MJ
Mary Jones — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Mary Jones across the 1900, 1910 and 1920 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a head (b.~1868), then head of a 3-person household.
Age 52
b. ~1868
Female
Head
Born: Maryland
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Baltimore, Maryland |
| Surname | Jones |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 52 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Laundress |
| Industry | At Home |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laundress |
| 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.
3 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Elsie Jones | Daughter | — | 12 | ~1908 |
| Mary Jones | Head | — | 52 | ~1868 |
| John Jones | Son | — | 32 | ~1888 |
Census Appearances
1900
Baltimore, Maryland
Spouse, age 34
Baltimore, Maryland · implied b. ~1866 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Maryland |
| Birth Month | Mch |
| Birth Year | 1866 |
| 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 |
1910
Baltimore, Maryland
Head, age 43
Baltimore, Maryland · implied b. ~1867 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Mary S |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 43 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| Children Born | 7 |
| Children Living | 6 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laundress |
| Industry | Home |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Baltimore, Maryland
Head, age 52
Baltimore, Maryland · implied b. ~1868 — 3 household members
| Surname | Jones |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 52 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laundress |
| Industry | At Home |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| 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 Jones across 3 US Census years (1900, 1910 and 1920) in Baltimore, Maryland, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Jones
Head · 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:1920:14thcensusofpopu665unit:0330)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Johnson | 28 | Head | Laborer | Maryland |
| 2 | Alfred Smith | 41 | Head | Grinder | West Indies |
| 3 | Annie Brown | 30 | Lodger | Cook | Virginia |
| 4 | Samuel Wilson | 27 | Head | Laborer | Maryland |
| 5 | Viola Wilson | 31 | Wife | Servant | Maryland |
| 6 | Freddie Wilson | 12 | Son | — | Maryland |
| 7 | Charles Gamble | 29 | Head | Coach Driver | Maryland |
| 8 | Eva Gamble | 25 | Wife | — | Maryland |
| 9 | John Gamble | 10 | Son | Laborer | Maryland |
| 10 | Alexander Gamble | 6 | Son | — | Maryland |
| 11 | Geo. E. Compton | 33 | Head | Porter | Kentucky |
| 12 | Cordelia Compton | 25 | Daughter | Washing | Kentucky |
| 13 | John H. Compton | 25 | Lodger | Fireman | Virginia |
| 14 | Louise Jackson | 38 | Head | Domestic | Virginia |
| 15 | Morris Jackson | 54 | Boarder | Laborer | Maryland |
| 16 | Mary Jackson | 32 | Boarder | Maid | Maryland |
| 17 | Georgia Williams | 32 | Head | Maid | Virginia |
| 18 | Edward Jones | 35 | Lodger | Laborer | Maryland |
| 19 | John Jones | 23 | Lodger | Laborer | Maryland |
| 20 | Mildred Ward | 12 | Child | — | Maryland |
| 21 | James Nicholson | 60 | Head | Missionary | Maryland |
| 22 | Maggie Christie | 35 | Head | Laundress | Virginia |
| 23 | Robert Myer | 14 | Son | — | Maryland |
| 24 | Jeremiah Myer | 12 | Son | — | Maryland |
| 25 | John Myer | 9 | Son | — | Maryland |
| 26 | Elias Wright | 36 | Head | Laborer | Maryland |
| 27 | Nellie Wright | 36 | Wife | — | Maryland |
| 28 | Edna Wright | 12 | Daughter | Helper | Maryland |
| 29 | Elias Wright | 9 | Son | Helper | Maryland |
| 30 | Walter Wright | 7 | Son | Laborer | Maryland |
| 31 | Freddie Foy | 32 | Nephew | Laborer | Maryland |
| 32 | Mary Jones THIS PERSON | 52 | Head | Laundress | Maryland |
| 33 | John B. Jones | 32 | Son | Undertaker | Maryland |
| 34 | Elsie Jones | 12 | Daughter | — | Maryland |
| 35 | Lewis Jones | 42 | Head | Oyster Shucker | Maryland |
| 36 | Henrietta Jones | 41 | Wife | Servant | Maryland |
| 37 | Edna May Jones | 18 | Daughter | Servant | Maryland |
| 38 | Beulah Jones | 15 | Daughter | Servant | Maryland |
| 39 | John Spencer | 38 | Head | Laborer | Maryland |
| 40 | Carmela Spencer | 36 | Wife | Servant | Maryland |
| 41 | Helen Graves | 19 | Sister | Servant | Maryland |
| 42 | Albert Bailey | 38 | Head | Driver | Maryland |
| 43 | Flora Bailey | 36 | Wife | — | Maryland |
| 44 | Beatrice Bailey | 15 | Daughter | Servant Boy | Maryland |
| 45 | Florence Bailey | 13 | Daughter | — | Maryland |
| 46 | Dorothy Bailey | 7 | Daughter | — | Maryland |
| 47 | Leonard Bailey | 4 | Son | — | Maryland |
| 48 | George Francis | 39 | Head | Laborer | Maryland |
| 49 | Charles Francis | 40 | Brother | Laborer | Maryland |
| 50 | Harry Taylor | 45 | Head | Barber | 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)