JE
James Ellis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this James Ellis across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed), with identified parents Mary & Mary — first a head (b.~1900), then head of a 5-person household.
Age 30
b. ~1900
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Ellis |
| Given Name | James D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 25 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Northern Ireland |
| Additional Details | |
| Occupation | Bricklayer |
| Industry | Contracting |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 32 |
| Radio Set | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Bricklayer |
| Est. Birth Year | ~1900 |
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 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Mary Ellis | Daughter | — | 2 | ~1928 |
| James Ellis | Head | — | 30 | ~1900 |
| Marie Ellis | Other | — | 30 | ~1900 |
| Charles Ellis | Son | — | ~1930 | |
| John Ellis | Son | — | 3 | ~1927 |
Census Appearances
1920
Baltimore, Maryland
Son, age 19
Baltimore, Maryland · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ellis |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Ireland |
| Occupation | Bricklayer |
| Industry | House |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Head, age 30
Baltimore, Maryland · implied b. ~1900 — 5 household members
| Surname | Ellis |
| Given Name | James D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 25 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Northern Ireland |
| Occupation | Bricklayer |
| Industry | Contracting |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 32 |
| Radio Set | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 40
Baltimore-City-County, Maryland · implied b. ~1900 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ellis |
| Given Name | James D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Occupation | Bricklayer |
| Industry | Private |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 1000 |
| Highest Grade | No 8 |
| 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 James Ellis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Ellis (~0.92 confidence) and mother Mary Ellis (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Ellis
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Mary Ellis
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Ellis
Head · 1930 · age 30 · b. ~1900 · Maryland
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
44 people indexed on this census page (ia:1930:15thcensus869unit:0749)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Chalk | 18 | Son | Salesman | Maryland |
| 2 | Chester Chalk | 16 | Son | — | Maryland |
| 3 | Edna Chalk | 15 | Daughter | — | Maryland |
| 4 | Kenneth Chalk | 13 | Son | — | Maryland |
| 5 | Douglas Chalk | 7 | Son | — | Maryland |
| 6 | Dorothy Chalk | 4 | Daughter | — | Maryland |
| 7 | Henry Von Hagel | 57 | Head | Lineman | Pennsylvania |
| 8 | Margaret Von Hagel | 59 | Wife-H | — | Maryland |
| 9 | Walter Von Hagel | 24 | Son | Clerk | Maryland |
| 10 | Clara Scheinder | 45 | Mother-in-law | Clerk | Maryland |
| 11 | Lizzetta Scheinder | 53 | Sister-in-law | Saleslady | Maryland |
| 12 | Lottie Scheinder | 47 | Sister-in-law | Packer | Maryland |
| 13 | Minnie Scheinder | 87 | Mother-in-law | — | Germany-Un |
| 14 | James D Ellis THIS PERSON | 30 | Head | Bricklayer | Maryland |
| 15 | Marie Ellis | 30 | Wife-H | — | Maryland |
| 16 | John D Ellis | 3 | Son | — | Maryland |
| 17 | Mary Ellis | 2 | Daughter | — | Maryland |
| 18 | Charles Ellis | 0 | Son | — | Maryland |
| 19 | William Gracey | 25 | Head | Splicer | Maryland |
| 20 | Grace Gracey | 23 | Wife-H | — | Maryland |
| 21 | Allen Gracey | 4 | Son | — | Maryland |
| 22 | John R Gracey | 1 | Son | — | Maryland |
| 23 | Mable Ebsworth | 45 | Aunt | Folder | Maryland |
| 24 | Earl Vogt | 41 | Uncle | Baker | Maryland |
| 25 | Gordon Vogt | 14 | Cousin | — | Maryland |
| 26 | Raymond Sr Potzier | 31 | Head | Bricklayer | Maryland |
| 27 | Mary F Potzier | 30 | Wife-H | — | Maryland |
| 28 | Helen Potzier | 10 | Daughter | — | Maryland |
| 29 | Raymond Jr Potzier | 7 | Son | — | Maryland |
| 30 | David Potzier | 3 | Son | — | Maryland |
| 31 | Frederick Millet | 55 | Head | Stock Broker | Maine |
| 32 | Rosa H Millet | 59 | Wife-H | — | Maryland |
| 33 | Carroll Rever | 28 | Head | Salesman | Maryland |
| 34 | Isabel Rever | 26 | Wife-H | — | Massachusetts |
| 35 | Ferdinand Rever | 52 | Head | Proprietor | Maryland |
| 36 | Carrie Rever | 51 | Wife-H | — | Maryland |
| 37 | Fuller Hance | 48 | Head | Physician | North Carolina |
| 38 | Frances Hance | 49 | Wife-H | — | Maryland |
| 39 | Lucius R Jr White | 42 | Head | Architect | Maryland |
| 40 | Roberta D White | 42 | Wife-H | — | Maryland |
| 41 | Mildred D White | 17 | Daughter | — | Maryland |
| 42 | Edward C White | 12 | Son | — | Maryland |
| 46 | Catherine Zalunski | 71 | Head | Packer | Maryland |
| 47 | Mary Marcinkowska | 56 | Aunt-H | — | Russia-Un |
Pedigree Summary
James
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 1930 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)