MJ
Mary Johnson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Dorchester, Maryland
Our Model Tree links this Mary Johnson across the 1900, 1910 and 1920 US Censuses in Dorchester, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1875), then head of a 7-person household.
Age 45
b. ~1875
Female
Spouse
Born: Maryland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Dorchester, Maryland |
| Surname | Johnson |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 45 |
| Marital Status | Married |
| 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 | East New Market Dist 2 |
| Est. Birth Year | ~1875 |
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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Rufus Johnson | Daughter | — | 8 | ~1912 |
| Holly Johnson | Daughter | — | 11 | ~1909 |
| John Johnson | Head | — | 60 | ~1860 |
| Myron Johnson | Son | — | 15 | ~1905 |
| Theodore Johnson | Son | — | 13 | ~1907 |
| John Johnson | Son | — | 5 | ~1915 |
| Mary Johnson | Spouse | — | 45 | ~1875 |
Census Appearances
1900
Dorchester, Maryland
Spouse, age 22
Dorchester, Maryland · implied b. ~1878 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Maryland |
| Birth Month | Feb |
| Birth Year | 1878 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1910
Dorchester, Maryland
Spouse, age 34
Dorchester, Maryland · implied b. ~1876 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Maryland |
| Years Married | 9 |
| Children Born | 3 |
| Children Living | 2 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Factory |
| Industry | Crab |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Dorchester, Maryland
Spouse, age 45
Dorchester, Maryland · implied b. ~1875 — 7 household members
| Surname | Johnson |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 45 |
| Marital Status | Married |
| 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 Johnson across 3 US Census years (1900, 1910 and 1920) in Dorchester, Maryland, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Johnson
Spouse · 1920 · age 45 · b. ~1875 · 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 — Dorchester, Maryland
Open full size
1920 US Federal Census — Dorchester, Maryland
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu672unit:0053)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John Jr Sampson | 45 | Head | Farmer | Maryland |
| 52 | Mary H Sampson | 33 | Wife | None | Maryland |
| 53 | John L Sampson | 16 | Son | Labor | Maryland |
| 54 | Benjamin Sampson | 14 | Son | None | Maryland |
| 55 | Mary L Sampson | 13 | Daughter | None | Maryland |
| 56 | Samuel J Sampson | 11 | Son | None | Maryland |
| 57 | Wilmer R Sampson | 8 | Son | None | Maryland |
| 58 | Minnie M Sampson | 5 | Daughter | None | Maryland |
| 59 | Earnest Sampson | 23 | Head | Labor | Maryland |
| 60 | Birdie Sampson | 21 | Wife | None | Maryland |
| 61 | William Sampson | 1 | Son | None | Maryland |
| 62 | Lucy Sampson | 7 | Step dau | None | Maryland |
| 63 | John W Johnson | 60 | Head | Farmer | Maryland |
| 64 | Mary E Johnson THIS PERSON | 45 | Wife | None | Maryland |
| 65 | Myron Johnson | 15 | Son | None | Maryland |
| 66 | Theodore Johnson | 13 | Son | None | Maryland |
| 67 | Holly Johnson | 11 | Daughter | None | Maryland |
| 68 | Rufus Johnson | 8 | Daughter | None | Maryland |
| 69 | John A Johnson | 5 | Son | None | Maryland |
| 70 | Lundy Jackson | 58 | Head | Farmer | Maryland |
| 71 | Angeline Jackson | 56 | Wife | None | Delaware |
| 72 | Harrison Hughes | 65 | Head | Farmer | Maryland |
| 73 | James Alburson | 65 | Head | Labor | Maryland |
| 74 | Lizzie Alburson | 60 | Wife | None | Maryland |
| 75 | John Alburson | 62 | Head | Labor | Maryland |
| 76 | Ezekiel Reed | 40 | Head | Farmer | Maryland |
| 77 | Bertha Reed | 34 | Wife | None | Maryland |
| 78 | Willard Reed | 15 | Son | None | Maryland |
| 79 | Walace Reed | 11 | Son | None | Maryland |
| 80 | Layton Reed | 9 | Son | None | Maryland |
| 81 | Bessie Reed | 4 | Daughter | None | Maryland |
| 82 | Eugene Reed | 1 | Son | None | Maryland |
| 83 | Susan Hemmingway | 70 | Mother-in-law | None | Maryland |
| 84 | Valentine Jones | 42 | Head | Labor | Maryland |
| 85 | Thomas Thompson | 28 | Head | Labor | Maryland |
| 86 | Ettie Thompson | 25 | Wife | None | Maryland |
| 87 | Beulah Thompson | 6 | Daughter | None | Maryland |
| 88 | Louise T Thompson | 4 | Daughter | None | Maryland |
| 89 | Harry Cornish | 42 | Head | Teamster | Maryland |
| 90 | Anna Cornish | 43 | Wife | None | Maryland |
| 91 | Sylvester Sanford | 32 | Head | Minister | Delaware |
| 92 | Dora Sanford | 33 | Wife | None | North Carolina |
| 93 | Helen Sanford | 12 | Daughter | None | Pennsylvania |
| 94 | Beatrice Sanford | 10 | Daughter | None | Delaware |
| 95 | Rosa King | 23 | Boarder | Teacher | Maryland |
| 96 | Isaac Jackson | 60 | Head | None | Maryland |
| 97 | John Jackson | 47 | Brother | Labor | Maryland |
| 98 | Mary Thompson | 78 | Head | None | Maryland |
| 99 | Matthew Thompson | 24 | Grandson | Farmer | Maryland |
| 100 | Ollie Thompson | 22 | Grandson | Mailboy | 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)