LN
Lillian Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bronx-County, New York
Our Model Tree links this Lillian Nelson across the 1920, 1930 and 1940 US Censuses in Bronx-County, New York (XGBoost, ~Confirmed), with identified parents Harry & Peter — first a daughter (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bronx-County, New York |
| Surname | Nelson |
| Given Name | Lillian M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Bronx |
| Additional Details | |
| Occupation | Secretary |
| Industry | Fraternal Order |
| Class of Worker | PW |
| Hours Worked | 43 |
| Income (1939) | 60 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Secretary |
| Township / Ward | New York |
| Est. Birth Year | ~1915 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lillian | Age | Birth yr |
|---|---|---|---|---|
| Ethel Nelson | Spouse | — | 46 | ~1894 |
| Lillian Nelson | Daughter | — | 25 | ~1915 |
| Barbara Mandres | Other | — | 70 | ~1870 |
| Harry Nelson | Head | — | 46 | ~1894 |
| Homer Nelson | Son | — | 17 | ~1923 |
Census Appearances
1920
Kings, New …
Daughter, age 5
Kings, New York · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Richmond, New …
Daughter, age 15
Richmond, New York · implied b. ~1915 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Lillian E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Bronx-County, New …
Daughter, age 25
Bronx-County, New York · implied b. ~1915 — 5 household members
| Surname | Nelson |
| Given Name | Lillian M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Bronx |
| Occupation | Secretary |
| Industry | Fraternal Order |
| Class of Worker | PW |
| Hours Worked | 43 |
| Income (1939) | 60 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Lillian Nelson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Harry Nelson (~0.92 confidence) and father Peter Nelson (~0.92 confidence) and father Thurdahl Nelson (~0.92 confidence) and mother Ethel Nelson (~0.92 confidence) and mother Kirsten Nelson (~0.92 confidence) and mother Margaret Nelson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Nelson
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Peter Nelson
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Thurdahl Nelson
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Ethel Nelson
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Kirsten Nelson
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Margaret Nelson
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lillian Nelson
Daughter · 1940 · age 25 · b. ~1915 · New York
★ You are viewing this record
Sibling
Homer Nelson
Sibling · 1940 · age 17
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 — Bronx-County, New York
Open full size
1940 US Federal Census — Bronx-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02482-00954)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James S. Rabbitt | 24 | Son | Personnel Clerk | New York |
| 2 | Thomas J. Kilgannon | 57 | Head | Woodworker | Ireland |
| 3 | Marie Kilgannon | 55 | Wife | — | Northern Ireland |
| 4 | Marion Kilgannon | 23 | Daughter | Secretary | New York |
| 5 | Joseph Kilgannon | 22 | Son | Laborer | New York |
| 6 | Patrick Harry | 62 | Head | Attendant | Eire |
| 7 | Winifred Harry | 55 | Wife | — | Eire |
| 8 | James Harry | 30 | Son | Printer | New York |
| 9 | Patrick Harry | 25 | Son | Attendant | New York |
| 10 | Mary Harry | 21 | Daughter | Jr. Clerical | New York |
| 11 | Ernest Mccarty | 56 | Head | Electrical Operator | England |
| 12 | Bertha Mccarty | 53 | Wife | — | France |
| 13 | Alvin E. Mccarty | 30 | Son | Inspector | New York |
| 14 | Winston Mccarty | 29 | Son | Electrical Operator | New York |
| 15 | Margery Mccarty | 24 | Daughter | Packer | New York |
| 16 | Lucille Mccarty | 20 | Daughter | Office Worker | New York |
| 17 | Harry Nelson | 46 | Head | Clerk | New York |
| 18 | Ethel Nelson | 46 | Wife | — | New York |
| 19 | Lillian M. Nelson THIS PERSON | 25 | Daughter | Secretary | New York |
| 20 | Homer E. Nelson | 17 | Son | — | New York |
| 21 | Barbara Mandres | 70 | Mother-in-law | — | New York |
| 22 | Anthony Pietrowicz | 62 | Head | Machinist | Lithuania |
| 23 | Hattie Pietrowicz | 58 | Wife | — | Lithuania |
| 24 | Walter Pietrowicz | 23 | Son | Shipping Clerk | New York |
| 25 | Joseph Popelinski | 26 | Son-in-law | Gardener | New York |
| 26 | Jean Popelinski | 27 | Daughter | — | New York |
| 27 | Stanley Peters | 29 | Son | Milk Driver | Pennsylvania |
| 28 | Martha Peters | 29 | Daughter-in-law | — | New York |
| 29 | Theresa Peters | 5 | Granddaughter | — | New York |
| 30 | Jeannine Peters | 2 | Granddaughter | — | New York |
| 31 | Rita Peters | 1 | Granddaughter | — | New York |
| 32 | George F. Ferguson | 46 | Head | Fireman | New York |
| 33 | Mary L. Ferguson | 45 | Wife | — | New York |
| 34 | Geraldine M. Ferguson | 23 | Daughter | — | New York |
| 35 | Joseph Hanrahan | 21 | Cousin | — | New York |
| 36 | Edward Altonen | 34 | Head | Driver | New York |
| 37 | Elizabeth Altonen | 39 | Wife | — | Finland |
| 38 | Dolores Altonen | 2 | Daughter | — | New York |
| 39 | Annette Jennings | 39 | Head | — | Eire |
| 40 | Mary Jennings | 15 | Daughter | — | New York |
Pedigree Summary
Lillian + 1 sibling
Gen 1 · 6 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)