JD
James Dennis — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Baltimore, Maryland
Our Model Tree links this James Dennis across the 1900 and 1910 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a head (b.~1858), then head of a 6-person household.
Age 42
b. ~1858
Male
Head
Born: Maryland
Married
1900 Census Record Details
| Census Year | 1900 |
| Location | Baltimore, Maryland |
| Surname | Dennis |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maryland |
| Birth Month | Mar |
| Birth Year | 1858 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Write | Driver of Wagon |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | 9Th Precinct |
| Est. Birth Year | ~1858 |
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.
6 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Dennis | Daughter | — | 9 | ~1891 |
| James Dennis | Head | — | 42 | ~1858 |
| Martha Dennis | Daughter | — | 11 | ~1889 |
| Huston Dennis | Son | — | 15 | ~1885 |
| Rhoda Dennis | Spouse | — | 40 | ~1860 |
| Mary Dennis | Daughter | — | 14 | ~1886 |
Census Appearances
1900
Baltimore, Maryland
Head, age 42
Baltimore, Maryland · implied b. ~1858 — 6 household members
| Surname | Dennis |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maryland |
| Birth Month | Mar |
| Birth Year | 1858 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Write | Driver of Wagon |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1910
Baltimore, Maryland
Head, age 52
Baltimore, Maryland · implied b. ~1858 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dean |
| Given Name | James H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Maryland |
| Years Married | 22 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Waiter |
| Industry | Hotel |
| 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 Dennis across 2 US Census years (1900 and 1910) in Baltimore, Maryland, using XGBoost record linkage.
Show:
This person
Anchor record
James Dennis
Head · 1900 · age 42 · b. ~1858 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1900 US Federal Census — Baltimore, Maryland
Open full size
1900 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu608unit:1181)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Charles Herman | 39 | Boarder | Teacher Furniture | Russia |
| 52 | Joseph Hackleman | 88 | Head | — | Russia |
| 53 | Wina Hackleman | 80 | Wife | — | Russia |
| 54 | Abraham Rosenfeld | 25 | Head | Tailor | Russia |
| 55 | Rosa Rosenfeld | 23 | Wife | — | Russia |
| 56 | Morris Rosenfeld | 4 | Son | — | Maryland |
| 57 | Katie Rosenfeld | 2 | Daughter | — | Maryland |
| 58 | Ida Rosenfeld | 1 | Daughter | — | Maryland |
| 59 | David Lang | 36 | Head | Rail Road Fireman | Germany |
| 60 | Mary A. Lang | 34 | Wife | — | Maryland |
| 61 | Frederick Lang | 9 | Son | — | Maryland |
| 62 | Martin Lang | 7 | Son | — | Maryland |
| 63 | Annie Lang | 4 | Daughter | — | Maryland |
| 64 | Edward Lang | 3 | Son | — | Maryland |
| 65 | Emil Lang | None | Son | — | Maryland |
| 66 | Edelen Collins | 50 | Head | — | Maryland |
| 67 | Frank Dorsey | 52 | Lodger | — | Florida |
| 68 | Bertie Scott | 12 | Boarder | — | Maryland |
| 69 | Thomas Davis | 40 | Head | — | Maryland |
| 70 | Lizzie Davis | 37 | Wife | — | Virginia |
| 71 | Henrietta Wright | 37 | Head | — | Maryland |
| 72 | Daniel Wright | 21 | Son | — | Maryland |
| 73 | John Wright | 15 | Son | — | Maryland |
| 74 | James Dennis THIS PERSON | 42 | Head | — | Maryland |
| 75 | Rhoda Dennis | 39 | Wife | — | Virginia |
| 76 | Huston S. Dennis | 15 | Son | — | Maryland |
| 77 | Mary Dennis | 13 | Daughter | — | Maryland |
| 78 | Martha Dennis | 10 | Daughter | — | Maryland |
| 79 | Gertrude Dennis | 8 | Daughter | — | Maryland |
| 80 | Nathan Blaustein | 42 | Head | Wholesale Grocer | Russia |
| 81 | Dora Blaustein | 41 | Wife | — | Russia |
| 82 | Frank Blaustein | 21 | Son | Clerk Grocery | Russia |
| 83 | Louis Blaustein | 18 | Son | Clerk Grocery | Russia |
| 84 | Frieda Blaustein | 16 | Daughter | — | Russia |
| 85 | Joseph Blaustein | 14 | Son | At School | Russia |
| 86 | Fanny Blaustein | 12 | Daughter | At School | Russia |
| 87 | Samuel Blaustein | 9 | Son | At School | Russia |
| 88 | Ida Blaustein | 7 | Daughter | — | Maryland |
| 89 | Goldie Blaustein | 5 | Daughter | — | Maryland |
| 90 | Hyman Blaustein | 2 | Son | — | Maryland |
| 91 | Mollie Blaustein | 1 | Daughter | — | Maryland |
| 92 | Emil Pfeiffer | 42 | Head | — | Maryland |
| 93 | Mary Pfeiffer | 40 | Sister | — | Maryland |
| 94 | Annie Pfeiffer | 31 | Sister | — | Maryland |
| 95 | Emil Heidemeyer | 38 | Head | — | Maryland |
| 96 | Mary Brandt | 61 | Head | — | Germany |
| 97 | Elizabeth Brandt | 33 | Daughter | — | Maryland |
| 98 | Mary Brandt | 28 | Daughter | — | Maryland |
| 99 | William Bowers | 50 | Head | — | Maryland |
| 100 | Elizabeth Bowers | 58 | Wife | — | Maryland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1900 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)