BH
Bertha Harris — 1920 US Census Record
Model Tree available1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Bertha Harris across the 1920, 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Costas & Mcdonald — first a daughter (b.~1916), then head of a 4-person household.
Age 4
b. ~1916
Female
Daughter
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Harris |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Barbados |
| Mother's Birthplace | Barbados |
| Additional Details | |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1916 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Mcdonald Harris | Head | — | 28 | ~1892 |
| Luisa Harris | Spouse | — | 28 | ~1892 |
| Bertha Harris | Daughter | — | 4 | ~1916 |
| Madison Harris | Son | — | 5 | ~1915 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 4
Middlesex, Massachusetts · implied b. ~1916 — 4 household members
| Surname | Harris |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Barbados |
| Mother's Birthplace | Barbados |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 15
Middlesex, Massachusetts · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Beatrice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | No. Carolina |
| Mother's Birthplace | No. Carolina |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 26
Middlesex-County, Massachusetts · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Blanche |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lowell City |
| 1935 Residence (County) | Middlesex |
| Occupation | Seamstress |
| Industry | Sewing project |
| Class of Worker | GW |
| Hours Worked | 30 |
| Income (1939) | 600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 Bertha Harris across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Costas Harris (~0.92 confidence) and father Mcdonald Harris (~0.92 confidence) and father Wesley Harris (~0.92 confidence) and mother Luisa Harris (~0.92 confidence) and mother Mary Harris (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Costas Harris
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Mcdonald Harris
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Wesley Harris
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Luisa Harris
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Mary Harris
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Bertha Harris
Daughter · 1920 · age 4 · b. ~1916 · Massachusetts
★ You are viewing this record
Sibling
Madison Harris
Sibling · 1920 · age 5
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
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:0947)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Antoinette Nannery | 2 | Daughter | None | Massachusetts |
| 2 | Angelo Pilligrino | 42 | Head | Barber | Italy |
| 3 | Maggie Pilligrino | 39 | Wife | None | Italy |
| 4 | Philip Pilligrino | 7 | Son | None | Massachusetts |
| 5 | Joseph Pilligrino | 5 | Son | None | Massachusetts |
| 6 | Tony Pilligrino | 2 | Son | None | Massachusetts |
| 7 | Annie Pilligrino | 0 | Daughter | None | Massachusetts |
| 8 | George Wilson | 35 | Head | Driver | England |
| 9 | Catherine Wilson | 36 | Wife | None | Ireland |
| 10 | Laura Wilson | 11 | Daughter | None | Massachusetts |
| 11 | Wilbur Wilson | 8 | Son | None | Massachusetts |
| 12 | Paul Wilson | 3 | Son | None | Massachusetts |
| 13 | Marion Wilson | 0 | Daughter | None | Massachusetts |
| 14 | Mary James | 69 | Head | None | Massachusetts |
| 15 | Joseph Ince | 49 | Head | Sandman | Barbados |
| 16 | Rosalie Ince | 43 | Wife | None | Barbados |
| 17 | May Ince | 8 | Son | None | Massachusetts |
| 18 | Ruth Ince | 4 | Daughter | None | Massachusetts |
| 19 | Mcdonald Harris | 28 | Head | Shipper | Barbados |
| 20 | Luisa Harris | 28 | Wife | None | Barbados |
| 21 | Madison Harris | 5 | Son | None | Massachusetts |
| 22 | Bertha Harris THIS PERSON | 4 | Daughter | None | Massachusetts |
| 23 | Egmont Whitaker | 36 | Head | Shipping Clerk | Barbados |
| 24 | Cleopatra Whitaker | 26 | Wife | None | Barbados |
| 25 | Sinclair Corbin | 27 | Head | Porter | Barbados |
| 26 | Eva Corbin | 29 | Wife | None | Barbados |
| 27 | Woodrow Corbin | 2 | Son | None | Massachusetts |
| 28 | Beresford Corbin | 0 | Son | None | Massachusetts |
| 29 | Henry Brathwaite | 39 | Head | Molder | Barbados |
| 30 | Louise Brathwaite | 32 | Wife | None | Barbados |
| 31 | John Traverse | 32 | Head | Electrician | Gibraltar |
| 32 | Mabel Traverse | 28 | Wife | None | Massachusetts |
| 33 | Lucile Traverse | 9 | Daughter | None | Massachusetts |
| 34 | Nora L. Brewer | 53 | Head | None | Massachusetts |
| 35 | Joseph Brewer | 28 | Son | Salesman | Massachusetts |
| 36 | William Brewer | 25 | Son | Stock Clerk | Massachusetts |
| 37 | Leonard Brewer | 21 | Son | Salesman | Massachusetts |
| 38 | Charles Brewer | 12 | Son | None | Massachusetts |
| 39 | Frederick Anderson | 52 | Head | Trucker | Sweden |
| 40 | Hulda Anderson | 48 | Wife | None | Sweden |
| 41 | Oscar Anderson | 30 | Son | Driver | Massachusetts |
| 42 | Carl Anderson | 20 | Son | Driver | Massachusetts |
| 43 | Alfred Anderson | 18 | Son | Salesman | Massachusetts |
| 44 | Robert Anderson | 10 | Son | None | Massachusetts |
| 45 | Charles Smith | 65 | Head | Electrician | Massachusetts |
| 46 | Mary Smith | 56 | Wife | None | Virginia |
| 47 | Richard Mount | 66 | Head | None | Ireland |
| 48 | Philip Sexton | 51 | Head | Binder | Ireland |
| 49 | Mary Sexton | 50 | Wife | None | Ireland |
| 50 | John Sexton | 23 | Son | Teacher | Massachusetts |
Pedigree Summary
Bertha + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)