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Lawrence Martin — 1920 US Census Record
Model Tree available1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Lawrence Martin across the 1900, 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Albert & Howard — first a son (b.~1899), then head of a 7-person household.
Age 21
b. ~1899
Male
Son
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Martin |
| Given Name | Lawrence H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Clerk |
| Industry | Post Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Melrose City |
| Est. Birth Year | ~1899 |
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 1920 census.
| Name | Relation to head | Relative to Lawrence | Age | Birth yr |
|---|---|---|---|---|
| Ruth Martin | Daughter | — | 15 | ~1905 |
| Samuel Martin | Head | — | 44 | ~1876 |
| Donald Martin | Son | — | 12 | ~1908 |
| Lawrence Martin | Son | — | 21 | ~1899 |
| Grace Martin | Spouse | — | 44 | ~1876 |
| Helen Martin | Daughter | — | 23 | ~1897 |
| Alice Mcleod | Other | — | 25 | ~1895 |
Census Appearances
1900
Middlesex, Massachusetts
Son, age 2
Middlesex, Massachusetts · implied b. ~1898 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Lawrence S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Birth Month | Nov |
| Birth Year | 1898 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1910
Middlesex, Massachusetts
Son, age 12
Middlesex, Massachusetts · implied b. ~1898 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Lawrence B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 21
Middlesex, Massachusetts · implied b. ~1899 — 7 household members
| Surname | Martin |
| Given Name | Lawrence H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Clerk |
| Industry | Post Office |
| Class of Worker | W |
| 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 Lawrence Martin across 3 US Census years (1900, 1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father Albert Martin (~0.92 confidence) and father Howard Martin (~0.92 confidence) and father Samuel Martin (~0.92 confidence) and mother Grace Martin (~0.92 confidence) and mother Grace Martin (~0.92 confidence) and mother Grace Martin (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Martin
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Howard Martin
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Samuel Martin
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Grace Martin
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Grace Martin
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Grace Martin
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lawrence Martin
Son · 1920 · age 21 · b. ~1899 · Massachusetts
★ You are viewing this record
Sibling
Ruth Martin
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Martin
Sibling · 1920 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Martin
Sibling · 1920 · age 12
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:1920:14thcensusofpopu715unit:0647)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Kenneth M B.A. | 12 | Son | — | Massachusetts |
| 52 | Earl D B.A. | 6 | Son | — | Massachusetts |
| 53 | Charles Powers | 74 | Head | Cutter | Massachusetts |
| 54 | Mary J Maxwell | 75 | Housekeeper | Housekeeper | Canada |
| 55 | John H Low | 57 | Head | Clerk | New Hampshire |
| 56 | Edith G Low | 46 | Wife | — | Illinois |
| 57 | Lily M Low | 23 | Daughter | Nurse | Massachusetts |
| 58 | Charles H Dillaway | 73 | Head | Treasurer | Massachusetts |
| 59 | Genevieve Dillaway | 62 | Wife | — | Massachusetts |
| 60 | Lillian G Dillaway | 31 | Daughter | — | Massachusetts |
| 61 | Charles D Laing | 69 | Head | President | New Hampshire |
| 62 | Mary E Laing | 63 | Wife | — | Massachusetts |
| 63 | Beatrice M Laing | 31 | Daughter | — | Massachusetts |
| 64 | Margaret Mcginley | 41 | Maid | Maid | Ireland |
| 65 | Samuel H Martin | 44 | Head | Banker | Massachusetts |
| 66 | Grace H Martin | 44 | Wife | — | Massachusetts |
| 67 | Helen S Martin | 23 | Daughter | — | Massachusetts |
| 68 | Lawrence H Martin THIS PERSON | 21 | Son | Clerk | Massachusetts |
| 69 | Ruth S Martin | 15 | Daughter | — | Massachusetts |
| 70 | Donald M Martin | 12 | Son | — | Massachusetts |
| 71 | Alice E Mcleod | 25 | Maid | Maid | Canada |
| 72 | Conrad Henderson | 61 | Head | — | Massachusetts |
| 73 | Maud B Henderson | 17 | Daughter | Teacher | Massachusetts |
| 74 | Helen G Collins | 71 | Head | — | New Hampshire |
| 75 | Ada A Collins | 69 | Sister | — | New Hampshire |
| 76 | Henry S Row | 58 | Head | Importer | Maine |
| 77 | Bertha C Row | 56 | Wife | — | Maine |
| 78 | Henry W Horton | 52 | Head | Accountant | Massachusetts |
| 79 | Lois M Horton | 50 | Wife | — | Massachusetts |
| 80 | Frederick H Turner | 46 | Head | Merchant | Massachusetts |
| 81 | Bertha S Turner | 46 | Wife | — | Massachusetts |
| 82 | Daniel H Coligan | 40 | Head | Teamster | Massachusetts |
| 83 | Lois S Coligan | 35 | Wife | — | Massachusetts |
| 84 | Lawrence H Coligan | 10 | Son | — | Massachusetts |
| 85 | Daniel Coligan | 5 | Son | — | Massachusetts |
| 86 | Lois Coligan | 3 | Daughter | — | Massachusetts |
| 87 | Rita M Coligan | 1 | Daughter | — | Massachusetts |
| 88 | Herbert S Lunt | 52 | Head | Broker | New Hampshire |
| 89 | Stella F Lunt | 52 | Wife | — | Massachusetts |
| 90 | Herbert C Lunt | 15 | Son | — | New Hampshire |
| 91 | Donald H Lunt | 14 | Son | — | New Hampshire |
| 92 | Douglas S Lunt | 12 | Son | — | New Hampshire |
| 93 | Frank A Burgess | 54 | Head | Cashier | Massachusetts |
| 94 | Bertha M Burgess | 52 | Wife | — | Massachusetts |
| 95 | Robert H Burgess | 27 | Son | — | Massachusetts |
| 96 | Francis W Blatchford | 55 | Head | Sales Manager | Massachusetts |
| 97 | Lizzie A Blatchford | 53 | Wife | — | Massachusetts |
| 98 | Harold N Blatchford | 27 | Son | — | Massachusetts |
| 99 | Dorothy M Blatchford | 25 | Daughter | — | Massachusetts |
| 100 | Richard B Blatchford | 15 | Son | — | Massachusetts |
Pedigree Summary
Lawrence + 3 siblings
Gen 1 · 6 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)