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Margaret Alexander — 1940 US Census Record
Model Tree available1940 United States Federal Census · Warren-County, Pennsylvania
Our Model Tree links this Margaret Alexander across the 1920, 1930 and 1940 US Censuses in Warren-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & Margaret — first a daughter (b.~1889), then head of a 4-person household.
Age 51
b. ~1889
Female
Daughter
Born: Scotland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Warren-County, Pennsylvania |
| Surname | Alexander |
| Given Name | Margaret D. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Single |
| Birthplace | Scotland |
| 1935 Residence (City) | Warren |
| 1935 Residence (County) | Warren |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Owner |
| Industry | Retail Store |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 679 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Owner |
| Est. Birth Year | ~1889 |
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 |
|---|---|---|---|---|
| Margaret Alexander | Daughter | — | 51 | ~1889 |
| Eunice Alexander | Daughter | — | 45 | ~1895 |
| Ethel Alexander | Daughter | — | 48 | ~1892 |
| Margaret Alexander | Head | — | 72 | ~1868 |
Census Appearances
1920
Beaver, Pennsylvania
Daughter, age 30
Beaver, Pennsylvania · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Margaret E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1889 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Clerk |
| Industry | Department Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth Country | Scotland |
| Year of Naturalization | 1896 |
| Birthplace (normalized) | scotland |
1930
Warren, Pennsylvania
Daughter, age 42
Warren, Pennsylvania · implied b. ~1888 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Margaret L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Single |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1888 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Cashier |
| Industry | Dept store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Warren-County, Pennsylvania
Daughter, age 51
Warren-County, Pennsylvania · implied b. ~1889 — 4 household members
| Surname | Alexander |
| Given Name | Margaret D. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Single |
| Birthplace | Scotland |
| 1935 Residence (City) | Warren |
| 1935 Residence (County) | Warren |
| Naturalization Status | Naturalized |
| Occupation | Owner |
| Industry | Retail Store |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 679 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Alexander across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father James Alexander (~0.92 confidence) and mother Margaret Alexander (~0.92 confidence) and mother Margaret Alexander (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Alexander
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Margaret Alexander
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Margaret Alexander
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Alexander
Daughter · 1940 · age 51 · b. ~1889 · Pennsylvania
★ You are viewing this record
Sibling
Ethel Alexander
Sibling · 1940 · age 48
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eunice Alexander
Sibling · 1940 · age 45
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 — Warren-County, Pennsylvania
Open full size
1940 US Federal Census — Warren-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03619-00307)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert J. Swanson | 51 | Head | Labour | Pennsylvania |
| 42 | Anna C. Swanson | 49 | Wife | — | Pennsylvania |
| 43 | Marie Swanson | 20 | Daughter | Enclover | Pennsylvania |
| 44 | Joanne Swanson | 9 | Daughter | — | Pennsylvania |
| 45 | Margaret Alexander | 72 | Head | — | Scotland |
| 46 | Margaret D. Alexander THIS PERSON | 51 | Daughter | Owner | Scotland |
| 47 | Ethel G. Alexander | 48 | Daughter | Office | Pennsylvania |
| 48 | Eunice J. Alexander | 45 | Daughter | Office | Pennsylvania |
| 49 | Rose E. Maybank | 48 | Head | Bookkeeper | Pennsylvania |
| 50 | Melvin J. Mckellar | 44 | Head | Dept. Expediter | Pennsylvania |
| 51 | Mary F. Mckellar | 44 | Wife | — | New York |
| 52 | Merle H. Deardorff | 49 | Head | Vice President | Pennsylvania |
| 53 | Mary S. Deardorff | 45 | Wife | — | Pennsylvania |
| 54 | Julia H. Deardorff | 19 | Daughter | — | Pennsylvania |
| 55 | Mary E. Deardorff | 17 | Daughter | — | Pennsylvania |
| 56 | David S. Deardorff | 15 | Son | — | Pennsylvania |
| 57 | Justin D. Sheddy | 22 | Head | Baker | Pennsylvania |
| 58 | Doris E. Sheddy | 21 | Wife | Secretary | Pennsylvania |
| 59 | Floyd A. Wiltzie | 37 | Head | Spell Keeper | New York |
| 60 | Mildred M. Wiltzie | 32 | Wife | Stenographer | Pennsylvania |
| 61 | Raymond Peterson | 47 | Head | Inspector | Pennsylvania |
| 62 | Evelyn Peterson | 46 | Wife | — | Pennsylvania |
| 63 | Betty J. Peterson | 16 | Daughter | — | Pennsylvania |
| 64 | Fred D. Lauffenburger | 61 | Head | Shipping Clerk | Pennsylvania |
| 65 | Margaret Lauffenburger | 62 | Wife | — | Switzerland |
| 66 | Garret Hollinger | 31 | Head | General Office | Pennsylvania |
| 67 | Mary Hollinger | 51 | Mother | — | New York |
| 68 | Earnest Hollinger | 20 | Brother | — | Pennsylvania |
| 69 | Earle Hollinger | 18 | Brother | — | Pennsylvania |
| 70 | Harry C. Wagner | 52 | Head | Paperhanger | Pennsylvania |
| 71 | Viola Wagner | 52 | Wife | — | Pennsylvania |
| 72 | Betty Wagner | 14 | Daughter | — | Pennsylvania |
| 73 | Elizabeth S. Barringer | 90 | Head | — | New York |
| 74 | Graham W. Barringer | 66 | Son | Laying Out | Pennsylvania |
| 75 | Gertrude Rossman | 40 | Head | Waitress | Pennsylvania |
| 76 | Harry G. Rossman | 21 | Son | X-Ray | Pennsylvania |
| 77 | Calvin H. Rossman | 12 | Son | — | Pennsylvania |
| 78 | Intersects Conewango Ave. Rossman | None | — | — | — |
| 79 | Roscoe D. Smedley | 37 | Head | Doctor | New Jersey |
| 80 | Ethel C. Smedley | 33 | Wife | — | New York |
Pedigree Summary
Margaret + 2 siblings
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)