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Martha Harris — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Martha Harris across the 1900, 1910 and 1920 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1854), then head of a 7-person household.
Age 46
b. ~1854
Female
Spouse
Born: Wales
Married
1900 Census Record Details
| Census Year | 1900 |
| Location | Allegheny, Pennsylvania |
| Surname | Harris |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Wales |
| Birth Month | May |
| Birth Year | 1854 |
| Year of Immigration | 1880 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Additional Details | |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
| Township / Ward | Pittsburg City |
| Est. Birth Year | ~1854 |
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.
7 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Edith Harris | Daughter | — | 12 | ~1888 |
| May Harris | Daughter | — | 15 | ~1885 |
| John Harris | Head | — | 49 | ~1851 |
| Arthur Harris | Son | — | 19 | ~1881 |
| William Harris | Son | — | 21 | ~1879 |
| Samuel Harris | Son | — | 9 | ~1891 |
| Martha Harris | Spouse | — | 46 | ~1854 |
Census Appearances
1900
Allegheny, Pennsylvania
Spouse, age 46
Allegheny, Pennsylvania · implied b. ~1854 — 7 household members
| Surname | Harris |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Wales |
| Birth Month | May |
| Birth Year | 1854 |
| Year of Immigration | 1880 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1910
Allegheny, Pennsylvania
Head, age 57
Allegheny, Pennsylvania · implied b. ~1853
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Harris |
| Given Name | Mary |
| Relationship to Head | head |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Widowed |
| Birthplace | Wales |
| Children Born | 0 |
| Children Living | 0 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | own income |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1920
Allegheny, Pennsylvania
Head, age 67
Allegheny, Pennsylvania · implied b. ~1853
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Harris |
| Given Name | Marie |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Widowed |
| Birthplace | Wales |
| Year of Immigration | 1871 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Welsh |
| Home Owned/Rented | R |
| Birth Country | Wales |
| Year of Naturalization | 1882 |
| Birthplace (normalized) | wales |
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 Martha Harris across 3 US Census years (1900, 1910 and 1920) in Allegheny, Pennsylvania, using XGBoost record linkage.
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This person
Anchor record
Martha Harris
Spouse · 1900 · age 46 · b. ~1854 · Pennsylvania
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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 — Allegheny, Pennsylvania
Open full size
1900 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu1360unit:0157)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Irene Deary | 19 | Daughter | At School | Pennsylvania |
| 52 | Margretta Deary | 16 | Daughter | At School | Pennsylvania |
| 53 | Elizabeth A Deary | 14 | Daughter | — | Pennsylvania |
| 54 | Edward Deary | 13 | Son | — | Pennsylvania |
| 55 | Edward J Davies | 32 | Head | Mill Laborer | Pennsylvania |
| 56 | Ellen Davies | 31 | Wife | — | Pennsylvania |
| 57 | Annie Davies | 7 | Daughter | — | Pennsylvania |
| 58 | Edward J Davies | 5 | Son | — | Pennsylvania |
| 59 | Ellen Davies | 3 | Daughter | — | Pennsylvania |
| 60 | John Davies | 2 | Son | — | Pennsylvania |
| 61 | Peter Swartzmiller | 46 | Head | Boiler Layer | Germany |
| 62 | Eva Swartzmiller | 40 | Wife | — | Pennsylvania |
| 63 | Eva Swartzmiller | 22 | Daughter | At School | Pennsylvania |
| 64 | Irwin Swartzmiller | 9 | Son | At School | Pennsylvania |
| 65 | Edna Swartzmiller | 7 | Daughter | — | Pennsylvania |
| 66 | Stella Swartzmiller | 5 | Daughter | — | Pennsylvania |
| 67 | Margaret Swartzmiller | 3 | Daughter | — | Pennsylvania |
| 68 | Ellen Swartzmiller | 1 | Daughter | — | Pennsylvania |
| 69 | Michael J O'Neil | 57 | Head | Day Laborer | Ireland |
| 70 | Maria O'Neil | 51 | Wife | — | Ireland |
| 71 | John B O'Neil | 30 | Son | Laborer Mill | Pennsylvania |
| 72 | George O'Neil | 25 | Son | Day Laborer | Pennsylvania |
| 73 | Mamie E O'Neil | 22 | Daughter | — | Pennsylvania |
| 74 | Daniel H J O'Neil | 14 | Son | At School | Pennsylvania |
| 75 | Irene L O'Neil | 11 | Daughter | At School | Pennsylvania |
| 76 | William L O'Neil | 18 | Son | — | Pennsylvania |
| 77 | Jeremiah J O'Neil | 12 | Son | Mill Laborer | Pennsylvania |
| 78 | Francis X O'Neil | 5 | Son | — | Pennsylvania |
| 79 | John Harris | 49 | Head | Laborer Mill | Wales |
| 80 | Martha Harris THIS PERSON | 46 | Wife | — | Wales |
| 81 | William Harris | 20 | Son | — | Wales |
| 82 | Arthur Harris | 18 | Son | Heater | Pennsylvania |
| 83 | May Harris | 15 | Daughter | — | Pennsylvania |
| 84 | Edith Harris | 11 | Daughter | At School | Pennsylvania |
| 85 | Samuel Harris | 8 | Son | — | Pennsylvania |
| 86 | William J Jones | 46 | Head | Engineer Mill | Wales |
| 87 | Margaret Jones | 46 | Wife | — | Wales |
| 88 | Charlotte A Jones | 18 | Daughter | — | Wales |
| 89 | Sarah E Jones | 16 | Daughter | — | Wales |
| 90 | David J Jones | 10 | Son | At School | Pennsylvania |
| 91 | Thomas J Jones | 16 | Nephew | — | Wales |
| 92 | Margaret E Jones | 12 | Neice | — | Wales |
| 93 | James Ferguson | 32 | Head | — | Ireland |
| 94 | Samuel D Ferguson | 18 | Son | Clerk | Pennsylvania |
| 95 | Ellen Hawke | 48 | Head | — | England |
| 96 | Harry A Hawke | 27 | Son | — | England |
| 97 | John T Hanas | 52 | Head | Sales Man | Germany |
| 98 | Catherine Hanas | 49 | Wife | — | Germany |
| 99 | Peter Hanas | 26 | Son | Mill Laborer | Pennsylvania |
| 100 | John Hanas | 19 | Son | Laborer Pipe Mill | Pennsylvania |
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)