MN
Margaret Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Margaret Nelson across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Charles & Elmer — first a spouse (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Nelson |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | BALTIMORE CITY |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1914 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Lucille Nelson | Daughter | — | 3 | ~1937 |
| Alvin Nelson | Head | — | 29 | ~1911 |
| Alvin Nelson | Son | — | 5 | ~1935 |
| Margaret Nelson | Spouse | — | 26 | ~1914 |
Census Appearances
1920
Baltimore, Maryland
Daughter, age 6
Baltimore, Maryland · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Daughter, age 16
Baltimore, Maryland · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Spouse, age 26
Baltimore-City-County, Maryland · implied b. ~1914 — 4 household members
| Surname | Nelson |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | BALTIMORE CITY |
| 1935 Residence (County) | Baltimore City |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Margaret Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Nelson (~0.92 confidence) and father Elmer Nelson (~0.92 confidence) and mother Elsie Nelson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Nelson
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Elmer Nelson
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Elsie Nelson
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Nelson
Spouse · 1940 · age 26 · b. ~1914 · Maryland
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01539-00215)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alvin Nelson | 29 | Head | Automobile Mechanic | Kansas |
| 2 | Margaret Nelson THIS PERSON | 26 | Wife | — | Maryland |
| 3 | Alvin J. Nelson | 5 | Son | — | Maryland |
| 4 | Lucille Nelson | 3 | Daughter | — | Maryland |
| 5 | Ellsworth B. Reigle | 28 | Head | Accountant | Maryland |
| 6 | Mary L. B. Reigle | 23 | Wife | — | North Carolina |
| 7 | John E. Kempe | 25 | Head | General Repairs | Maryland |
| 8 | Dorothy Kempe | 25 | Wife | — | Maryland |
| 9 | Delores Kempe | 7 | Daughter | — | Maryland |
| 10 | Robert Heiser | 56 | Head | Telegraph Operator | West Virginia |
| 11 | Alta Heiser | 40 | Wife | — | Spain |
| 12 | Betty Lee Heiser | 9 | Daughter | — | Maryland |
| 13 | Robert Jr. Heiser | 3 | Son | — | Maryland |
| 14 | Ann Jackson | 40 | Head | Saleswoman | Maryland |
| 15 | Lester L. Jackson | 19 | Son | Sheet Metal | Maryland |
| 16 | Shirley Jackson | 18 | Daughter | — | Maryland |
| 17 | Edward Zolauf | 26 | Head | Inside Salesman | Maryland |
| 18 | Marie Zolauf | 25 | Wife | — | Norway |
| 19 | Ruth M. Zolauf | 2 | Daughter | — | Maryland |
| 20 | Macleod Corn, A. | 26 | Head | Industrial Engineer | Michigan |
| 21 | Dorothy Corn, A. | 24 | Wife | — | Michigan |
| 22 | Roderick Corn, A. | 6 | Son | — | New York |
| 23 | Mable Corn, A. | 65 | Mother | — | Ohio |
| 24 | Vernon N. Norman | 40 | Head | Salesman | Maryland |
| 25 | Ellen H. Norman | 31 | Wife | Teacher | Maryland |
| 26 | Edgar Hill | 26 | Brother-in-law | Clerk | Maryland |
| 27 | Laurence Medlock | 29 | Head | Teacher | South Carolina |
| 28 | Marie Medlock | 28 | Wife | Book-Keeper | Maryland |
| 29 | Adelino Chiodi | 61 | Head | Tailor | Italy |
| 30 | Ida Chiodi | 59 | Wife | — | Italy |
| 31 | Emidio D'Angelo | 40 | Son-in-law | Tailor | Italy |
| 32 | Assuntina D'Angelo | 30 | Daughter | — | Maryland |
| 33 | Ida Jean D'Angelo | 10 | Granddaughter | — | Maryland |
| 34 | Rosalyn D'Angelo | 4 | Granddaughter | — | Maryland |
| 35 | Ralph S. Norris | 29 | Head | Manager | Maryland |
| 36 | Mary B. Norris | 24 | Wife | — | Maryland |
| 37 | Irene L. Norris | 12 | Daughter | — | Maryland |
| 38 | Marjorie G. Norris | 11 | Daughter | — | Maryland |
| 39 | Joan C. Norris | 6 | Daughter | — | Maryland |
| 40 | Bessie Neff | 50 | Head | Seamtress | Maryland |
Pedigree Summary
Margaret
Gen 1 · 3 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)