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James Sweeney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Frederick-County, Maryland
Our Model Tree links this James Sweeney across the 1930 and 1940 US Censuses in Frederick-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 8-person household.
Age 17
b. ~1923
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Frederick-County, Maryland |
| Surname | Sweeney |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Thurmont |
| 1935 Residence (County) | Frederick |
| Additional Details | |
| Occupation | Butcher |
| Industry | general store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 152 |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Butcher |
| Township / Ward | Thurmont |
| Est. Birth Year | ~1923 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Emma Sweeney | Daughter | — | 20 | ~1920 |
| Shirley Sweeney | Daughter | — | 8 | ~1932 |
| Betty Sweeney | Daughter | — | 15 | ~1925 |
| Gladys Sweeney | Daughter | — | 13 | ~1927 |
| Robert Sweeney | Head | — | 44 | ~1896 |
| James Sweeney | Son | — | 17 | ~1923 |
| Kenneth Sweeney | Son | — | 2 | ~1938 |
| Anna Sweeney | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Frederick, Maryland
Son, age 7
Frederick, Maryland · implied b. ~1923 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | James T |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Frederick-County, Maryland
Son, age 17
Frederick-County, Maryland · implied b. ~1923 — 8 household members
| Surname | Sweeney |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Thurmont |
| 1935 Residence (County) | Frederick |
| Occupation | Butcher |
| Industry | general store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 152 |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| 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 James Sweeney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Sweeney
Son · 1940 · age 17 · b. ~1923 · Maryland
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Sibling
Gladys Sweeney
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Sweeney
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Sweeney
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Sweeney
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Sweeney
Sibling · 1940 · age 2
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 — Frederick-County, Maryland
Open full size
1940 US Federal Census — Frederick-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01549-00355)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gladys Martin | 9 | Daughter | — | Maryland |
| 42 | Mary Ellen Martin | 5 | Daughter | — | Maryland |
| 43 | Charles Martin | 49 | Brother | Laborer | Maryland |
| 44 | George Martin | 42 | Brother | Foreman | Maryland |
| 45 | Robert Sweeney | 44 | Head | Laborer | Maryland |
| 46 | Anna Sweeney | 40 | Wife | — | Maryland |
| 47 | Emma Sweeney | 20 | Daughter | — | Maryland |
| 48 | James Sweeney THIS PERSON | 17 | Son | Butcher | Maryland |
| 49 | Betty Sweeney | 15 | Daughter | — | Maryland |
| 50 | Gladys Sweeney | 13 | Daughter | — | Maryland |
| 51 | Shirley Sweeney | 8 | Daughter | — | Maryland |
| 52 | Kenneth Sweeney | 2 | Son | — | Maryland |
| 53 | Wilbur J. Miller | 47 | Head | Laborer | Maryland |
| 54 | Daisy Miller | 46 | Wife | — | Maryland |
| 55 | Charles Miller | 30 | Son | Laborer | Maryland |
| 56 | Ola Miller | 28 | Daughter in law | — | Maryland |
| 57 | Virginia Miller | 5 | Daughter | — | Maryland |
| 58 | Albert Miller | 17 | Son | — | Maryland |
| 59 | Charles Anders | 31 | Head | Laborer | Maryland |
| 60 | Irene Anders | 26 | Wife | — | Maryland |
| 61 | Freda Anders | 6 | Daughter | — | Maryland |
| 62 | Franklin Anders | 5 | Son | — | Maryland |
| 63 | Melvin Anders | 3 | Son | — | Maryland |
| 64 | Edward Anders | 2 | Son | — | Maryland |
| 65 | Raymond E. Fraley | 47 | Head | Farmer | Maryland |
| 66 | Daisy C. Fraley | 44 | Wife | — | Maryland |
| 67 | Roland Fraley | 16 | Son | Laborer | Maryland |
| 68 | Marlin Fraley | 14 | Son | Laborer | Maryland |
| 69 | Harold Fraley | 12 | Son | — | Maryland |
| 70 | Gloria Jean Fraley | 10 | Daughter | — | Maryland |
| 71 | Monroe Fraley | 8 | Son | — | Maryland |
| 72 | James A. Harne | 25 | Head | Laborer | Maryland |
| 73 | Irene Harne | 25 | Wife | — | Maryland |
| 74 | Betty L. Harne | 6 | Daughter | — | Maryland |
| 75 | Janice V. Harne | 4 | Daughter | — | Maryland |
| 76 | Robert Lee Harne | 1 | Son | — | Maryland |
| 77 | Clyde H. Stitley | 45 | Head | Chipper | Maryland |
| 78 | Ruth Stitley | 38 | Wife | — | Maryland |
| 79 | Louise Stitley | 18 | Daughter | — | Maryland |
| 80 | Norman Stitley | 16 | Son | — | 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)