MN
Mary Nelson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Nelson across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1865), then head of a 3-person household.
Age 55
b. ~1865
Female
Head
Born: New Hampshire
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Nelson |
| Given Name | Mary E |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Widowed |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1865 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mildred Nelson | Daughter | — | 27 | ~1893 |
| Mary Nelson | Head | — | 55 | ~1865 |
| Elveretta Kellum | Other | — | 63 | ~1857 |
Census Appearances
1910
Norfolk, Massachusetts
Head, age 45
Norfolk, Massachusetts · implied b. ~1865 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Mary E |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Widowed |
| Birthplace | New Hampshire |
| Children Born | 2 |
| Children Living | 1 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Own Income |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1920
Middlesex, Massachusetts
Head, age 55
Middlesex, Massachusetts · implied b. ~1865 — 3 household members
| Surname | Nelson |
| Given Name | Mary E |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Widowed |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Middlesex, Massachusetts
Other, age 61
Middlesex, Massachusetts · implied b. ~1869 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | May |
| Relationship to Head | Servant |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Servant |
| Industry | Private family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 Nelson across 3 US Census years (1910, 1920 and 1930) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Nelson
Head · 1920 · age 55 · b. ~1865 · 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 — Middlesex, Massachusetts
Open full size
1920 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu707unit:1045)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Nicholas T Nelson | 61 | Head | Janitor | Norway |
| 52 | Agnes Nelson | 65 | Wife | — | Scotland |
| 53 | Theodora Lundgren | 23 | Daughter | — | Massachusetts |
| 54 | Abraham Deenborg | 24 | Head | Cabinet Maker | Massachusetts |
| 55 | May Deenborg | 24 | Wife | — | Massachusetts |
| 56 | Barbara Deenborg | 1 | Daughter | — | Massachusetts |
| 57 | Mary E Nelson THIS PERSON | 55 | Head | — | New Hampshire |
| 58 | Mildred Nelson | 27 | Daughter | Stenographer | Massachusetts |
| 59 | Elveretta Kellum | 63 | Sister | Dressmaker | New Hampshire |
| 60 | Herbert A Rice | 35 | Head | Optometrist | Massachusetts |
| 61 | Olive I Rice | 34 | Wife | — | Massachusetts |
| 62 | John R Salter | 21 | Head | Inspector | Massachusetts |
| 63 | Lucia C Salter | 22 | Wife | — | Maine |
| 64 | Harry R Safell | 28 | Head | Manager | Massachusetts |
| 65 | Ruth F Safell | 25 | Wife | — | New York |
| 66 | Arthur W Hife | 38 | Head | Salesman | Massachusetts |
| 67 | Minnie V Hife | 38 | Wife | — | Pennsylvania |
| 68 | Malcolm P Mcnair | 25 | Head | Teacher | New York |
| 69 | Mary L Mcnair | 26 | Wife | — | Massachusetts |
| 70 | Malcolm Mcnair | 1 | Son | — | Massachusetts |
| 71 | Ernest T Cross | 43 | Head | Pump Man | Massachusetts |
| 72 | Martha E Cross | 50 | Sister | Book Keeper | Massachusetts |
| 73 | Ramsay D Potter | 66 | Head | Physician | Texas |
| 74 | Lillie G Potter | 59 | Wife | — | Texas |
| 75 | Earl R Boyce | 31 | Head | Sales Manager | Vermont |
| 76 | Susan Boyce | 32 | Wife | — | Canada |
| 77 | Clarence Boyce | 10 | Son | — | Canada |
| 78 | Richard Phillrick | 25 | Head | Salesman | Massachusetts |
| 79 | Mildred R Phillrick | 25 | Wife | — | Massachusetts |
| 80 | Ross W Burrows | 50 | Head | Collector | Massachusetts |
| 81 | Harold W Burrows | 21 | Son | Salesman | Massachusetts |
| 82 | Helen M Burrows | 25 | Daughter | Demonstrator | Massachusetts |
| 83 | William Overman | 27 | Head | Electrician | Virginia |
| 84 | Ruth E Overman | 24 | Wife | — | New York |
| 85 | Vernon Johnson | 25 | Head | Salesman | Massachusetts |
| 86 | Ruth H Johnson | 21 | Wife | — | Massachusetts |
| 87 | Ralph Emerson | 25 | Head | Cost Clerk | Massachusetts |
| 88 | Clara R Emerson | 24 | Wife | Stenographer | Massachusetts |
| 89 | John P Flanders | 27 | Head | Salesman | Massachusetts |
| 90 | Irene M Flanders | 25 | Wife | — | Massachusetts |
| 91 | Charles H Taft | 63 | Head | Dentist | Massachusetts |
| 92 | Emily H Taft | 65 | Wife | — | Maryland |
| 93 | Roger M Haynes | 30 | Head | Book Keeper | Massachusetts |
| 94 | Mabel Haynes | 34 | Wife | Teacher | Massachusetts |
| 95 | Ralph B Cochran | 35 | Head | Accountant | Delaware |
| 96 | Helen B Cochran | 22 | Wife | — | Massachusetts |
| 97 | Clifton Chandler | 27 | Head | Agent | Massachusetts |
| 98 | Harry George | 37 | Lodger | Salesman | New Hampshire |
| 99 | Henry George | 33 | Lodger | Salesman | Maine |
| 100 | Michael George | 28 | Lodger | Ticket Office | Pennsylvania |
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)