Clayton Gilbert (~0.92 confidence) and father Clayton Gilbert (~0.92 confidence) and mother Gertrude Gilbert (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Clayton Gilbert
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Clayton Gilbert
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Gertrude Gilbert
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Gilbert
Son · 1940 · age 31 · b. ~1909 · Michigan
★ You are viewing this record
Sibling
Gertrude Gilbert
Sibling · 1940 · age 29
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 — St.-Clair-County, Michigan
Open full size
1940 US Federal Census — St.-Clair-County, Michigan
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01815-00181)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Muldough Shannon | 38 | Head | Machinist | Michigan |
| 42 | Ronald Shannon | 13 | Son | — | Michigan |
| 43 | Mrs. Nat Mcpherson | 77 | Head | — | Michigan |
| 44 | Mrs. Mary Messenger | 57 | Daughter | — | Ohio |
| 45 | Edward Lyons | 19 | Grandson | Packer | Michigan |
| 46 | Roy Loranger | 55 | Head | Decorator | Michigan |
| 47 | Florence Loranger | 47 | Wife | — | Michigan |
| 48 | Donald Mccurdy | 22 | Head | Carpenter | Ohio |
| 49 | Grace Mccurdy | 19 | Wife | — | Michigan |
| 50 | Judith M. Mccurdy | 0 | Daughter | — | Michigan |
| 51 | William Whittaker | 64 | Head | — | Germany |
| 52 | Elsa Whittaker | 62 | Wife | — | Germany |
| 54 | Philip Smith | 55 | Head | Machinist | Canada |
| 55 | Sophia Smith | 53 | Wife | — | Michigan |
| 56 | Leslie S. Smith | 30 | Son | Sand Blaster | Michigan |
| 57 | Leonard Smith | 21 | Son | Watchman | Michigan |
| 58 | Alvera Petit | 41 | Head | Saleslady | Michigan |
| 59 | John Petit | 14 | Son | — | Michigan |
| 60 | Clayton S. Gilbert | 60 | Head | Mate | Michigan |
| 61 | Gertrude Gilbert | 54 | Wife | — | Michigan |
| 62 | Charles L. Gilbert THIS PERSON | 31 | Son | — | Michigan |
| 63 | Gertrude Gilbert | 29 | Daughter | — | Michigan |
| 64 | Joseph Buckley | 39 | Head | Crane Operator | Michigan |
| 65 | Ida Buckley | 42 | Wife | — | Michigan |
| 66 | Jo Ann Buckley | 8 | Daughter | — | Michigan |
| 67 | Patricia Buckley | 7 | Daughter | — | Michigan |
| 68 | Ida Buckley | 10 | Daughter | — | Michigan |
| 69 | Joyce Buckley | 3 | Daughter | — | Michigan |
| 70 | Charles Bell | 25 | Head | Clerk | Michigan |
| 71 | Elizabeth Bell | 25 | Wife | Bookkeeper | Michigan |
| 72 | Lester Rogers | 25 | Head | Core Maker | Illinois |
| 73 | Dorothy G. Rogers | 25 | Wife | — | Michigan |
| 74 | Gail Ann Rogers | 0 | Daughter | — | Michigan |
| 75 | Stuart Mckenzie | 5 | Grandson | — | Michigan |
| 76 | Harold Genaw | 30 | Head | Polisher | Michigan |
| 77 | Gladys Genaw | 22 | Wife | — | Ohio |
| 78 | Walter W. Pontius | 35 | Head | Electrician | Michigan |
| 79 | Nancy Pontius | 25 | Wife | — | Scotland |
| 80 | Andrew Cuthbertson | 67 | Head | Foreman Maintenance | Michigan |
Pedigree Summary
Charles + 1 sibling
Gen 1 · 3 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)