MH
Mary Hill — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Mary Hill across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1868), then head of a 4-person household.
Age 52
b. ~1868
Female
Spouse
Born: Maryland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Baltimore, Maryland |
| Surname | Hill |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1868 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Hill | Daughter | — | 23 | ~1897 |
| Margaret Hill | Daughter | — | 20 | ~1900 |
| Albert Hill | Head | — | 52 | ~1868 |
| Mary Hill | Spouse | — | 52 | ~1868 |
Census Appearances
1920
Baltimore, Maryland
Spouse, age 52
Baltimore, Maryland · implied b. ~1868 — 4 household members
| Surname | Hill |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Head, age 62
Baltimore, Maryland · implied b. ~1868 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hall |
| Given Name | Mary E. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| Age at First Marriage | 27 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 7500 |
| Radio Set | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Other, age 73
Baltimore-City-County, Maryland · implied b. ~1867 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hall |
| Given Name | Mary E. |
| Relationship to Head | Mother-in-law |
| Sex | F |
| Color / Race | White |
| Age | 73 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Highest Grade | No 8 |
| 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 Mary Hill across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hill
Spouse · 1920 · age 52 · b. ~1868 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Baltimore, Maryland
Open full size
1920 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu664unit:1006)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles W Allen | 62 | Head | Agent | New Jersey |
| 2 | Jennie Allen | 67 | Wife | — | Maryland |
| 3 | Joseph B Cook | 34 | Son-in-law | Assistant Superintendent | Maryland |
| 4 | Lillian A Cook | 35 | Daughter | — | Maryland |
| 5 | Robert J Doyle | 33 | Head | Supervisor | Maryland |
| 6 | Marie Doyle | 27 | Wife | — | Maryland |
| 7 | Dorothy Doyle | 4 | Daughter | — | Maryland |
| 8 | Margaret Doyle | 2 | Daughter | — | Maryland |
| 9 | Samuel H Humphrey | 33 | Head | Foreman | Pennsylvania |
| 10 | Edna Humphrey | 33 | Wife | — | Maryland |
| 11 | Florence Bayley | 16 | Cousin | Stenographer | Maryland |
| 12 | Albert I Lansdale | 28 | Head | — | North Carolina |
| 13 | Katherine Lansdale | 50 | Mother | — | Maryland |
| 14 | Harry J Lansdale | 20 | Foster son | — | Maryland |
| 15 | Harold E Denton | 32 | Head | Superintendent | New York |
| 16 | Grace V Denton | 32 | Wife | — | New York |
| 17 | Ethel Denton | 11 | Daughter | — | New York |
| 18 | Elizabeth Denton | 7 | Daughter | — | New York |
| 19 | John H Crewman | 34 | Head | Contractor | Maryland |
| 20 | Annie Crewman | 38 | Wife | — | Maryland |
| 21 | John H Jr Crewman | 13 | Son | — | Maryland |
| 22 | Charles Crewman | 6 | Son | — | Maryland |
| 23 | George H Crewman | 67 | Head | Canvasser | Maryland |
| 24 | Sarah Crewman | 62 | Wife | — | Maryland |
| 25 | J Truman Crewman | 36 | Son | Tacker | Maryland |
| 26 | Annie M Hays | 49 | Boarder | Trained Nurse | Virginia |
| 27 | David Campbell | 45 | Head | Marine Superintendent | Scotland |
| 28 | Jessie Campbell | 38 | Wife | — | Scotland |
| 29 | David L Campbell | 12 | Son | — | Scotland |
| 30 | George D Campbell | 10 | Son | — | Scotland |
| 31 | Donald S Campbell | 7 | Son | — | Scotland |
| 32 | Violet Zepp | 20 | Servant | — | Maryland |
| 33 | Elmer Zepp | 1 | Servant | — | Maryland |
| 34 | Catherine Grahler | 54 | Head | — | Maryland |
| 35 | Grace A Doyle | 50 | Sister | Dressmaker | Maryland |
| 36 | Samuel J Grahler | 57 | Brother | Dairyman | Maryland |
| 37 | Emily J Allen | 45 | Boarder | Designer | Maryland |
| 38 | Rhodes H Shiles | 39 | Head | Electrical Engineer | Delaware |
| 39 | Ethel Shiles | 34 | Wife | — | Maryland |
| 40 | Donald H Shiles | 13 | Son | — | Maryland |
| 41 | Margaret Shiles | 12 | Daughter | — | Maryland |
| 42 | Katherine Shiles | 7 | Daughter | — | Maryland |
| 43 | Theophile Crewman | 46 | Head | Manager | Belgium |
| 44 | Rosalie Crewman | 42 | Wife | — | New York |
| 45 | Edith Mallon | 58 | Lodger | — | Maryland |
| 46 | Edith F Mallon | 37 | Lodger | Bookkeeper | Maryland |
| 47 | Albert S Hill | 52 | Head | Operator | Maryland |
| 48 | Mary E Hill THIS PERSON | 52 | Wife | — | Maryland |
| 49 | Mary E Hill | 23 | Daughter | — | Maryland |
| 50 | Margaret Hill | 20 | Daughter | — | Maryland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)