MS
Margaret Simmons — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Margaret Simmons across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 12-person household.
Age 14
b. ~1926
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Simmons |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1926 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Virginia Chapman | Head | — | 36 | ~1904 |
| Irene Johnson | Daughter | — | 12 | ~1928 |
| Dorothy Johnson | Daughter | — | 15 | ~1925 |
| Delma Chapman | Daughter | — | 2 | ~1938 |
| Benjamin Mills | Other | — | 75 | ~1865 |
| Anna Simmons | Daughter | — | 17 | ~1923 |
| Charles Chapman | Son | — | 3 | ~1937 |
| Virginia Chapman | Daughter | — | 8 | ~1932 |
| Margaret Simmons | Daughter | — | 14 | ~1926 |
| James Johnson | Son | — | 10 | ~1930 |
| Webster Johnson | Son | — | 9 | ~1931 |
| Mildred Johnson | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 3
Baltimore, Maryland · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simmons |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Maryland |
| Age at First Marriage | No |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Daughter, age 14
Baltimore-City-County, Maryland · implied b. ~1926 — 12 household members
| Surname | Simmons |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Hours Worked | 0 |
| Highest Grade | H 4 |
| 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 Simmons across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Simmons
Daughter · 1940 · age 14 · b. ~1926 · Maryland
★ You are viewing this record
Sibling
Delma Chapman
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Chapman
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Webster Johnson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Johnson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Johnson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Johnson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Simmons
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Chapman
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Johnson
Sibling · 1940 · age 12
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 — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
27 people indexed on this census page (nara:1940:m-t0627-01535-00394)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edna Baker | 8 | daughter | — | Maryland |
| 42 | Arlene Baker | 5 | daughter | — | Maryland |
| 43 | James Belley | 60 | Uncle | Chef | Ohio |
| 44 | Virginia Chapman | 36 | Head | — | Maryland |
| 45 | Margaret Simmons THIS PERSON | 14 | daughter | — | Maryland |
| 46 | Anna Simmons | 17 | daughter | — | Maryland |
| 47 | Dorothy Johnson | 15 | daughter | — | Maryland |
| 48 | Mildred Johnson | 13 | daughter | — | Maryland |
| 49 | Irene Johnson | 12 | daughter | — | Maryland |
| 50 | James Johnson | 10 | son | — | Maryland |
| 51 | Webster Johnson | 9 | son | — | Maryland |
| 52 | Virginia Chapman | 8 | daughter | — | Maryland |
| 53 | Charles Chapman | 3 | son | — | Maryland |
| 54 | Delma Chapman | 2 | daughter | — | Maryland |
| 55 | Benjamin Mills | 75 | Uncle | — | Maryland |
| 56 | Lawrence Butterfield | 60 | Head | Locomotive Fireman | Virginia |
| 57 | Fannie Butterfield | 31 | Wife | — | Virginia |
| 58 | Margaret Butterfield | 13 | daughter | — | Virginia |
| 59 | Leslie Butterfield | 6 | son | — | Maryland |
| 60 | Lawrence Butterfield | 6 | son | — | Maryland |
| 61 | Franklin Butterfield | 3 | son | — | Maryland |
| 62 | Thomas L. Hayes | 24 | Lodger | Helper | Maryland |
| 63 | William Hawkins | 61 | Head | Master Mechanic | Maryland |
| 64 | Catherine Hawkins | 56 | wife | Counter | Maryland |
| 65 | Loretta Hawkins | 21 | Daughter | Examiner | Maryland |
| 66 | Ruth Hawkins | 20 | Daughter | Seamstress | Maryland |
| 67 | Lester Chains | 33 | Lodger | Foreman | Maryland |
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)