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Mary Blackburn — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Essex, Massachusetts
Our Model Tree links this Mary Blackburn across the 1920, 1930 and 1940 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1880), then head of a 7-person household.
Age 40
b. ~1880
Female
Spouse
Born: England
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Essex, Massachusetts |
| Surname | Blackburn |
| Given Name | Mary W |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1906 |
| Naturalization Status | Alien |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
| Township / Ward | Methuen City |
| Est. Birth Year | ~1880 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| George Blackburn | Son | — | 15 | ~1905 |
| Florence Blackburn | Daughter | — | 1 | ~1919 |
| Bessie Blackburn | Daughter | — | 9 | ~1911 |
| John Leahy | Other | — | 17 | ~1903 |
| Mary Blackburn | Spouse | — | 40 | ~1880 |
| Archie Blackburn | Head | — | 41 | ~1879 |
| Lillian Blackburn | Daughter | — | 6 | ~1914 |
Census Appearances
1920
Essex, Massachusetts
Spouse, age 40
Essex, Massachusetts · implied b. ~1880 — 7 household members
| Surname | Blackburn |
| Given Name | Mary W |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1906 |
| Naturalization Status | Alien |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1930
Essex, Massachusetts
Other, age 52
Essex, Massachusetts · implied b. ~1878 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blackburn |
| Given Name | Margaret |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1905 |
| Age at First Marriage | 26 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Essex-County, Massachusetts
Spouse, age 63
Essex-County, Massachusetts · implied b. ~1877 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blackburn |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Methuen Town |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Class of Worker | 200 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Blackburn across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Blackburn
Spouse · 1920 · age 40 · b. ~1880 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Essex, Massachusetts
Open full size
1920 US Federal Census — Essex, Massachusetts
Page Contents
49 people indexed on this census page (ia:1920:14thcensusofpopu689unit:1063)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary Higgins | 55 | Wife | — | England |
| 52 | Emily Higgins | 27 | Daughter | Sorter | England |
| 53 | John Higgins | 20 | Son | Weaver | England |
| 54 | Elsie Higgins | 18 | Daughter | Mender | England |
| 55 | Archie Blackburn | 41 | Head | Second Hand | England |
| 56 | Mary W Blackburn THIS PERSON | 40 | Wife | — | England |
| 57 | John Leahy | 17 | Step-son | Shipping Clerk | England |
| 58 | George Blackburn | 15 | Son | Idler Boy | England |
| 59 | Bessie Blackburn | 9 | Daughter | — | Massachusetts |
| 60 | Lillian Blackburn | 6 | Daughter | — | Massachusetts |
| 61 | Florence Blackburn | 1 | Daughter | — | Massachusetts |
| 62 | Katherine Ruall | 52 | Head | — | Massachusetts |
| 63 | James H Ruall | 20 | Son | Laborer | Massachusetts |
| 64 | Frances Ruall | 18 | Daughter | Quiller | Massachusetts |
| 65 | Dennis Dewan | 31 | Son-in-law | Mason Stone | Massachusetts |
| 66 | Ruth Dewan | 26 | Daughter | — | Massachusetts |
| 67 | Annie Hamilton | 38 | Head | Winder | England |
| 68 | Eileen Hamilton | 10 | Daughter | — | Massachusetts |
| 69 | Thomas P Hamilton | 8 | Son | — | Massachusetts |
| 70 | Susie Caine | 43 | Sister | — | England |
| 71 | John J Dolan | 50 | Head | Manufacturer | Ireland |
| 72 | Annie Dolan | 40 | Wife | — | England |
| 73 | Marie Dolan | 18 | Daughter | Examiner | Massachusetts |
| 74 | Augustine Dolan | 15 | Son | Office Boy | Massachusetts |
| 75 | Rita Dolan | 13 | Daughter | — | Massachusetts |
| 76 | William Jackson | 52 | Head | Machinist | England |
| 77 | Violet Jackson | 52 | Wife | — | England |
| 78 | Dorothea Jackson | 15 | Daughter | Mender | Africa |
| 79 | Harold W Jackson | 13 | Son | — | Africa |
| 80 | John D Dewhurst | 54 | Head | Percher | England |
| 81 | Mary A Dewhurst | 57 | Wife | — | England |
| 82 | Martha Dewhurst | 19 | Daughter | Mender | Massachusetts |
| 83 | Robert Dewhurst | 20 | Son | Machinist | Massachusetts |
| 84 | Benjamin Dewhurst | 16 | Son | Apprentice | Massachusetts |
| 85 | William Bernard | 28 | Head | Winder | Massachusetts |
| 86 | Mary J Bernard | 26 | Wife | Drawer-In | Maine |
| 87 | Howard Bernard | 5 | Son | — | Massachusetts |
| 88 | Annette Bernard | 3 | Daughter | — | Massachusetts |
| 89 | Venerant Belanger | 65 | Boarder | — | Canada |
| 90 | Delia Belanger | 24 | Sister-in-law | Mender | Maine |
| 91 | Ruth Buckley | 44 | Head | Weaver | England |
| 92 | Doris Buckley | 23 | Daughter | Mender | England |
| 93 | Emma Buckley | 71 | Mother-in-law | — | England |
| 94 | Barnett Kligerman | 45 | Head | Weaver | Russia |
| 95 | Dora Kligerman | 43 | Wife | — | Russia |
| 96 | Bessie Kligerman | 15 | Daughter | Clerk | Massachusetts |
| 97 | Arthur Kligerman | 3 | Son | — | Massachusetts |
| 98 | James Mclean | 41 | Head | Laborer | England |
| 99 | Sarah Mclean | 39 | Wife | — | England |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)