MC
Mary Cochran — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Mary Cochran across the 1900, 1910 and 1920 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1862), then head of a 3-person household.
Age 38
b. ~1862
Female
Head
Born: Ireland
Widowed
1900 Census Record Details
| Census Year | 1900 |
| Location | Suffolk, Massachusetts |
| Surname | Cochran |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Birth Month | Dec |
| Birth Year | 1862 |
| Year of Immigration | 1889 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Washing & Ironing |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Washing & Ironing |
| Township / Ward | Boston Dorchester District |
| Est. Birth Year | ~1862 |
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.
3 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Cochran | Head | — | 38 | ~1862 |
| Andrew Cochran | Son | — | 10 | ~1890 |
| John Cochran | Son | — | 18 | ~1882 |
Census Appearances
1900
Suffolk, Massachusetts
Head, age 38
Suffolk, Massachusetts · implied b. ~1862 — 3 household members
| Surname | Cochran |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Birth Month | Dec |
| Birth Year | 1862 |
| Year of Immigration | 1889 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Washing & Ironing |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Suffolk, Massachusetts
Spouse, age 44
Suffolk, Massachusetts · implied b. ~1866 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cochran |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 22 |
| Children Born | 9 |
| Children Living | 8 |
| Year of Immigration | 1890 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Suffolk, Massachusetts
Spouse, age 55
Suffolk, Massachusetts · implied b. ~1865 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cochran |
| Given Name | Mary C. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1886 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1892 |
| Birthplace (normalized) | ireland |
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 Mary Cochran across 3 US Census years (1900, 1910 and 1920) in Suffolk, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
Mary Cochran
Head · 1900 · age 38 · b. ~1862 · Massachusetts
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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 — Suffolk, Massachusetts
Open full size
1900 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu686unit:0029)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leverett Barnes | 7 | Son | — | Massachusetts |
| 2 | William Thomas | 39 | Head | Night Watchman | Ireland |
| 3 | Kate Thomas | 39 | Wife | — | Canada French |
| 4 | Mary Thomas | 15 | Daughter | At School | Ireland |
| 5 | William Thomas | 8 | Son | At School | Massachusetts |
| 6 | Caroline Thomas | 6 | Daughter | At School | Canada French |
| 7 | James Thomas | 4 | Son | — | Massachusetts |
| 8 | John Thomas | 2 | Son | — | Massachusetts |
| 9 | Catherine Mclaughlin | 21 | Niece | Clerk In Paper Store | Ireland |
| 10 | Mary Cochran THIS PERSON | 37 | Head | Washing & Ironing | Ireland |
| 11 | John Cochran | 17 | Son | Invalid | Massachusetts |
| 12 | Andrew Cochran | 9 | Son | — | Massachusetts |
| 13 | Frank J. Baker | 27 | Head | Printer | Massachusetts |
| 14 | Katherine Baker | 26 | Wife | — | Canada English |
| 15 | Katherine Baker | 4 | Daughter | — | Massachusetts |
| 16 | John Baker | 1 | Son | — | Massachusetts |
| 17 | Herbert Lavelle | 29 | Head | Steel Engraver | New York |
| 18 | Dora Lavelle | 27 | Wife | — | New York |
| 19 | Samuel Lavelle | 5 | Son | — | Massachusetts |
| 20 | George H. Naly | 28 | Boarder | Clerk (Grocery) | New York |
| 21 | Patrick Cotter | 35 | Head | Stable-Man | Ireland |
| 22 | Mary Cotter | 30 | Wife | — | Ireland |
| 23 | Maggie Cotter | 6 | Daughter | At School | Massachusetts |
| 24 | John Cotter | 4 | Son | — | Massachusetts |
| 25 | Thomas Cotter | 1 | Son | — | Massachusetts |
| 26 | Mary Connerton | 50 | Head | Day Work | Ireland |
| 27 | Eugene M. Connerton | 23 | Son | Machinist | Massachusetts |
| 28 | Annie B. Stebbins | 52 | Head | Washing & Ironing | Massachusetts |
| 29 | Eda Stebbins | 22 | Daughter | Seamstress | Massachusetts |
| 30 | Emma Stebbins | 20 | Daughter | House Servant | Massachusetts |
| 31 | Frank C. Mooney | 26 | Son | Teamster | Massachusetts |
| 32 | Thomas W. Donavon | 44 | Head | Teamster | Massachusetts |
| 33 | Julia F. Donavon | 45 | Wife | — | Massachusetts |
| 34 | Mary Donavon | 22 | Daughter | Saleswoman Dry Goods | Massachusetts |
| 35 | James Donavon | 20 | Son | Printing Apprentice | Massachusetts |
| 36 | Josephine Donavon | 11 | Daughter | At School | Massachusetts |
| 37 | Lillian Donavon | 7 | Daughter | At School | Massachusetts |
| 38 | Alice Donavon | 5 | Daughter | — | Massachusetts |
| 39 | James Mcsweeney | 64 | Father-in-law | Grocery Clerk | Ireland |
| 40 | James M. Kennedy | 40 | Head | Printer Compositor | Massachusetts |
| 41 | Ellen Kennedy | 37 | Wife | — | Massachusetts |
| 42 | Adelaide Kennedy | 11 | Daughter | At School | Massachusetts |
| 43 | Florence Kennedy | 9 | Daughter | At School | Massachusetts |
| 44 | Frances Kennedy | 6 | Daughter | At School | Massachusetts |
| 45 | Mary Kennedy | 5 | Daughter | — | Massachusetts |
| 46 | Edwin G. Kennedy | 2 | Son | — | Massachusetts |
| 47 | Michael J. Magner | 47 | Head | Courier | Ireland |
| 48 | Ellen Magner | 44 | Wife | — | Vermont |
| 49 | Ellen Magner | 23 | Daughter | — | Massachusetts |
| 50 | Mary Magner | 21 | Daughter | Candy Maker | Massachusetts |
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)