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Margaret Armstrong — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Oklahoma-County, Oklahoma
Our Model Tree links this Margaret Armstrong across the 1910, 1920, 1930 and 1940 US Censuses in Oklahoma-County, Oklahoma (XGBoost, ~Confirmed) — first a spouse (b.~1886), then head of a 3-person household.
Age 54
b. ~1886
Female
Spouse
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Oklahoma-County, Oklahoma |
| Surname | Armstrong |
| Given Name | Margaret E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Oklahoma City |
| 1935 Residence (County) | Oklahoma |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Oklahoma City |
| Est. Birth Year | ~1886 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Maxine Armstrong | Daughter | — | 23 | ~1917 |
| Margaret Armstrong | Spouse | — | 54 | ~1886 |
| Thad Armstrong | Head | — | 52 | ~1888 |
Census Appearances
1910
Oklahoma, Oklahoma
Spouse, age 21
Oklahoma, Oklahoma · implied b. ~1889 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Missouri |
| Years Married | 2 |
| Children Born | 1 |
| Children Living | 1 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Iowa |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1920
Oklahoma, Oklahoma
Spouse, age 33
Oklahoma, Oklahoma · implied b. ~1887 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Oklahoma, Oklahoma
Spouse, age 44
Oklahoma, Oklahoma · implied b. ~1886 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 23 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Oklahoma-County, Oklahoma
Spouse, age 54
Oklahoma-County, Oklahoma · implied b. ~1886 — 3 household members
| Surname | Armstrong |
| Given Name | Margaret E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Oklahoma City |
| 1935 Residence (County) | Oklahoma |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Armstrong across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Armstrong
Spouse · 1940 · age 54 · b. ~1886 · Oklahoma
★ 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 — Oklahoma-County, Oklahoma
Open full size
1940 US Federal Census — Oklahoma-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03342-00614)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Luther Langston | 64 | Head | — | Tennessee |
| 42 | Effie D Langston | 63 | Wife | — | Virginia |
| 43 | Harry L Stone | 50 | Head | Fireman | Oklahoma |
| 44 | Marguerite S Stone | 24 | Wife | — | Texas |
| 45 | Harry L Jr Stone | 2 | Son | — | Oklahoma |
| 46 | Brent Purser | 27 | Head | Engraver | Arkansas |
| 47 | Betty Lou Purser | 21 | Wife | — | Oklahoma |
| 48 | John F Purser | 1 | Son | — | Oklahoma |
| 49 | Robert C Nowlin | 31 | Head | Lawyer | Oklahoma |
| 50 | Vinita L Nowlin | 29 | Wife | Saleslady | Oklahoma |
| 51 | Nolen Tomason | 23 | Head | Clerk | Oklahoma |
| 52 | Wacel Tomason | 22 | Wife | — | Oklahoma |
| 53 | Jerry Neil Tomason | 0 | Son | — | Oklahoma |
| 54 | Callie S Smick | 69 | Head | — | Illinois |
| 55 | R L Eagan | 67 | Head | Salesman | Illinois |
| 56 | David Eagan | 29 | Son | Shipping Clerk | Idaho |
| 57 | Jerome Eagan | 26 | Son | Upholstering | Oklahoma |
| 58 | Jack Wall | 50 | Head | Salesman | Illinois |
| 59 | Ina O Wall | 45 | Wife | Manager | Illinois |
| 60 | Fred Same | 51 | Head | Pattern Maker | Kansas |
| 61 | Emma Same | 46 | Wife | — | Kansas |
| 62 | Ruth Claire Same | 10 | Daughter | — | Oklahoma |
| 63 | William A Sturtz | 55 | Head | Manager | Missouri |
| 64 | Marguerite A Sturtz | 47 | Wife | — | Kansas |
| 65 | Mary Ruth Sturtz | 21 | Daughter | — | Oklahoma |
| 66 | Thad D Armstrong | 52 | Head | Bookkeeper | Missouri |
| 67 | Margaret E Armstrong THIS PERSON | 54 | Wife | — | Missouri |
| 68 | Maxine E Armstrong | 23 | Daughter | Typist | Oklahoma |
| 69 | Robert Lee Howard | 55 | Head | Florist | Oklahoma |
| 70 | Lela Mae Howard | 45 | Wife | Partner | Oklahoma |
| 71 | Cecil Dale Howard | 26 | Son | Florist | Oklahoma |
| 72 | Robert H Sherman | 73 | Head | — | New Jersey |
| 73 | Margie E Sherman | 66 | Wife | — | New Jersey |
| 74 | Thas E B Grady | 60 | Head | Teaching | Kentucky |
| 75 | Winnie Grady | 51 | Wife | — | Mississippi |
| 76 | James E Grady | 17 | Son | — | Oklahoma |
| 77 | Lena Glover | 78 | Head | — | Kentucky |
| 78 | Ida Glover | 71 | Sister | — | Kentucky |
| 79 | W D Glover | 60 | Brother | Oil Leasing | Kentucky |
| 80 | Edward Glover | 75 | Brother | — | Kentucky |
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)