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Catherine Hill — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Frederick-County, Maryland
Our Model Tree links this Catherine Hill across the 1930 and 1940 US Censuses in Frederick-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1906), then head of a 8-person household.
Age 34
b. ~1906
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Frederick-County, Maryland |
| Surname | Hill |
| Given Name | Catherine V |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Bartonville |
| 1935 Residence (County) | Frederick |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Bartonville |
| Est. Birth Year | ~1906 |
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 Catherine | Age | Birth yr |
|---|---|---|---|---|
| James Hill | Son | — | 2 | ~1938 |
| Sarah Hill | Other | — | 76 | ~1864 |
| Catherine Hill | Daughter | — | 6 | ~1934 |
| Barbara Hill | Daughter | — | 5 | ~1935 |
| Catherine Hill | Spouse | — | 34 | ~1906 |
| Theodore Hill | Son | — | 11 | ~1929 |
| Spencer Hill | Head | — | 35 | ~1905 |
| Ruby Hill | Daughter | — | 9 | ~1931 |
Census Appearances
1930
Frederick, Maryland
Other, age 22
Frederick, Maryland · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hill |
| Given Name | Catherine E |
| Relationship to Head | Servant |
| Sex | F |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Servant |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Frederick-County, Maryland
Spouse, age 34
Frederick-County, Maryland · implied b. ~1906 — 8 household members
| Surname | Hill |
| Given Name | Catherine V |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Bartonville |
| 1935 Residence (County) | Frederick |
| Class of Worker | 0 |
| Highest Grade | No 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 Catherine Hill across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Catherine Hill
Spouse · 1940 · age 34 · b. ~1906 · Maryland
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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-t0627-01549-00065)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Nannie O Brooks | 40 | Wife | Cook | Maryland |
| 42 | Spencer F Hill | 35 | Head | Laborer | Maryland |
| 43 | Catherine V Hill THIS PERSON | 34 | Wife | — | Maryland |
| 44 | Theodore K Hill | 11 | Son | — | Maryland |
| 45 | Ruby L Hill | 9 | Daughter | — | Maryland |
| 46 | Catherine D Hill | 6 | Daughter | — | Maryland |
| 47 | Barbara A Hill | 5 | Daughter | — | Maryland |
| 48 | James F Hill | 2 | Son | — | Maryland |
| 49 | Sarah E Hill | 76 | Mother | — | Maryland |
| 50 | Mary L O'Hara | 85 | Head | — | Maryland |
| 51 | Oscar M O'Hara | 46 | Son | Signal Man | Maryland |
| 52 | Mamie F O'Hara | 54 | Daughter | — | Maryland |
| 53 | Norman Doonburg | 38 | Head | Truck Driver | Maryland |
| 54 | Meta Doonburg | 35 | Wife | Seamstress | Maryland |
| 55 | Pauline Doonburg | 14 | Daughter | — | Maryland |
| 56 | Coraine Doonburg | 11 | Daughter | — | Maryland |
| 57 | Henry Black | 27 | Head | Driller | Virginia |
| 58 | Minna F Black | 24 | Wife | — | Virginia |
| 59 | Betty Jane Black | 6 | Daughter | — | Virginia |
| 60 | Dorothy M Booker | 19 | Niece | — | Virginia |
| 61 | Nancy M Booker | 1 | Cousin | — | Maryland |
| 62 | Albert G Mccracken | 27 | Head | Brush Maker | Maryland |
| 63 | Genevieve Mccracken | 21 | Wife | — | Maryland |
| 64 | Edith M Mccracken | 1 | Daughter | — | Maryland |
| 65 | William H Summers | 37 | Head | Laborer | Maryland |
| 66 | Martha E Summers | 34 | Wife | — | Maryland |
| 67 | Mary V Summers | 13 | Daughter | — | Maryland |
| 68 | Melvin R Summers | 11 | Son | — | Penna |
| 69 | William A Sier | 35 | Head | Wpa Laborer | Maryland |
| 70 | Minnie M Sier | 50 | Wife | — | Maryland |
| 71 | Luther O Brown | 26 | Head | Laborer | Maryland |
| 72 | Ida M Brown | 23 | Wife | — | Maryland |
| 73 | Luther P Brown | 6 | Son | — | Maryland |
| 74 | Mary E Brown | 5 | Daughter | — | Maryland |
| 75 | Franklin M Brown | 3 | Son | — | Maryland |
| 76 | Floyd E Brown | 2 | Son | — | Maryland |
| 77 | James M Diggs | 48 | Head | Laborer | Maryland |
| 78 | Julia R Diggs | 49 | Wife | — | Maryland |
| 79 | Julia V Diggs | 16 | Daughter | House Maid | Maryland |
| 80 | Charles M Diggs | 14 | 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)