MH
Mary Hull — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Carroll-County, Maryland
Our Model Tree links this Mary Hull across the 1930 and 1940 US Censuses in Carroll-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 5-person household.
Age 16
b. ~1924
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Carroll-County, Maryland |
| Surname | Hull |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 2 Uniontown |
| 1935 Residence (County) | Carroll |
| Additional Details | |
| Highest Grade | Hs 2 |
| 1935 Residence | Same House |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election District 2 Uniontown |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Edwin Hull | Son | — | 21 | ~1919 |
| Mary Hull | Daughter | — | 16 | ~1924 |
| Richard Hull | Son | — | 19 | ~1921 |
| H Hull | Head | — | 43 | ~1897 |
| Margaret Hull | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Carroll, Maryland
Daughter, age 6
Carroll, Maryland · implied b. ~1924 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hall |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Maryland |
| Mother's Birthplace | Washington |
| Occupation | none |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Carroll-County, Maryland
Daughter, age 16
Carroll-County, Maryland · implied b. ~1924 — 5 household members
| Surname | Hull |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 2 Uniontown |
| 1935 Residence (County) | Carroll |
| Highest Grade | Hs 2 |
| 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 Mary Hull across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hull
Daughter · 1940 · age 16 · b. ~1924 · Maryland
★ You are viewing this record
Sibling
Edwin Hull
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Hull
Sibling · 1940 · age 19
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 — Carroll-County, Maryland
Open full size
1940 US Federal Census — Carroll-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01544-00108)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ada V Baust | 62 | Head | — | Maryland |
| 2 | Leona P Baust | 19 | Grand-daughter | — | Maryland |
| 3 | James E Hiltabidle | 26 | Head | Farmer | Maryland |
| 4 | Laura A Hiltabidle | 62 | Wife | — | Maryland |
| 5 | Ruth F Hiltabidle | 23 | Daughter | Hand Roll | Maryland |
| 6 | Alfred Hiltabidle | 30 | Son | Farm Laborer | Maryland |
| 7 | Russell C Baust | 26 | Head | Janitor | Maryland |
| 8 | Sarah V D Baust | 22 | Wife | — | Maryland |
| 9 | Helen G Baust | 31 | Daughter | Pocket Sewer | Maryland |
| 10 | E. Harvey Kemper | 25 | Head | — | Maryland |
| 11 | Annie E Kemper | 22 | Wife | — | Maryland |
| 12 | Charles H Keefer | 52 | Head | Farmer | Maryland |
| 13 | Grace C Keefer | 46 | Wife | — | Maryland |
| 14 | Howard H Keefer | 26 | Son | Farm Laborer | Maryland |
| 15 | Harriet G Keefer | 24 | Daughter-in-law | — | Maryland |
| 16 | Marshall G Saur | 68 | Brother-in-law | Farm Laborer | Maryland |
| 17 | Otto C Kayers | 53 | Head | Farmer | Maryland |
| 18 | Bessie R Kayers | 54 | Wife | — | Maryland |
| 19 | Mildred P Kayers | 16 | Daughter | — | Maryland |
| 20 | Eugene G Kayers | 14 | Son | — | Maryland |
| 21 | Earl R Hahn | 33 | Head | Bed Last | Maryland |
| 22 | Hazel C Hahn | 28 | Wife | — | Maryland |
| 23 | Betty J Hahn | 8 | Daughter | — | Maryland |
| 24 | Paul E Hahn | 4 | Son | — | Maryland |
| 25 | H. Paul Hull | 43 | Head | Farmer | Maryland |
| 26 | Margaret E Hull | 41 | Wife | — | Maryland |
| 27 | Edwin C Hull | 21 | Son | Farm Laborer | Maryland |
| 28 | Richard E Hull | 19 | Son | Farm Laborer | Maryland |
| 29 | Mary E Hull THIS PERSON | 16 | Daughter | — | Maryland |
| 30 | Raymond T Ettinger | 51 | Head | Farmer | Maryland |
| 31 | Ella E Ettinger | 48 | Wife | — | Maryland |
| 32 | Pauline M Ettinger | 18 | Daughter | — | Maryland |
| 33 | Clara A Ettinger | 16 | Daughter | — | Maryland |
| 34 | Doris L Ettinger | 12 | Daughter | — | Maryland |
| 35 | Norman T Ettinger | 10 | Son | — | Maryland |
| 36 | Daniel J Engelbrecht | 51 | Head | Farmer | Maryland |
| 37 | Daniel J Engelbrecht | 49 | Hired Hand | Farm Laborer | Maryland |
| 38 | Sarah J Engelbrecht | 41 | Wife | — | Maryland |
| 39 | Caroline J Engelbrecht | 6 | Daughter | — | Maryland |
| 40 | Helen J Engelbrecht | 80 | Mother | — | 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)