JC
John Copeland — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hennepin-County, Minnesota
Our Model Tree links this John Copeland across the 1930 and 1940 US Censuses in Hennepin-County, Minnesota (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 8-person household.
Age 16
b. ~1924
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hennepin-County, Minnesota |
| Surname | Copeland |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis |
| 1935 Residence (County) | Hennepin |
| Additional Details | |
| Occupation | New Worker |
| Hours Worked | 12 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | New Worker |
| Township / Ward | Minneapolis |
| Est. Birth Year | ~1924 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Theodore Copeland | Son | — | 6 | ~1934 |
| Dorothy Copeland | Daughter | — | 19 | ~1921 |
| Margaret Copeland | Daughter | — | 9 | ~1931 |
| Hazel Copeland | Daughter | — | 11 | ~1929 |
| John Copeland | Son | — | 16 | ~1924 |
| Lorraine Copeland | Daughter | — | 15 | ~1925 |
| Mae Copeland | Spouse | — | 45 | ~1895 |
| Lewis Copeland | Head | — | 56 | ~1884 |
Census Appearances
1930
Hennepin, Minnesota
Son, age 6
Hennepin, Minnesota · implied b. ~1924 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Copeland |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | South Dakota |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Hennepin-County, Minnesota
Son, age 16
Hennepin-County, Minnesota · implied b. ~1924 — 8 household members
| Surname | Copeland |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis |
| 1935 Residence (County) | Hennepin |
| Occupation | New Worker |
| Hours Worked | 12 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| 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 Copeland across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Copeland
Son · 1940 · age 16 · b. ~1924 · Minnesota
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Sibling
Dorothy Copeland
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Copeland
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lorraine Copeland
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Copeland
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Copeland
Sibling · 1940 · age 11
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 — Hennepin-County, Minnesota
Open full size
1940 US Federal Census — Hennepin-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01991-00706)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Calvin A. De Long | 61 | Head | Switchman | Iowa |
| 42 | Mary De Long | 51 | Wife | — | Iowa |
| 43 | Montie P. White | 42 | Head | Salesman | Wisconsin |
| 44 | Ethel White | 44 | Sister | Operator Power Machine | Wisconsin |
| 45 | Halter Jacobson | 34 | Head | Clerk | Iowa |
| 46 | Grace Jacobson | 44 | Wife | — | Minnesota |
| 47 | Leslie Jacobson | 8 | Son | — | Minnesota |
| 48 | Nellie Walker | 65 | Mother-in-law | — | Maine |
| 49 | Gilbert Wolfe | 32 | Head | Sheet Metal | Iowa |
| 50 | Lorraine Wolfe | 28 | Wife | — | Minnesota |
| 51 | Dennis Wolfe | 8 | Son | — | Minnesota |
| 52 | Gary Wolfe | 5 | Son | — | Minnesota |
| 53 | Eric G. Runnman | 69 | Head | — | Sweden |
| 54 | Mary Runnman | 70 | Wife | — | Sweden |
| 55 | Gust Runnman | 32 | Son | Librarian | Minnesota |
| 56 | Leonard Runnman | 27 | Son | Laborer | Minnesota |
| 57 | Axel Johnson | 50 | Head | Custodian | Minnesota |
| 58 | Clifford Johnson | 20 | Son | Laborer | Minnesota |
| 59 | Marjorie Johnson | 16 | Daughter | — | Minnesota |
| 60 | George Ashwood | 41 | Head | Telegraph Op | Iowa |
| 61 | Alberta Ashwood | 39 | Wife | — | Minnesota |
| 62 | George Ashwood | 15 | Son | — | Minnesota |
| 63 | William Ashwood | 10 | Son | — | Minnesota |
| 64 | Robert Ashwood | 5 | Son | — | Minnesota |
| 65 | Joe Cecil | 36 | Head | Policeman | Indiana |
| 66 | Vivian Cecil | 36 | Wife | — | Minnesota |
| 67 | Donald Cecil | 14 | Son | — | Minnesota |
| 68 | Gene Cecil | 12 | Son | — | Minnesota |
| 69 | Lewis Copeland | 56 | Head | Labor | Wisconsin |
| 70 | Mae Copeland | 45 | Wife | — | S Dakota |
| 71 | Dorothy Copeland | 19 | Daughter | Maid | Minnesota |
| 72 | John Copeland THIS PERSON | 16 | Son | New Worker | Minnesota |
| 73 | Lorraine Copeland | 15 | Daughter | — | Minnesota |
| 74 | Hazel Copeland | 11 | Daughter | — | Minnesota |
| 75 | Margaret Copeland | 9 | Daughter | — | Minnesota |
| 76 | Theodore Copeland | 6 | Son | — | Minnesota |
| 77 | Frank John | 33 | Head | Service Manager | Minnesota |
| 78 | Nona John | 26 | Wife | — | Minnesota |
| 79 | Frances John | 5 | Daughter | — | Minnesota |
| 80 | David John | 3 | Son | — | 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)