MJ
Margaret Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Margaret Jones across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Beulah & Charles — first a daughter (b.~1909), then head of a 9-person household.
Age 31
b. ~1909
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Jones |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public Schools |
| Class of Worker | GW |
| Income (1939) | 0 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Teacher |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Jones | Daughter | — | 31 | ~1909 |
| Anne Jones | Daughter | — | 27 | ~1913 |
| Charles Jones | Head | — | 55 | ~1885 |
| John Holton | Other | — | 12 | ~1928 |
| Samuel Jones | Son | — | 20 | ~1920 |
| Edward Jones | Son | — | 18 | ~1922 |
| Howard Jones | Son | — | 23 | ~1917 |
| Charles Jones | Son | — | 25 | ~1915 |
| Etta Jones | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Baltimore, Maryland
Daughter, age 10
Baltimore, Maryland · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| 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 |
1930
Baltimore, Maryland
Daughter, age 20
Baltimore, Maryland · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Maid |
| Industry | Doctor's Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Daughter, age 31
Baltimore-City-County, Maryland · implied b. ~1909 — 9 household members
| Surname | Jones |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Teacher |
| Industry | Public Schools |
| Class of Worker | GW |
| Income (1939) | 0 |
| Highest Grade | C 2 |
| 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 Margaret Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Beulah Glover (~0.92 confidence) and father Charles Jones (~0.92 confidence) and father George Jones (~0.92 confidence) and mother Etta Jones (~0.92 confidence) and mother Rebecca Jones (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Beulah Glover
b. ~1888
Source mother
● Household
· direct · ~0.92
Father
Charles Jones
b. ~1885
Source father
● Household
· direct · ~0.92
Father
George Jones
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Etta Jones
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Rebecca Jones
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Jones
Daughter · 1940 · age 31 · b. ~1909 · Maryland
★ You are viewing this record
Sibling
Samuel Jones
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Jones
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Jones
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Jones
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Jones
Sibling · 1940 · age 25
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 — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01526-00572)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edna Brookes | 23 | Wife | — | Maryland |
| 2 | Stanley Brookes | 0 | Son | — | Maryland |
| 3 | John D. Thomas | 39 | Head | Plasterer | South Carolina |
| 4 | Lelia Thomas | 42 | Wife | Housework | Virginia |
| 5 | Lillian Thomas | 16 | Niece | — | Virginia |
| 6 | Conelius Rouser | 31 | Head | Laborer | Virginia |
| 7 | Alberta Rouser | 41 | Wife | — | Virginia |
| 8 | Florence Rouser | 12 | Daughter | — | Maryland |
| 9 | Emma Gaines | 23 | Head | — | Delaware |
| 10 | James Gaines | 18 | Son | — | Pennsylvania |
| 11 | Edna Sneed | 20 | Lodger | — | Maryland |
| 12 | Leopold Smothers | 58 | Head | Laborer | Maryland |
| 13 | Emma Smothers | 49 | Wife | — | Maryland |
| 14 | George Brown | 37 | Head | Chauffeur | Maryland |
| 15 | Donald Brown | 14 | Grandson | — | Maryland |
| 16 | George Jr Brown | 11 | Grandson | — | Maryland |
| 17 | Juanita Brown | 10 | Daughter | — | Maryland |
| 18 | Charles Jones | 55 | Head | Waiter | Maryland |
| 19 | Etta Jones | 50 | Wife | — | Maryland |
| 20 | Margaret Jones THIS PERSON | 31 | Daughter | Teacher | Maryland |
| 21 | Anne Jones | 27 | Daughter | Nurse R.N. | Maryland |
| 22 | Charles Jr Jones | 25 | Son | Operator | Maryland |
| 23 | Howard Jones | 23 | Son | — | Maryland |
| 24 | Samuel Jones | 20 | Son | — | Maryland |
| 25 | Edward Jones | 18 | Son | — | Maryland |
| 26 | John Holton | 12 | Grandson | — | Maryland |
| 27 | Carrie Pulley | 35 | Head | Teacher | Maryland |
| 28 | Walburton Pulley | 33 | Brother | Janitor | Maryland |
| 29 | Evelyn Pulley | 29 | Sister-in-law | Housework | Virginia |
| 30 | Emma Holcomb | 39 | Head | Laundress | Virginia |
| 31 | Alexander Holcomb | 20 | Son | Delivery-Truck Driver | Maryland |
| 32 | John Showell | 26 | Head | Laborer | Pennsylvania |
| 33 | Joanna Showell | 19 | Wife | — | Maryland |
| 34 | Helen Showell | 0 | Daughter | — | Maryland |
| 35 | Clyde Haskins | 36 | Lodger | Laborer | Virginia |
| 36 | Whitfield Scott | 23 | Lodger | Laborer | Virginia |
| 37 | Leon Conway | 5 | Lodger | — | Maryland |
| 38 | Leon Johnson | 29 | Head | Chauffeur | California |
| 39 | Irene Johnson | 22 | Wife | Housework | Maryland |
| 40 | Betty Johnson | 6 | Daughter | — | Maryland |
Pedigree Summary
Margaret + 5 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)