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Joseph Cooper — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Joseph Cooper across the 1900 and 1910 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a head (b.~1844), then head of a 9-person household.
Age 56
b. ~1844
Male
Head
Born: Maryland
Married
1900 Census Record Details
| Census Year | 1900 |
| Location | Baltimore, Maryland |
| Surname | Cooper |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Maryland |
| Birth Month | Jan |
| Birth Year | 1844 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Cook |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Cook |
| Township / Ward | 13Th Precinct Baltimore City |
| Est. Birth Year | ~1844 |
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 1900 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Sadie Cooper | Daughter | — | 16 | ~1884 |
| George Cooper | Son | — | 8 | ~1892 |
| Clara Cooper | Daughter | — | 14 | ~1886 |
| Joseph Cooper | Head | — | 56 | ~1844 |
| Walter Cooper | Son | — | 9 | ~1891 |
| Helen Cooper | Daughter | — | 12 | ~1888 |
| Clara Cooper | Spouse | — | 42 | ~1858 |
| Joseph Cooper | Son | — | 19 | ~1881 |
| Richard Cooper | Son | — | 20 | ~1880 |
Census Appearances
1900
Baltimore, Maryland
Head, age 56
Baltimore, Maryland · implied b. ~1844 — 9 household members
| Surname | Cooper |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Maryland |
| Birth Month | Jan |
| Birth Year | 1844 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Cook |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1910
Baltimore, Maryland
Other, age 64
Baltimore, Maryland · implied b. ~1846 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | James R |
| Relationship to Head | Father-in-law |
| Sex | M |
| Color / Race | White |
| Age | 64 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Carpenter |
| 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 Joseph Cooper across 2 US Census years (1900 and 1910) in Baltimore, Maryland, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Cooper
Head · 1900 · age 56 · b. ~1844 · 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:1900:12thcensusofpopu609unit:0068)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louisa Dritz | 18 | Servant | Servant | Germany |
| 2 | Joseph W Kohler | 21 | Head | Barber | Maryland |
| 3 | Annie Kohler | 20 | Wife | — | Maryland |
| 4 | Gladys Margaret Kohler | 0 | daughter | — | Maryland |
| 5 | John L Vial | 79 | Head | Tailor | Germany |
| 6 | Charlie Solong | 40 | Head | Laundry | China |
| 7 | Charles Bailey | 45 | Head | Oyster Baker | Maryland |
| 8 | Sophia Bailey | 39 | Wife | — | Maryland |
| 9 | Jenkins Bailey | 80 | father | Waiter | Maryland |
| 10 | John West | 53 | Head | Teamster | Maryland |
| 11 | Elizabeth West | 21 | daughter | Teacher | Maryland |
| 12 | Helen West | 14 | daughter | At School | Maryland |
| 13 | Sarah Gittings | 36 | Boarder | House Keeper | Maryland |
| 14 | Joseph Cooper THIS PERSON | 56 | Head | Cook | Maryland |
| 15 | Clara Cooper | 41 | Wife | — | Maryland |
| 16 | Richard Cooper | 19 | son | Teamster | Maryland |
| 17 | Joseph Cooper | 18 | son | Apprentice | Maryland |
| 18 | Sadie Cooper | 15 | daughter | At School | Maryland |
| 19 | Clara B Cooper | 13 | daughter | At School | Maryland |
| 20 | Helen Cooper | 11 | daughter | At School | Maryland |
| 21 | Walter Cooper | 9 | son | At School | Maryland |
| 22 | George Cooper | 7 | son | At School | Maryland |
| 23 | John Bouton | 49 | Head | Porter | Maryland |
| 24 | Delia Bouton | 47 | wife | — | Maryland |
| 25 | Nettie Bouton | 19 | daughter | At School | Maryland |
| 26 | Ida Bouton | 17 | daughter | — | Maryland |
| 27 | Helen Bouton | 16 | daughter | At School | Maryland |
| 28 | James Bouton | 15 | son | At School | Maryland |
| 29 | George Bouton | 14 | son | At School | Maryland |
| 30 | William James | 47 | Boarder | Coachman | Maryland |
| 31 | Sadie James | 22 | Boarder | — | Maryland |
| 32 | Jane Burk | 45 | Boarder | Servant | Maryland |
| 33 | Noel Keys | 42 | Head | Steward | Maryland |
| 34 | Louisa Keys | 37 | Wife | — | Virginia |
| 35 | Howard Keys | 18 | son | Teamster | Maryland |
| 36 | Lillie Keys | 16 | daughter | At School | Maryland |
| 37 | Jennie Keys | 12 | daughter | At School | Maryland |
| 38 | Otho Keys | 6 | son | At School | Maryland |
| 39 | Magdalena Keys | 2 | daughter | — | Maryland |
| 40 | David H Jones | 47 | Cousin | Cook | Virginia |
| 41 | Howard Smith | 21 | uncle | Waiter | Virginia |
| 42 | Noble Smith | 18 | uncle | Waiter | Virginia |
| 43 | Mary J Smith | 55 | Grandmother | — | Virginia |
| 44 | Hannah Smith | 25 | aunt | Cook | Virginia |
| 45 | George Ennis | 55 | Head | N.G. | Maryland |
| 46 | Maria Ennis | 50 | Wife | — | Maryland |
| 47 | Susan Ennis | 32 | daughter | — | Maryland |
| 48 | Frankie Ennis | 28 | daughter | — | Maryland |
| 49 | Florence Ennis | 24 | daughter | Servant | Maryland |
| 50 | Maggie Ennis | 21 | daughter | — | 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)