MS
Margaret Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this Margaret Sullivan across the 1920, 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed), with identified parents Patrick & Dennis — first a spouse (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Female
Spouse
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | Sullivan |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis |
| 1935 Residence (County) | St. Louis |
| Additional Details | |
| Occupation | Housekeeper |
| Industry | Rooming House |
| Class of Worker | PW |
| Income (1939) | 150 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Housekeeper |
| Township / Ward | St Louis |
| Est. Birth Year | ~1918 |
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 |
|---|---|---|---|---|
| Joan Sullivan | Daughter | — | ~1940 | |
| Allen Sullivan | Head | — | 22 | ~1918 |
| Margaret Sullivan | Spouse | — | 22 | ~1918 |
Census Appearances
1920
St Louis, …
Daughter, age 1
St Louis, Missouri · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Margaret M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Louis, …
Daughter, age 11
St Louis, Missouri · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Spouse, age 22
St.-Louis-City-County, Missouri · implied b. ~1918 — 3 household members
| Surname | Sullivan |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis |
| 1935 Residence (County) | St. Louis |
| Occupation | Housekeeper |
| Industry | Rooming House |
| Class of Worker | PW |
| Income (1939) | 150 |
| 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 Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Patrick Sullivan (~0.92 confidence) and father Dennis Sullivan (~0.92 confidence) and mother Bridget Sullivan (~0.92 confidence) and mother Helen Sullivan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Patrick Sullivan
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Dennis Sullivan
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Bridget Sullivan
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Helen Sullivan
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Sullivan
Spouse · 1940 · age 22 · b. ~1918 · Missouri
★ 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 — St.-Louis-City-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-City-County, Missouri
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02188-00159)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 42 | John Cooper | 32 | Head | Maintenance | Missouri |
| 43 | Mary Cooper | 30 | Wife | Mangle Worker | Missouri |
| 44 | David Price | 30 | Head | Loc. Engine | Illinois |
| 45 | Nina Price | 27 | Wife | Housekeeper | Kentucky |
| 46 | Howard Wildman | 25 | Head | Groover | Missouri |
| 47 | Josephine Wildman | 19 | Wife | Heel Cover | Missouri |
| 48 | Ida Marie Everden | 73 | Head | — | Germany |
| 49 | Eda Rung | 20 | Grand-daughter | — | Missouri |
| 50 | William Hook | 51 | Head | Distiller | Illinois |
| 51 | Pearl Hook | 31 | Wife | Housekeeper | Missouri |
| 52 | Arthur Carter | 38 | Head | Pipe Fitter | Arkansas |
| 53 | Edith Carter | 25 | Wife | — | Arkansas |
| 54 | Tom Donley | 51 | Head | City Detective | Missouri |
| 55 | Alfred Johnson | 64 | Head | Baker | Sweden |
| 56 | George Gerontkas | 30 | Head | Truck Driver | Missouri |
| 57 | Irene Gerontkas | 27 | Wife | Weaver | Missouri |
| 58 | Doris Gerontkas | 8 | Daughter | — | Missouri |
| 59 | Archie Bellew | 24 | Head | Ice Cream Maker | Missouri |
| 60 | Marie Bellew | 20 | Wife | Saleswoman | Missouri |
| 61 | Peggy R. Bellew | 0 | Daughter | — | Missouri |
| 62 | Homer Masters | 32 | Head | Box Maker | Missouri |
| 63 | Carrie Masters | 30 | Wife | Housekeeper | Missouri |
| 64 | Wm. F. Poinsett | 37 | Head | Cook | Missouri |
| 65 | Ellamae Poinsett | 32 | Wife | — | Missouri |
| 66 | Delores Smith | 18 | Sister-in-law | New Worker | Missouri |
| 67 | Waldo Crewe | 23 | Head | Shipping Clerk | Missouri |
| 68 | Agnes Crewe | 25 | Wife | Basting Puller | Illinois |
| 69 | Ben Baker | 28 | Head | Truck Driver | Missouri |
| 70 | Helen Baker | 26 | Wife | Seamstress | Missouri |
| 71 | Luther Goodson | 25 | Head | Laborer | Missouri |
| 72 | Bernice Goodson | 24 | Wife | Housekeeper | Missouri |
| 73 | Ray E. Goodson | 4 | Son | — | Missouri |
| 74 | Mary N. Goodson | 2 | Daughter | — | Missouri |
| 75 | Willahard Goodson | 0 | Daughter | — | Missouri |
| 76 | Joe Boldinovich | 46 | Head | Butcher | Yugoslavia |
| 77 | Allen Sullivan | 22 | Head | Grader | Missouri |
| 78 | Margaret Sullivan THIS PERSON | 22 | Wife | Housekeeper | Missouri |
| 79 | Joan Sullivan | 0 | Daughter | — | Missouri |
| 80 | Henry Staut | 18 | Head | Upholsterer | Missouri |
Pedigree Summary
Margaret
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)