MS
Margaret Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Androscoggin-County, Maine
Our Model Tree links this Margaret Sullivan across the 1920, 1930 and 1940 US Censuses in Androscoggin-County, Maine (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1920), then head of a 5-person household.
Age 20
b. ~1920
Female
Daughter
Born: Maine
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Androscoggin-County, Maine |
| Surname | Sullivan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Lewiston City |
| 1935 Residence (County) | Androscoggin |
| Additional Details | |
| Occupation | Maid |
| Industry | Hospital |
| Class of Worker | PW |
| Hours Worked | 6 |
| Income (1939) | 10 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Maid |
| Township / Ward | Lewiston City |
| Est. Birth Year | ~1920 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Sullivan | Daughter | — | 20 | ~1920 |
| Mary Sullivan | Daughter | — | 13 | ~1927 |
| John Sullivan | Head | — | 49 | ~1891 |
| John Sullivan | Son | — | 18 | ~1922 |
| Mary Sullivan | Spouse | — | 38 | ~1902 |
Census Appearances
1920
Androscoggin, Maine
Daughter, age
Androscoggin, Maine · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Androscoggin, Maine
Daughter, age 10
Androscoggin, Maine · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Androscoggin-County, Maine
Daughter, age 20
Androscoggin-County, Maine · implied b. ~1920 — 5 household members
| Surname | Sullivan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Lewiston City |
| 1935 Residence (County) | Androscoggin |
| Occupation | Maid |
| Industry | Hospital |
| Class of Worker | PW |
| Hours Worked | 6 |
| Income (1939) | 10 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 John Sullivan (~0.92 confidence) and father John Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Sullivan
b. ~1895
Source father
● Household
· direct · ~0.92
Father
John Sullivan
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1902
Source mother
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1902
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Sullivan
Daughter · 1940 · age 20 · b. ~1920 · Maine
★ You are viewing this record
Sibling
Mary Sullivan
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Sullivan
Sibling · 1940 · age 18
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 — Androscoggin-County, Maine
Open full size
1940 US Federal Census — Androscoggin-County, Maine
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01469-00666)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen S. O'Brien | 31 | Wife | Bench Work | Maine |
| 2 | John W. O'Brien | 11 | Son | — | Maine |
| 3 | Daniel J. O'Brien | 10 | Son | — | Maine |
| 4 | Marjorie J. O'Brien | 6 | Daughter | — | Maine |
| 5 | Raymond A. Parsons | 34 | Head | Printer | Maine |
| 6 | Margaret Parsons | 33 | Wife | Bookkeeper | Scotland |
| 7 | Ernest Latham | 54 | Head | Painter | England |
| 8 | George E. Flaherty | 23 | Head | Shoe Cutter | Maine |
| 9 | Mignonette Flaherty | 21 | Wife | Inspector | Maine |
| 10 | Alfred Maillett | 49 | Head | Truck Driver | Maine |
| 11 | Victoria Maillett | 46 | Wife | Housekeeper | Maine |
| 12 | Roland W. Libbey | 49 | Head | Manager | Massachusetts |
| 13 | Leona J. Libbey | 47 | Wife | Housekeeper | Massachusetts |
| 14 | John Sullivan | 49 | Head | Motorman | Maine |
| 15 | Mary E. Sullivan | 38 | Wife | Counter Girl | Maine |
| 16 | Margaret Sullivan THIS PERSON | 20 | Daughter | Maid | Maine |
| 17 | John Sullivan | 18 | Son | — | Maine |
| 18 | Mary Sullivan | 13 | Daughter | — | Maine |
| 19 | Charles C. Iraton | 30 | Head | Agent | Maine |
| 20 | Maxine S. Iraton | 26 | Wife | Housekeeper | Maine |
| 21 | Gregory Iraton | 2 | Son | — | Maine |
| 22 | Anis S. Lichtenberg | 21 | Head | Salesgirl | Maine |
| 23 | Fredrick Lichtenberg | 23 | Brother | Laborer | Maine |
| 24 | Winfield S. Hildreth | 35 | Head | Dye Mixer | Maine |
| 25 | Marie Hildreth | 32 | Wife | Housekeeper | Maine |
| 26 | Durwood Hildreth | 13 | Son | — | Maine |
| 27 | Mildred Hildreth | 12 | Daughter | — | Maine |
| 28 | Gloria Hildreth | 10 | Daughter | — | Maine |
| 29 | Nathiley Hildreth | 10 | Daughter | — | Maine |
| 30 | Winfield Jr. Hildreth | 8 | Son | — | Maine |
| 31 | Charles Hildreth | 1 | Son | — | Maine |
| 32 | Leslie C. Bradbury | 57 | Father-in-law | Box Maker | Maine |
| 33 | Maud C. Bradbury | 56 | Mother-in-law | — | Maine |
| 34 | Fred Lachapelle | 60 | Head | Shoe Cutter | Maine |
| 35 | Bertha S. Lachapelle | 47 | Wife | Housekeeper | New Hampshire |
| 36 | Arlene Shufeldt | 23 | Daughter | Bench Work | Maine |
| 37 | Charlotte Soule | 22 | Daughter | Bench Work | Maine |
| 38 | Elmer J. Soule | 25 | Son-in-law | Dresser | Maine |
| 39 | Alfred R. Lachapelle | 19 | Son | Filling Boy | Maine |
| 40 | Edmund L. Soule | 0 | Grandson | — | Maine |
Pedigree Summary
Margaret + 2 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)