RB
Robert Boyd — 1920 US Census Record
Model Tree available1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Robert Boyd across the 1900, 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a son (b.~1900), then head of a 6-person household.
Age 20
b. ~1900
Male
Son
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Boyd |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1900 |
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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Charles Boyd | Head | — | 64 | ~1856 |
| Helen Mccarthy | Other | — | 49 | ~1871 |
| Robert Boyd | Son | — | 20 | ~1900 |
| Charles Boyd | Son | — | 22 | ~1898 |
| Walter Boyd | Son | — | 36 | ~1884 |
| Louise Boyd | Spouse | — | 56 | ~1864 |
Census Appearances
1900
Middlesex, Massachusetts
Son, age 1
Middlesex, Massachusetts · implied b. ~1899 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyd |
| Given Name | Robert B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Birth Month | Sept |
| Birth Year | 1899 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1910
Middlesex, Massachusetts
Son, age 10
Middlesex, Massachusetts · implied b. ~1900 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyd |
| Given Name | Robert B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 20
Middlesex, Massachusetts · implied b. ~1900 — 6 household members
| Surname | Boyd |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Robert Boyd across 3 US Census years (1900, 1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father Charles Boyd (~0.92 confidence) and father Charles Boyd (~0.92 confidence) and mother Louisa Boyd (~0.92 confidence) and mother Louise Boyd (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Boyd
b. ~1851
Source father
● Household
· direct · ~0.92
Father
Charles Boyd
b. ~1855
Source father
● Household
· direct · ~0.92
Mother
Louisa Boyd
b. ~1859
Source mother
● Household
· direct · ~0.92
Mother
Louise Boyd
b. ~1864
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Boyd
Son · 1920 · age 20 · b. ~1900 · Massachusetts
★ You are viewing this record
Sibling
Charles Boyd
Sibling · 1920 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Boyd
Sibling · 1920 · age 36
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:1920:14thcensusofpopu708unit:0548)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles O'Brien | 31 | Son | Salesman | Massachusetts |
| 2 | Richard O'Brien | 24 | Son | Driver | Massachusetts |
| 3 | Joseph O'Brien | 26 | Son | Mechanic | Massachusetts |
| 4 | William O'Brien | 50 | Brother-in-law | Foreman | Massachusetts |
| 5 | Fred Galvin | 26 | Nephew | Assistant | Massachusetts |
| 6 | William Stacey | 54 | Head | Water Inspector | Massachusetts |
| 7 | Mary Stacey | 52 | Wife | — | Massachusetts |
| 8 | Charles Stacey | 24 | Son | — | Massachusetts |
| 9 | Fred Stacey | 19 | Son | Clerk | Massachusetts |
| 10 | William Galvin | 45 | Head | Foreman | Massachusetts |
| 11 | Nellie Galvin | 43 | Wife | — | Ireland |
| 12 | Grace Galvin | 14 | Daughter | — | Massachusetts |
| 13 | John Holmes | 43 | Lodger | Fireman | Massachusetts |
| 14 | Delia Egan | 50 | Head | Housework | Massachusetts |
| 15 | Ann Hamilton | 90 | Head | — | Massachusetts |
| 16 | Annie Hamilton | 71 | Daughter | — | Massachusetts |
| 17 | Helen Houtman | 69 | Servant | Housekeeper | Connecticut |
| 18 | James Ishinghart | 65 | Head | — | New York |
| 19 | Anna Ishinghart | 47 | Wife | — | New York |
| 20 | Ruth Ishinghart | 24 | Daughter | Teacher | New York |
| 21 | James Ishinghart | 19 | Son | — | Pennsylvania |
| 22 | Bertha Frank | 50 | Servant | Servant | Barbados |
| 23 | Margaret Reynolds | 56 | Head | — | England |
| 24 | James Reynolds | 32 | Son | Salesman | Massachusetts |
| 25 | Katherine Reynolds | 29 | Daughter | Saleslady | Massachusetts |
| 26 | Margaret Reynolds | 25 | Daughter | Operator | Massachusetts |
| 27 | William Harty | 32 | Head | Foreman | Massachusetts |
| 28 | Geneva Harty | 25 | Wife | — | Massachusetts |
| 29 | William Harty | 3 | Son | — | Massachusetts |
| 30 | Priscilla Harty | 1 | Daughter | — | Massachusetts |
| 31 | Ferdinand Harty | 70 | Father | — | Germany |
| 32 | Katherine Harty | 50 | Mother | — | Germany |
| 33 | Carl Harty | 52 | Brother | Baker | Germany |
| 34 | John Mcbeale | 51 | Head | Clerk | Massachusetts |
| 35 | Annie Mcbeale | 47 | Wife | — | Ireland |
| 36 | Annie Mcbeale | 29 | Daughter | Dressmaker | Massachusetts |
| 37 | Gertrude Mcbeale | 26 | Daughter | Tel. Operator | Massachusetts |
| 38 | John Mcbeale | 25 | Son | Asst Manager | Massachusetts |
| 39 | Charles Mcbeale | 22 | Son | Clerk | Massachusetts |
| 40 | Malcolm Mcbeale | 16 | Son | — | Massachusetts |
| 41 | Raymond Mcbeale | 14 | Son | — | Massachusetts |
| 42 | Lucille Mcbeale | 23 | Daughter | Clerk | Massachusetts |
| 43 | Charles Boyd | 64 | Head | Director | Massachusetts |
| 44 | Louise Boyd | 56 | Wife | — | Massachusetts |
| 45 | Walter Boyd | 36 | Son | Banker | Massachusetts |
| 46 | Charles Boyd | 22 | Son | — | Massachusetts |
| 47 | Robert Boyd THIS PERSON | 20 | Son | — | Massachusetts |
| 48 | Helen Mccarthy | 49 | Servant | Servant | Massachusetts |
| 49 | Joseph Tallman | 63 | Head | — | Massachusetts |
| 50 | Helena Tallman | 56 | Wife | — | Massachusetts |
Related Census Records
Pedigree Summary
Robert + 2 siblings
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 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)