GN
Grace Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Armstrong-County, Pennsylvania
Our Model Tree links this Grace Nelson across the 1920, 1930 and 1940 US Censuses in Armstrong-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents J & Julius — first a daughter (b.~1908), then head of a 5-person household.
Age 32
b. ~1908
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Armstrong-County, Pennsylvania |
| Surname | Nelson |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Mahoning Twp |
| 1935 Residence (County) | Armstrong |
| Additional Details | |
| Occupation | Teacher (Rural) |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 30 |
| Income (1939) | 800 |
| Highest Grade | C 3 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Teacher |
| Township / Ward | Mahoning Twp |
| Est. Birth Year | ~1908 |
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 Grace | Age | Birth yr |
|---|---|---|---|---|
| Ruth Nelson | Daughter | — | 34 | ~1906 |
| Florence Nelson | Daughter | — | 26 | ~1914 |
| Mary Nelson | Head | — | 45 | ~1895 |
| Grace Nelson | Daughter | — | 32 | ~1908 |
| Paul Nelson | Son | — | 28 | ~1912 |
Census Appearances
1920
Armstrong, Pennsylvania
Daughter, age 11
Armstrong, Pennsylvania · implied b. ~1909 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Grace B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Armstrong, Pennsylvania
Daughter, age 21
Armstrong, Pennsylvania · implied b. ~1909 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Grace B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Pennsylvania |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | 9494 |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Armstrong-County, Pennsylvania
Daughter, age 32
Armstrong-County, Pennsylvania · implied b. ~1908 — 5 household members
| Surname | Nelson |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Mahoning Twp |
| 1935 Residence (County) | Armstrong |
| Occupation | Teacher (Rural) |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 30 |
| Income (1939) | 800 |
| Highest Grade | C 3 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Grace Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father J Nelson (~0.92 confidence) and father Julius Nelson (~0.92 confidence) and mother Mary Nelson (~0.92 confidence) and mother Mary Nelson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
J Nelson
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Julius Nelson
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Mary Nelson
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Mary Nelson
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Grace Nelson
Daughter · 1940 · age 32 · b. ~1908 · Pennsylvania
★ You are viewing this record
Sibling
Florence Nelson
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Nelson
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Nelson
Sibling · 1940 · age 28
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 — Armstrong-County, Pennsylvania
Open full size
1940 US Federal Census — Armstrong-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03423-00701)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ralph A. Alcorn | 20 | Grandson | Laborer | Pennsylvania |
| 2 | Mary E. Alcorn | 14 | Granddaughter | — | Pennsylvania |
| 3 | Vanie J. Orr | 63 | Head | — | Pennsylvania |
| 4 | Leonard D. Orr | 36 | Son | — | Pennsylvania |
| 5 | Robert G. Orr | 21 | Son | Time Keeper | Pennsylvania |
| 6 | Mary E. Nelson | 45 | Head | — | Pennsylvania |
| 7 | Ruth L. Nelson | 34 | Daughter | Teacher (Rural) | Pennsylvania |
| 8 | Grace Nelson THIS PERSON | 32 | Daughter | Teacher (Rural) | Pennsylvania |
| 9 | Paul J. Nelson | 28 | Son | Laborer | Pennsylvania |
| 10 | Florence L. Nelson | 26 | Daughter | Teacher (Rural) | Pennsylvania |
| 11 | Thomas M. Snyder | 66 | Head | Farmer | Pennsylvania |
| 12 | Bertha L. Snyder | 57 | Wife | — | Pennsylvania |
| 13 | Helen J. Snyder | 30 | Daughter | Teacher Rural | Pennsylvania |
| 14 | Matilda Smith | 71 | Head | — | Pennsylvania |
| 15 | Smith B. Shumaker | 30 | Head | Electrician | Pennsylvania |
| 16 | Martha D. Shumaker | 29 | Wife | — | Pennsylvania |
| 17 | Robert C. Shumaker | 1 | Son | — | Pennsylvania |
| 18 | Adam C. Shumaker | 77 | Head | Farmer | Pennsylvania |
| 19 | Elizabeth Shumaker | 77 | Wife | — | Pennsylvania |
| 20 | Frank G. Servey | 51 | Head | Farmer | Pennsylvania |
| 21 | Goldie Servey | 41 | Wife | — | Pennsylvania |
| 22 | Mildred Servey | 17 | Daughter | — | Pennsylvania |
| 23 | James E. Servey | 13 | Daughter | — | Pennsylvania |
| 24 | Jessie V. Servey | 12 | Daughter | — | Pennsylvania |
| 25 | Edward B. Servey | 11 | Son | — | Pennsylvania |
| 26 | George F. Servey | 7 | Son | — | Pennsylvania |
| 27 | Harry F. Servey | 5 | Son | — | Pennsylvania |
| 28 | Lois B. Servey | 4 | Daughter | — | Pennsylvania |
| 29 | Edna M. Servey | 3 | Daughter | — | Pennsylvania |
| 30 | Leona Butler | 72 | Head | — | Pennsylvania |
| 31 | Laura G. Butler | 55 | Sister | — | Pennsylvania |
| 32 | Ralph H. Shaffer | 56 | Head | Laborer | Pennsylvania |
| 33 | Kathryn S. Shaffer | 60 | Wife | — | Pennsylvania |
| 34 | Murray A. Shaffer | 24 | Son | Laborer | Pennsylvania |
| 35 | Eugene Shaffer | 16 | Son | Laborer | Pennsylvania |
| 36 | Edgar Allen | 37 | Head | Attendant | Pennsylvania |
| 37 | Ruby P. Reddinger | 27 | Housekeeper | Housework | Pennsylvania |
| 38 | George H. Shilling | 39 | Head | Farmer | Pennsylvania |
| 39 | Grace L. Shilling | 35 | Wife | — | Pennsylvania |
| 40 | Benjamin D. Shilling | 69 | Head | Farmer | Pennsylvania |
Related Census Records
Pedigree Summary
Grace + 3 siblings
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)