JB
John Baird — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Baird across the 1910, 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1861), then head of a 5-person household.
Age 79
b. ~1861
Male
Head
Born: New Hampshire
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Baird |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 79 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Township / Ward | Boston City |
| Est. Birth Year | ~1861 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Baird | Head | — | 79 | ~1861 |
| Lawrence Baird | Son | — | 22 | ~1918 |
| Robert Baird | Son | — | 14 | ~1926 |
| Ruth Baird | Daughter | — | 20 | ~1920 |
| Josephine Baird | Spouse | — | 53 | ~1887 |
Census Appearances
1910
Suffolk, Massachusetts
Head, age 49
Suffolk, Massachusetts · implied b. ~1861 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baird |
| Given Name | John G |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Years Married | 20 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Vermont |
| Occupation | Prop manufacturer |
| Industry | Own factory |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1920
Suffolk, Massachusetts
Head, age 59
Suffolk, Massachusetts · implied b. ~1861 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baird |
| Given Name | John J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Father's Birthplace | Maine |
| Mother's Birthplace | Vermont |
| Occupation | Paper Cutter |
| Industry | Box Factory |
| Class of Worker | W |
| 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
Suffolk, Massachusetts
Head, age 69
Suffolk, Massachusetts · implied b. ~1861 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baird |
| Given Name | John J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Vermont |
| Occupation | Paper Box Maker |
| Industry | Box Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 28 |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Suffolk-County, Massachusetts
Head, age 79
Suffolk-County, Massachusetts · implied b. ~1861 — 5 household members
| Surname | Baird |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 79 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| 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 John Baird across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Baird
Head · 1940 · age 79 · b. ~1861 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01676-00841)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Murphy | 58 | Wife | — | Eire |
| 2 | William Murphy | 55 | Head | Janitor | Eire |
| 3 | Catherine Murphy | 55 | Wife | — | Eire |
| 4 | Rita Murphy | 21 | Daughter | Clerical | Mass |
| 5 | Mildred Murphy | 19 | Daughter | Clerical | Mass |
| 6 | Jessie Rebello | 78 | Head | — | Portugal |
| 7 | Mary Rebello | 69 | Wife | — | Portugal |
| 8 | Theresa Rebello | 45 | Daughter | Clerical | Mass |
| 9 | Arthur Sylva | 28 | Son-in-law | Truck Driver | Mass |
| 10 | Elizabeth Sylva | 28 | Daughter | — | Mass |
| 11 | Natalie Sylva | 5 | Granddaughter | — | Mass |
| 12 | Louise Nigel | 46 | Head | — | Norway |
| 13 | Evelyn Nigel | 24 | Daughter | — | Mass |
| 14 | Richard Nigel | 11 | Son | — | Mass |
| 15 | Jennie Stewart | 47 | Head | Credit Authorizer | Mass |
| 16 | Benjamin Stewart | 24 | Son | Shipper | Mass |
| 17 | Alice C. Stewart | 20 | Daughter | Trimmer | Mass |
| 18 | John J. Baird THIS PERSON | 79 | Head | — | New Hampshire |
| 19 | Josephine Baird | 53 | Wife | — | Austria |
| 20 | Lawrence Baird | 22 | Son | Bell-Boy | Mass |
| 21 | Ruth L. Baird | 20 | Daughter | Clerical Worker | Mass |
| 22 | Robert J. Baird | 14 | Son | — | Mass |
| 23 | Antonio Riccelli | 54 | Head | Laborer | Italy |
| 24 | Mary Riccelli | 42 | Wife | — | Pennsylvania |
| 25 | Frederick Riccelli | 20 | Son | Dish Washer | Mass |
| 26 | Frances Riccelli | 17 | Daughter | — | Mass |
| 27 | Victoria Riccelli | 15 | Daughter | — | Mass |
| 28 | Theresa Riccelli | 10 | Daughter | — | Mass |
| 29 | Anthony Riccelli | 13 | Son | — | Mass |
| 30 | Rita Riccelli | 8 | Daughter | — | Mass |
| 31 | Alfred F. Deininger | 55 | Head | Bottle Washer | Mass |
| 32 | Ida L. Deininger | 44 | Wife | — | Mass |
| 33 | Alice M. Deininger | 10 | Daughter | — | Mass |
| 34 | John B. Kubuliz | 39 | Head | Frame-Maker | Lithuania |
| 35 | Sophie Kubuliz | 38 | Wife | — | Lithuania |
| 36 | Sophie L. Kubuliz | 14 | Daughter | — | Mass |
| 37 | Aubrey E. Masters | 53 | Head | Laborer | Mass |
| 38 | Blanche C. Masters | 38 | Wife | — | Mass |
| 39 | Aubrey Jr. Masters | 11 | Son | — | Mass |
| 40 | Pauline Masters | 6 | Daughter | — | Mass |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)