FN
Florence Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cass-County, North Dakota
Our Model Tree links this Florence Nelson across the 1920, 1930 and 1940 US Censuses in Cass-County, North Dakota (XGBoost, ~Confirmed), with identified parents Nels & Nels — first a daughter (b.~1907), then head of a 4-person household.
Age 33
b. ~1907
Female
Daughter
Born: North Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cass-County, North Dakota |
| Surname | Nelson |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Fargo city |
| 1935 Residence (County) | Cass |
| Additional Details | |
| Occupation | Music Teacher |
| Industry | Music |
| Class of Worker | OA |
| Hours Worked | 24 |
| Income (1939) | 560 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | Teacher |
| Township / Ward | Fargo City |
| Est. Birth Year | ~1907 |
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 Florence | Age | Birth yr |
|---|---|---|---|---|
| Florence Nelson | Daughter | — | 33 | ~1907 |
| Nels Nelson | Head | — | 72 | ~1868 |
| John Nelson | Son | — | 20 | ~1920 |
| Hannah Nelson | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Cass, North …
Daughter, age 14
Cass, North Dakota · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Norway |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Cass, North …
Daughter, age 23
Cass, North Dakota · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Norway |
| Occupation | Housework |
| Industry | Private family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Cass-County, North …
Daughter, age 33
Cass-County, North Dakota · implied b. ~1907 — 4 household members
| Surname | Nelson |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Fargo city |
| 1935 Residence (County) | Cass |
| Occupation | Music Teacher |
| Industry | Music |
| Class of Worker | OA |
| Hours Worked | 24 |
| Income (1939) | 560 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
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 Florence Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Nels Nelson (~0.92 confidence) and father Nels Nelson (~0.92 confidence) and mother Hannah Nelson (~0.92 confidence) and mother Hannah Nelson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nels Nelson
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Nels Nelson
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Hannah Nelson
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Hannah Nelson
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Florence Nelson
Daughter · 1940 · age 33 · b. ~1907 · North Dakota
★ You are viewing this record
Sibling
John Nelson
Sibling · 1940 · age 20
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 — Cass-County, North Dakota
Open full size
1940 US Federal Census — Cass-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02996-00686)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Stone, Jack E. Stoney | 4 | Son | — | North Dakota |
| 42 | C. Claude Luck | 31 | Head | Clerk | North Dakota |
| 43 | Doris Luck | 36 | Wife | — | Minnesota |
| 44 | Barbara Luck | 12 | Daughter | — | North Dakota |
| 45 | Gladys Luck | 10 | Daughter | — | North Dakota |
| 46 | Donna Luck | 8 | Daughter | — | North Dakota |
| 47 | Mary Bliss Luck | 3 | Daughter | — | North Dakota |
| 48 | Alma Luck | 75 | Mother | — | Maine |
| 49 | Nels C. Nelson | 72 | Head | Carpenter | Denmark |
| 50 | Hannah Nelson | 57 | Wife | — | Norway |
| 51 | Florence Nelson THIS PERSON | 33 | Daughter | Music Teacher | North Dakota |
| 52 | John C. Nelson | 20 | Son | Bell Boy | North Dakota |
| 53 | Fred C. Lange | 60 | Head | Section Foreman | Germany |
| 54 | Margaret Lange | 30 | Daughter | Secretary | North Dakota |
| 55 | Gertrude Lange | 23 | Daughter | Stenographer | North Dakota |
| 56 | Katherine Martian | 19 | Maid | Maid | North Dakota |
| 57 | Wm. M. Hahn | 54 | Head | Press Room | Wisconsin |
| 58 | Maude Hahn | 52 | Wife | — | Minnesota |
| 59 | Margaret Hahn | 23 | Daughter | Clerk | North Dakota |
| 60 | Edward Hahn | 21 | Son | Press Room | North Dakota |
| 61 | Gladys Hahn | 20 | Daughter | Clerk | North Dakota |
| 62 | Walter Hahn | 12 | Son | — | North Dakota |
| 63 | J. R. Wallen | 44 | Head | Alley Man | Minnesota |
| 64 | Esther Wallen | 41 | Wife | — | Wisconsin |
| 65 | Ronald Wallen | 12 | Son | — | North Dakota |
| 66 | Glen Wallen | 10 | Son | — | North Dakota |
| 67 | Charles Wallen | 8 | Son | — | North Dakota |
| 68 | Jerry Wallen | 6 | Son | — | North Dakota |
| 69 | Kenneth Wallen | 3 | Son | — | North Dakota |
| 70 | Joan Wallen | 0 | Daughter | — | North Dakota |
| 71 | Thomas Thorson | 72 | Head | Janitor | Norway |
| 72 | Eunice Thorson | 44 | Daughter | — | North Dakota |
| 73 | Rollo Lewis | 30 | Head | Truck Driver | Illinois |
| 74 | Cora Lewis | 27 | Wife | — | Minnesota |
| 75 | Wayne Lewis | 6 | Son | — | North Dakota |
| 76 | George Lewis | 4 | Son | — | North Dakota |
| 77 | Lois M. Lewis | 2 | Daughter | — | North Dakota |
| 78 | John O. Johnson | 31 | Head | Meat Cleaning | North Dakota |
| 79 | Catherine Johnson | 26 | Wife | — | North Dakota |
| 80 | Richard Johnson | 7 | Son | — | North Dakota |
Pedigree Summary
Florence + 1 sibling
Gen 1 · 4 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)