JL
John Lamb — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wabasha-County, Minnesota
Our Model Tree links this John Lamb across the 1930 and 1940 US Censuses in Wabasha-County, Minnesota (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 10-person household.
Age 10
b. ~1930
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wabasha-County, Minnesota |
| Surname | Lamb |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Guilford Twp |
| 1935 Residence (County) | Wabasha |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Guilford Twp |
| Est. Birth Year | ~1930 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ira Lamb | Head | — | 49 | ~1891 |
| Jasper Lamb | Daughter | — | 17 | ~1923 |
| Catherine Lamb | Daughter | — | 18 | ~1922 |
| Donald Lamb | Son | — | 2 | ~1938 |
| Elsie Lamb | Spouse | — | 37 | ~1903 |
| Beverly Lamb | Daughter | — | 8 | ~1932 |
| Robert Lamb | Son | — | 13 | ~1927 |
| Beatrice Lamb | Daughter | — | 20 | ~1920 |
| Thomas Lamb | Son | — | 15 | ~1925 |
| John Lamb | Son | — | 10 | ~1930 |
Census Appearances
1930
Wabasha, Minnesota
Son, age 2
Wabasha, Minnesota · implied b. ~1928 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lamb |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Wabasha-County, Minnesota
Son, age 10
Wabasha-County, Minnesota · implied b. ~1930 — 10 household members
| Surname | Lamb |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Guilford Twp |
| 1935 Residence (County) | Wabasha |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| 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 Lamb across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Lamb
Son · 1940 · age 10 · b. ~1930 · Minnesota
★ You are viewing this record
Sibling
Robert Lamb
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Lamb
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Lamb
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jasper Lamb
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Lamb
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Lamb
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beverly Lamb
Sibling · 1940 · age 8
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 — Wabasha-County, Minnesota
Open full size
1940 US Federal Census — Wabasha-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01965-00337)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ira Lamb | 49 | Head | Farmer | Minnesota |
| 2 | Elsie Lamb | 37 | Wife | Housekeeper | Minnesota |
| 3 | Beatrice Lamb | 20 | Daughter | Housekeeper | Minnesota |
| 4 | Catherine Lamb | 18 | Daughter | — | Minnesota |
| 5 | Jasper Lamb | 17 | Daughter | — | Minnesota |
| 6 | Thomas Lamb | 15 | Son | — | Minnesota |
| 7 | Robert Lamb | 13 | Son | Laborer | Minnesota |
| 8 | John Lamb THIS PERSON | 10 | Son | — | Minnesota |
| 9 | Beverly Lamb | 8 | Daughter | — | Minnesota |
| 10 | Donald Lamb | 2 | Son | — | Minnesota |
| 11 | Elfred H Klindworth | 37 | Head | Farmer | Minnesota |
| 12 | Edna Klindworth | 35 | Wife | Housekeeper | Minnesota |
| 13 | Alvin Reinke | 34 | Head | Farmer | Minnesota |
| 14 | Annamae Reinke | 30 | Wife | Housekeeper | Minnesota |
| 15 | Barbara Reinke | 10 | Daughter | — | Minnesota |
| 16 | Gerald Reinke | 7 | Son | — | Minnesota |
| 17 | Mary Reinke | 5 | Daughter | — | Minnesota |
| 18 | Judy Reinke | 2 | Daughter | — | Minnesota |
| 19 | Mabel Dickinson | 40 | Lodger | Teacher | Minnesota |
| 20 | Fredrick Klindworth | 29 | Head | Farmer | Minnesota |
| 21 | Milburn Klindworth | 23 | Brother | Farmer | Minnesota |
| 22 | Kathrine Klindworth | 65 | Mother | Housekeeper | Germany |
| 23 | Edward Erick | 57 | Head | Farmer | Minnesota |
| 24 | Lillian Erick | 47 | Wife | Housekeeper | Minnesota |
| 25 | Harold Erick | 18 | Son | Laborer | Minnesota |
| 26 | Dorothy Erick | 15 | Daughter | Housekeeper | Minnesota |
| 27 | George Platte | 49 | Head | Farmer | Minnesota |
| 28 | Mable Platte | 39 | Wife | Housekeeper | Minnesota |
| 29 | Dorothy Platte | 17 | Daughter | Housekeeper | Minnesota |
| 30 | Ernest Platte | 39 | Brother | Farmer | Minnesota |
| 31 | Fritz Hoops | 40 | Head | House Farmer | Minnesota |
| 32 | Emma Hoops | 32 | Wife | Housekeeper | Minnesota |
| 33 | Fay Hoops | 10 | Daughter | — | Minnesota |
| 34 | Iola Hoops | 9 | Daughter | — | Minnesota |
| 35 | Ida Hoops | 7 | Daughter | — | Minnesota |
| 36 | Verna Hoops | 3 | Daughter | — | Minnesota |
| 37 | Ronald Hoops | 0 | Son | — | Minnesota |
| 38 | Otto Millers | 49 | Head | Farmer | Germany |
| 39 | Alma Millers | 48 | Wife | Housekeeper | Minnesota |
| 40 | Bernice Millers | 21 | Daughter | Housekeeper | Minnesota |
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)