MS
Margaret Sweeney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Margaret Sweeney across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Sweeney |
| Given Name | Margaret S |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1924 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Elsa Sweeney | Spouse | — | 41 | ~1899 |
| Bettie Sweeney | Daughter | — | 17 | ~1923 |
| John Sweeney | Head | — | 42 | ~1898 |
| Patricia Sweeney | Daughter | — | 11 | ~1929 |
| Robert Sweeney | Son | — | 13 | ~1927 |
| William Sweeney | Son | — | 6 | ~1934 |
| Margaret Sweeney | Daughter | — | 16 | ~1924 |
| James Sweeney | Son | — | 9 | ~1931 |
| John Sweeney | Son | — | 15 | ~1925 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 6
Baltimore, Maryland · implied b. ~1924 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | Mary P. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Daughter, age 16
Baltimore-City-County, Maryland · implied b. ~1924 — 9 household members
| Surname | Sweeney |
| Given Name | Margaret S |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Class of Worker | 0 |
| Highest Grade | H 2 |
| 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 Sweeney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Sweeney
Daughter · 1940 · age 16 · b. ~1924 · Maryland
★ You are viewing this record
Sibling
Patricia Sweeney
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Sweeney
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bettie Sweeney
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Sweeney
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Sweeney
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Sweeney
Sibling · 1940 · age 9
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
39 people indexed on this census page (nara:1940:m-t0627-01515-00135)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John J Sweeney | 42 | Head | Sales Supervisor | Maryland |
| 2 | Elsa A Sweeney | 41 | Wife | — | Maryland |
| 3 | Bettie M Sweeney | 17 | Daughter | — | Maryland |
| 4 | Margaret S Sweeney THIS PERSON | 16 | Daughter | — | Maryland |
| 5 | John J Jr Sweeney | 15 | Son | — | Maryland |
| 6 | Robert F Sweeney | 13 | Son | — | Maryland |
| 7 | Patricia A Sweeney | 11 | Daughter | — | Maryland |
| 8 | James A Sweeney | 9 | Son | — | Maryland |
| 9 | William B Sweeney | 6 | Son | — | Maryland |
| 10 | John H Guyton | 70 | Head | — | Maryland |
| 11 | Harry H Heim | 25 | Son in law | Laborer | California |
| 12 | Janet J Heim | 21 | Daughter | — | Maryland |
| 13 | Ruth K Phelps | 39 | Daughter | Secretary | Maryland |
| 14 | John A Towne | 44 | Head | Bottler | Ireland |
| 15 | Annie Towne | 40 | Wife | — | Ireland |
| 16 | Peggy T Towne | 5 | Daughter | — | Maryland |
| 17 | Mary A Towne | 3 | Daughter | — | Maryland |
| 18 | Nellie Chester | 59 | Lodger | — | Maryland |
| 19 | Joseph S Chester | 55 | Lodger | — | Maryland |
| 20 | Mary M Lanz | 50 | Head | Store Keeper | Maryland |
| 21 | Ellen Eglee | 75 | Aunt | — | Maryland |
| 22 | Milton H Mcarter | 60 | Lodger | Book Keeper | Maryland |
| 23 | Elizabeth E Mcarter | 57 | Lodger | — | Maryland |
| 25 | George H Gheesley | 72 | Head | — | Maryland |
| 26 | Catherine A Gheesley | 70 | Sister | — | Maryland |
| 27 | Anita M Gheesley | 71 | Sister | — | Maryland |
| 28 | Sarah E Gheesley | 55 | Sister | — | Maryland |
| 29 | Virginia M Brooks | 27 | Niece | Secretary | Maryland |
| 30 | Robert C Brown | 45 | Head | Superintendent | Maryland |
| 31 | Agnes A Brown | 45 | Wife | — | Maryland |
| 32 | Bettie E Brown | 18 | Daughter | Office Work | Maryland |
| 33 | Anita A Brown | 16 | Daughter | — | Maryland |
| 34 | Robert J Brown | 15 | Son | — | Maryland |
| 35 | Joseph T Brown | 11 | Son | — | Maryland |
| 36 | John T Brown | 9 | Son | — | Maryland |
| 37 | Eugene G Brown | 6 | Son | — | Maryland |
| 38 | Mary P Brown | 3 | Daughter | — | Maryland |
| 39 | John C Kruegel | 62 | Head | — | Germany |
| 40 | Mable T Kruegel | 55 | Wife | — | 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)