EJ
Ernest Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Ernest Jones across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Carrie & Emory — first a son (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Jones |
| Given Name | Ernest C. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | no |
| Industry | no |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 1935 Residence | 8 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1915 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ernest | Age | Birth yr |
|---|---|---|---|---|
| Clara Webster | Daughter | — | 23 | ~1917 |
| Mary Jones | Daughter | — | 13 | ~1927 |
| Nettie Jones | Other | — | 5 | ~1935 |
| Ernest Jones | Son | — | 25 | ~1915 |
| Carrie Jones | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Baltimore, Maryland
Son, age 5
Baltimore, Maryland · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Ernest |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 15
Baltimore, Maryland · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Ernest C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 25
Baltimore-City-County, Maryland · implied b. ~1915 — 5 household members
| Surname | Jones |
| Given Name | Ernest C. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | no |
| Industry | no |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 1935 Residence | 8 |
| 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 Ernest Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Carrie Jones (~0.92 confidence) and father Emory Jones (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Carrie Jones
b. ~1892
Source mother
● Household
· direct · ~0.92
Father
Emory Jones
b. ~1892
Source father
● Household
· direct · ~0.92
This person
Anchor record
Ernest Jones
Son · 1940 · age 25 · b. ~1915 · Maryland
★ You are viewing this record
Sibling
Mary Jones
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Webster
Sibling · 1940 · age 23
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-t0627-01521-00124)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carrie M. Jones | 48 | wife | No | Maryland |
| 42 | Ernest C. Jones THIS PERSON | 25 | son | No | Maryland |
| 43 | Mary M. Jones | 13 | daughter | No | Maryland |
| 44 | Nettie Lee Jones | 5 | gr-daughter | — | Maryland |
| 45 | Clara C. Webster | 23 | daughter | No | Maryland |
| 46 | Charles C. Crappy | 52 | head | Automobile Sales + Service | Maryland |
| 47 | Edith M. Crappy | 46 | wife | No | Virginia |
| 48 | Walter F. Kopka | 44 | head | Railroad | Maryland |
| 49 | Helen R. Kopka | 33 | wife | No | Maryland |
| 50 | Walter F. Kopka | 10 | son | — | Maryland |
| 51 | Isaac N. Ambrose | 45 | head | No | Maryland |
| 52 | Mary C. Ambrose | 24 | wife | No | Maryland |
| 53 | Sarah S. Hammond | 51 | head | Retail Grocery Store | Maryland |
| 54 | Robert M. Nutter | 52 | head | Moving Pictures | Maryland |
| 55 | Goldie G. Nutter | 50 | wife | No | Maryland |
| 56 | Frank M. Nutter | 25 | son | Stationary Store | Maryland |
| 57 | Charles C. Nutter | 16 | son | No | Maryland |
| 58 | Hazel V. Nutter | 13 | daughter | — | Maryland |
| 59 | George H. Joy | 37 | head | Airplane Factory | Maryland |
| 60 | Ida D. C. Joy | 41 | wife | No | Virginia |
| 61 | William O. Joy | 16 | son | — | Maryland |
| 62 | Frances D. Joy | 14 | daughter | No | Maryland |
| 63 | Helen B. Joy | 6 | daughter | — | Maryland |
| 64 | Thomas L. Hart | 40 | son | Barber Shop | Maryland |
| 65 | Katherine Hart | 40 | wife | No | Maryland |
| 66 | Katherine Phelps | 76 | sister | No | Maryland |
| 67 | Emma F. Hamilton | 64 | head | — | Maryland |
| 68 | Elizabeth H. Hamilton | 31 | daughter | Cotton Mill | Maryland |
| 69 | Leonard F. Hamilton | 25 | son | Cotton Mill | Maryland |
| 70 | Charles H. Harris | 38 | head | Cotton Mill | Maryland |
| 71 | Mamie A. Harris | 45 | wife | No | Maryland |
| 72 | Sterling R. Rimmey | 19 | son | Pants Factory | Maryland |
| 73 | Hattie Riemer | 36 | lodger | Mfg. Pants | Maryland |
| 74 | Charles C. Knight | 51 | head | Building Construction | Maryland |
| 75 | Hattie S. Knight | 49 | wife | No | Pennsylvania |
| 76 | Marguerite S. Knight | 18 | daughter | Retail Grocery Store | Pennsylvania |
| 77 | Betty M. Knight | 15 | daughter | No | Pennsylvania |
| 78 | Seilla Aner | 72 | mother-in-law | No | Pennsylvania |
| 79 | Thomas A. Fryer | 81 | head | No | Maryland |
| 80 | Margaret M. Bell | 48 | housekeeper | — | Maryland |
Related Census Records
Pedigree Summary
Ernest + 2 siblings
Gen 1 · 2 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)