MJ
Margaret Johnston — 1910 US Census Record
Model Tree available1910 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Margaret Johnston across the 1910, 1920, 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents William & Elizabeth — first a daughter (b.~1907), then head of a 7-person household.
Age 3
b. ~1907
Female
Daughter
Born: Massachusetts
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | Middlesex, Massachusetts |
| Surname | Johnston |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1907 |
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 1910 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Alice Johnston | Daughter | — | 1 | ~1909 |
| James Johnston | Head | — | 27 | ~1883 |
| Andrew Dean | Other | — | 22 | ~1888 |
| Nathaniel Dean | Other | — | 27 | ~1883 |
| Mary Johnston | Spouse | — | 25 | ~1885 |
| Jessie Dean | Other | — | 18 | ~1892 |
| Margaret Johnston | Daughter | — | 3 | ~1907 |
Census Appearances
1910
Middlesex, Massachusetts
Daughter, age 3
Middlesex, Massachusetts · implied b. ~1907 — 7 household members
| Surname | Johnston |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Daughter, age 12
Middlesex, Massachusetts · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 23
Middlesex, Massachusetts · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Stenographer |
| Industry | Insurance Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 33
Middlesex-County, Massachusetts · implied b. ~1907 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Occupation | Stenographer |
| Industry | Insurance Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Margaret Johnston across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Johnston (~0.92 confidence) and mother Elizabeth Johnston (~0.92 confidence) and father James Johnston (~0.92 confidence) and mother Mary Johnston (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Johnston
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Johnston
b. ~1869
Source mother
● Household
· direct · ~0.92
Father
James Johnston
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Mary Johnston
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Johnston
Daughter · 1910 · age 3 · b. ~1907 · Massachusetts
★ You are viewing this record
Sibling
Alice Johnston
Sibling · 1910 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1910 US Federal Census — Middlesex, Massachusetts
Open full size
1910 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po605unit:0018)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | — | 10 | — | — | Massachusetts |
| 52 | Elizabeth | 8 | Daughter | — | Massachusetts |
| 53 | Mary | 5 | Daughter | — | Massachusetts |
| 54 | James | 4 | Son | — | Massachusetts |
| 55 | Daniel | 2 | Son | — | Massachusetts |
| 56 | Richard J. Cook | 53 | Head | Signal | New Brunswick |
| 57 | Jane Cook | 40 | Wife | — | Nova Scotia |
| 58 | Mabel W. Cook | 16 | Daughter | — | Massachusetts |
| 59 | Arthur L. Cook | 12 | Son | — | Massachusetts |
| 60 | Edward Cook | 10 | Son | — | Massachusetts |
| 61 | Gertrude Cook | 8 | Daughter | — | Massachusetts |
| 62 | — | 45 | — | — | Massachusetts |
| 63 | — | 42 | — | — | Massachusetts |
| 64 | — | 18 | — | — | Massachusetts |
| 65 | — | 16 | — | — | Massachusetts |
| 66 | — | 15 | — | — | Massachusetts |
| 67 | — | 13 | — | — | Massachusetts |
| 68 | — | 45 | — | — | Massachusetts |
| 69 | James E. Mason | 50 | Head | Clerk | Massachusetts |
| 70 | Catherine F. Mason | 44 | Wife | — | Massachusetts |
| 71 | John B. Mason | 24 | Son | Manager | Massachusetts |
| 72 | James L. Mason | 23 | Son | Clerk | Massachusetts |
| 73 | Edward J. Mason | 19 | Son | Clerk | Massachusetts |
| 74 | Alice M. Mason | 15 | Daughter | — | Massachusetts |
| 75 | Catherine F. Mason | 13 | Daughter | — | Massachusetts |
| 76 | James Johnston | 27 | Head | Tester | Scotland |
| 77 | Mary Johnston | 25 | Wife | — | Scotland |
| 78 | Margaret Johnston THIS PERSON | 3 | Daughter | — | Massachusetts |
| 79 | Alice N. Johnston | 1 | Daughter | — | Massachusetts |
| 80 | Nathaniel Dean | 27 | Brother-in-law | Painter | Scotland |
| 81 | Andrew Dean | 22 | Brother-in-law | Carpenter | Scotland |
| 82 | Jessie C. Dean | 18 | Sister-in-law | Clerk | Scotland |
| 83 | Daniel J. Burd | 60 | Head | Blacksmith | New Brunswick |
| 84 | Sarah Burd | 50 | Wife | — | New Brunswick |
| 85 | Mabel B. Burd | 21 | Daughter | Brush Maker | New Brunswick |
| 86 | Sarah J. Burd | 19 | Daughter | Glove Shaper | New Brunswick |
| 87 | Eva A. Burd | 16 | Daughter | — | New Brunswick |
| 88 | Sarah H. Burd | 14 | Daughter | — | Massachusetts |
| 89 | Burd | 12 | — | — | Massachusetts |
| 90 | — | 40 | — | — | Massachusetts |
| 91 | — | 39 | — | — | Massachusetts |
| 92 | Willie F. Murch | 40 | Head | Clerk | Maine |
| 93 | Annie Murch | 39 | Wife | — | Maine |
| 94 | Edith M. Murch | 18 | Daughter | — | Massachusetts |
| 95 | Mildred Murch | 16 | Daughter | — | Massachusetts |
| 96 | Helen M. Murch | 14 | Daughter | — | Massachusetts |
| 97 | Gladys M. Murch | 12 | Daughter | — | Massachusetts |
| 98 | Alice G. Murch | 10 | Daughter | — | Massachusetts |
| 99 | — | 41 | — | — | Maine |
| 100 | — | 41 | — | — | Maine |
Related Census Records
Pedigree Summary
Margaret + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1910 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)