JC
John Carroll — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this John Carroll across the 1920, 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed), with identified parents John & Samuel — first a head (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Carroll |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| 1935 Residence (County) | Ramsey |
| Additional Details | |
| Occupation | deliveryman |
| Industry | retail grocery |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 432 |
| Highest Grade | H 3 |
| 1935 Residence | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Deliveryman |
| Township / Ward | St Paul City |
| Est. Birth Year | ~1916 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Carroll | Daughter | — | 2 | ~1938 |
| John Carroll | Head | — | 24 | ~1916 |
| Mary Carroll | Spouse | — | 19 | ~1921 |
Census Appearances
1920
Ramsey, Minnesota
Son, age 3
Ramsey, Minnesota · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Ramsey, Minnesota
Son, age 14
Ramsey, Minnesota · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Head, age 24
Ramsey-County, Minnesota · implied b. ~1916 — 3 household members
| Surname | Carroll |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| 1935 Residence (County) | Ramsey |
| Occupation | deliveryman |
| Industry | retail grocery |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 432 |
| Highest Grade | H 3 |
| 1935 Residence | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Carroll across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Carroll (~0.92 confidence) and father Samuel Carroll (~0.92 confidence) and mother Verna Carroll (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Carroll
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Samuel Carroll
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Verna Carroll
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Carroll
Head · 1940 · age 24 · b. ~1916 · Minnesota
★ 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 — Ramsey-County, Minnesota
Open full size
1940 US Federal Census — Ramsey-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01998-00540)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Magdalen Mulherin | 19 | daughter | Stenographer | Minnesota |
| 2 | Josephine Mulherin | 17 | daughter | Stenographer | Minnesota |
| 3 | Russell Peterson | 24 | head | Investigator | Minnesota |
| 4 | Bernadette Peterson | 22 | wife | Biller Clerk | Minnesota |
| 5 | Amanda Schaible | 51 | head | — | Minnesota |
| 6 | J. D. Boyd | 58 | head | Taxi Driver | Pennsylvania |
| 7 | Franklin Mcmillian | 63 | head | — | Minnesota |
| 8 | Lillian Mcmillian | 62 | wife | — | California |
| 9 | Washburn | 28 | head | Saleswoman | Wisconsin |
| 10 | Theodore Gugel | 39 | head | Medical Technician | Minnesota |
| 11 | Alice Gugel | 39 | wife | — | Minnesota |
| 12 | Isaac Robinson | 78 | head | — | Poland |
| 13 | Robinson | 78 | wife | — | Poland |
| 14 | Rollie O Pennington | 42 | head | Salesman | Oklahoma |
| 15 | John Carroll THIS PERSON | 24 | head | Deliveryman | Minnesota |
| 16 | Mary E Carroll | 19 | wife | — | No. Dakota |
| 17 | Mary J Carroll | 2 | daughter | — | Minnesota |
| 18 | Grace E Siesky | 50 | head | — | Minnesota |
| 19 | Bank Baw | 19 | son | 36 | Washington |
| 20 | Margaret Baw | 12 | daughter | — | Oregon |
| 21 | Palmer Peterson | 22 | head | Attendant | Minnesota |
| 22 | Connie Weber | 38 | head | Temp Clerk | Minnesota |
| 23 | Wm P Gray | 34 | head | Welder | Canada |
| 24 | Virginia E Gray | 35 | wife | — | Minnesota |
| 25 | Virginia Gray | 9 | daughter | — | Michigan |
| 26 | William Gray | 7 | son | — | Minnesota |
| 27 | Walton E Gray | 5 | son | — | Minnesota |
| 28 | Edna Stewart | 50 | wife | Housekeeper | Michigan |
| 29 | Clarence Stewart | 50 | head | Maintenance Caretaker | Indiana |
| 30 | Ray Nichols | 40 | head | Janitor | Minnesota |
| 31 | Theodore Slechta | 34 | head | Meat Packer | Minnesota |
| 32 | Agnes Slechta | 22 | wife | — | Canada |
| 33 | Lewis Hamlin | 35 | head | Repair Man | No Dakota |
| 34 | Frances Hamlin | 31 | wife | — | Michigan |
| 35 | Theresa A Hamlin | 4 | daughter | — | Michigan |
| 36 | Alice May Hamlin | 3 | daughter | — | Michigan |
| 37 | Elsie Straup | 34 | head | Book Keeper | Minnesota |
| 38 | Venie Glesky | 33 | head | Orderly | Minnesota |
| 39 | Christ George Economy | 42 | head | Laborer | Greece |
| 40 | Elma Economy | 34 | wife | — | Minnesota |
Pedigree Summary
John
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)