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Mary Leach — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Mary Leach across the 1910 and 1920 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1909), then head of a 4-person household.
Age 11
b. ~1909
Female
Daughter
Born: Maryland
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Baltimore, Maryland |
| Surname | Leach |
| Given Name | Mary H |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | none |
| 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 | ~1909 |
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 |
|---|---|---|---|---|
| Edward Leach | Head | — | 43 | ~1877 |
| Mary Leach | Daughter | — | 11 | ~1909 |
| Margaret Leach | Spouse | — | 38 | ~1882 |
| Gladys Leach | Daughter | — | 5 | ~1915 |
Census Appearances
1910
Baltimore, Maryland
Daughter, age 2
Baltimore, Maryland · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leach |
| Given Name | Myrtle |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Baltimore, Maryland
Daughter, age 11
Baltimore, Maryland · implied b. ~1909 — 4 household members
| Surname | Leach |
| Given Name | Mary H |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Leach across 2 US Census years (1910 and 1920) in Baltimore, Maryland, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Leach
Daughter · 1920 · age 11 · b. ~1909 · Maryland
★ You are viewing this record
Sibling
Gladys Leach
Sibling · 1920 · age 5
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
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:1920:14thcensusofpopu668unit:0659)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Henrietta Barry | 16 | Daughter | Saleslady | New York |
| 52 | Herman G Bohn | 36 | Head | Proprietor | Russia |
| 53 | Edward Leach | 43 | Head | Machinist | Maryland |
| 54 | Margaret B Leach | 38 | Wife | None | Maryland |
| 55 | Mary H Leach THIS PERSON | 11 | Daughter | None | Maryland |
| 56 | Gladys R Leach | 5 | Daughter | None | Maryland |
| 57 | Thomas P Nickerson | 30 | Head | Stat. Engr. | Maryland |
| 58 | Elizabeth Nickerson | 28 | Wife | None | Maryland |
| 59 | Selma M Nickerson | 10 | Daughter | None | Maryland |
| 60 | Mildred M Nickerson | 8 | Daughter | None | Maryland |
| 61 | Wm R Lednum | 51 | Head | Foreman | Maryland |
| 62 | Priscilla Lednum | 46 | Wife | None | Maryland |
| 63 | Edgar A Pass | 27 | Head | Shipper | Maryland |
| 64 | Sarah A Pass | 26 | Wife | None | Maryland |
| 65 | Ruth A Pass | 3 | Daughter | None | Maryland |
| 66 | James A Cook | 37 | Head | Machinist | Maryland |
| 67 | Daisy A Cook | 38 | Wife | None | Maryland |
| 68 | Herbert Gross | 49 | Head | Carpenter | Pennsylvania |
| 69 | Maud R Gross | 36 | Wife | None | Maryland |
| 70 | Raymond H Gross | 13 | Son | None | New York |
| 71 | Arthur H Gross | 10 | Son | None | Maryland |
| 72 | Charles E Gross | 5 | Son | None | Maryland |
| 73 | August Mengert | 56 | Head | Ironworker | Maryland |
| 74 | Ida M Mengert | 53 | Wife | None | Pennsylvania |
| 75 | Mary E Mengert | 30 | Daughter | Mach. Oper. | Pennsylvania |
| 76 | Alvin M Cossaboom | 40 | Head | Ironworker | New Jersey |
| 77 | Agnes M Cossaboom | 38 | Wife | None | New Jersey |
| 78 | Wm H Robinson | 46 | Head | Ironworker | West Virginia |
| 79 | Sarah A Robinson | 46 | Wife | None | Pennsylvania |
| 80 | David E Dandy | 56 | Head | Ironworker | Switzerland |
| 81 | Edith M Dandy | 46 | Wife | None | Maryland |
| 82 | Louis H Dandy | 28 | Son | Agent | Maryland |
| 83 | Joseph G Dandy | 40 | Brother | Oil Refiner | Pennsylvania |
| 84 | Robert C Bennett | 51 | Head | Blacksmith | Maryland |
| 85 | Martha E Bennett | 45 | Wife | None | Maryland |
| 86 | Robert L Bennett | 18 | Son | Draftsman | Maryland |
| 87 | William H Vansant | 36 | Head | Electrician | Maryland |
| 88 | Caroline H Vansant | 28 | Wife | None | Maryland |
| 89 | George F Messner | 41 | Head | Template | Iowa |
| 90 | Ethel E Messner | 36 | Wife | None | Kansas |
| 91 | Dorothy Messner | 11 | Daughter | None | New York |
| 92 | Clarence L Emmons | 38 | Head | Ironworker | New Jersey |
| 93 | Lillian M Emmons | 18 | Daughter | None | New Jersey |
| 94 | Russell Emmons | 16 | Son | Apprentice | New Jersey |
| 95 | Myra Emmons | 14 | Son | None | New Jersey |
| 96 | Thelma Emmons | 11 | Daughter | None | New Jersey |
| 97 | Clarence Emmons | 8 | Son | None | New Jersey |
| 98 | Naomi Emmons | 6 | Daughter | None | New Jersey |
| 99 | James Tatum | 39 | Head | Chauffeur | Maryland |
| 100 | Rose May Tatum | 14 | Daughter | None | 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)