JK
James Kirby — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this James Kirby across the 1920, 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 3-person household.
Age 55
b. ~1885
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Kirby |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | St Paul |
| 1935 Residence (County) | Ramsey |
| Additional Details | |
| Occupation | Steward |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 3247 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Steward |
| Township / Ward | St Paul |
| Est. Birth Year | ~1885 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Kirby | Spouse | — | 53 | ~1887 |
| Jean Kirby | Daughter | — | 25 | ~1915 |
| James Kirby | Head | — | 55 | ~1885 |
Census Appearances
1920
Ramsey, Minnesota
Head, age 36
Ramsey, Minnesota · implied b. ~1884 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirby |
| Given Name | James A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Occupation | Conductor |
| Industry | Dining Car |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Ramsey, Minnesota
Head, age 47
Ramsey, Minnesota · implied b. ~1883 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirby |
| Given Name | James A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 24 |
| Father's Birthplace | Canada Eng |
| Mother's Birthplace | Canada Eng |
| Occupation | Conductor |
| Industry | Railroad Steam |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 10,000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Ramsey-County, Minnesota
Head, age 55
Ramsey-County, Minnesota · implied b. ~1885 — 3 household members
| Surname | Kirby |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | St Paul |
| 1935 Residence (County) | Ramsey |
| Occupation | Steward |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 3247 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 James Kirby across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Kirby
Head · 1940 · age 55 · b. ~1885 · 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-t0627-02003-00187)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph Byrnes | 55 | Head | Attorney | Minnesota |
| 42 | Grace Byrnes | 52 | Wife | — | Minnesota |
| 43 | Richard Laska | 30 | Head | Pharmacist | Minnesota |
| 44 | Agnes Laska | 30 | Wife | — | Minnesota |
| 45 | Richard Laska | 3 | Son | — | Minnesota |
| 46 | Leslie Anderson | 35 | Head | Assistant Manager | South Dakota |
| 47 | Edna Anderson | 33 | Wife | — | Minnesota |
| 48 | Barbara Anderson | 5 | Daughter | — | Minnesota |
| 49 | Douglas Anderson | 3 | Son | — | Minnesota |
| 50 | Carter Chinn | 42 | Head | Salesman | Texas |
| 51 | Sophie Chinn | 41 | Wife | — | Wisconsin |
| 52 | Eddie Jales Chinn | 6 | Son | — | Wisconsin |
| 53 | Katherine Ann Chinn | 4 | Daughter | — | Wisconsin |
| 54 | Loraine Arndt | 24 | Maid | House Maid | Wisconsin |
| 55 | Patrick Partel | 55 | Head | Club Carman | Iowa |
| 56 | Loretta Partel | 51 | Wife | — | Iowa |
| 57 | Marguerite Partel | 22 | Daughter | Saleslady | Minnesota |
| 58 | Kathleen Kribs | 24 | Daughter | — | Minnesota |
| 59 | John Kribs | 28 | Son-in-law | Office Clerk | Minnesota |
| 60 | Karalee Kribs | 0 | Granddaughter | — | Minnesota |
| 61 | George F. Riddell | 65 | Head | Manager | Canada French |
| 62 | Selma Riddell | 55 | Wife | Nurse | Minnesota |
| 63 | Marion Ringdahl | 16 | Daughter | — | Minnesota |
| 64 | Joe Heumann | 37 | Head | Manufacturing Representative | Missouri |
| 65 | Irma Heumann | 32 | Wife | — | Missouri |
| 66 | Elizabeth Heumann | 11 | Daughter | — | Minnesota |
| 67 | John Heumann | 8 | Son | — | Minnesota |
| 68 | Marianne Heumann | 5 | Daughter | — | Minnesota |
| 69 | Joseph W. Hill | 65 | Head | President | Wisconsin |
| 70 | Mable Hill | 62 | Wife | — | Wisconsin |
| 71 | Barbara Rising | 25 | Daughter | — | Minnesota |
| 72 | Arnold Rising | 31 | Son-in-law | Electrical Engineer | Minnesota |
| 73 | Arnold Joseph Rising | 3 | Grandson | — | Minnesota |
| 74 | Ronald Rising | 0 | Grandson | — | Minnesota |
| 75 | James Kirby THIS PERSON | 55 | Head | Steward | Iowa |
| 76 | Gertrude Kirby | 53 | Wife | — | Minnesota |
| 77 | Jean Kirby | 25 | Daughter | Clerk | Minnesota |
| 78 | William H. Thomas | 44 | Head | Mechanical Engineer | Wisconsin |
| 79 | Alice Thomas | 44 | Wife | — | Minnesota |
| 80 | Lynn Thomas | 20 | Son | — | Ohio |
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)