Census boundary evidence
St. Joachim de la Pointe Claire — 1921 census geography (QC)
This page identifies a census boundary representation. Source-table records below retain their own reporting-unit identity and geographic qualifications.
- Map snapshot identifier
- QC076009_1921
- Source boundary identifier
- QC076009
- Census vintage
- 1921
- Source label
- St. Joachim de la Pointe Claire
- Province code
- QC
- District label
- Montréal & Jésus Islands—Iles
- Level
- csd
- Representation class
- E93_Presence
Census continuity group: St. Joachim de la Pointe Claire
TCP UID: QC076009
Census source records
Each link states the assessment that connected the source row to this map. Name candidates remain candidates; no source statistic is silently assigned to the map.
- St. Joachim de la Pointe Claire — 1921 · 1921_V1T16, row 1656 unique_contextual_name_candidate
- St. Joachim de la Pointe Claire — 1921 · 1921_V1T27, row 1655 unique_contextual_name_candidate
- St. Joachim de la Pointe Claire — 1921 · 1921_V1T38, row 1655 unique_contextual_name_candidate
Boundary intersections across censuses
These are computed polygon intersections in the equal-area CRS ESRI:102001. Fractions describe the area of the earlier and later polygons, respectively. They do not establish historical succession, and population has not been apportioned by area. All positive intersections are retained, including very small contributions.
| Other census representation | Years (earlier → later) | Overlap (m²) | Fraction of earlier area | Fraction of later area | Evidence |
|---|---|---|---|---|---|
| Ste. Anne du Bout de l'Ile · 1911 | 1911 → 1921 | 0.0997798681096744 | 6.260919945926032e-09 | 3.6538630768207087e-09 | PARTIAL_OVERLAPHistorical succession verified: False |
| Ste. Geneviève · 1911 | 1911 → 1921 | 0.5013344938248209 | 1.1919608492126693e-08 | 1.835848884977134e-08 | PARTIAL_OVERLAPHistorical succession verified: False |
| St. Joachim de la Pointe Claire · 1911 | 1911 → 1921 | 26975455.728649713 | 0.8866428433905351 | 0.9878207251084578 | LATER_WITHIN_EARLIERHistorical succession verified: False |
| St. Laurent · 1911 | 1911 → 1921 | 0.17820466901650323 | 3.62746584084687e-09 | 6.52571979270159e-09 | PARTIAL_OVERLAPHistorical succession verified: False |
| Beaconsfield t-v · 1911 | 1911 → 1921 | 332591.2450913439 | 0.0297918196622286 | 0.012179239090367782 | PARTIAL_OVERLAPHistorical succession verified: False |
| Dorval t-v · 1911 | 1911 → 1921 | 0.1133679707175104 | 1.2411275803149083e-08 | 4.151449086337686e-09 | PARTIAL_OVERLAPHistorical succession verified: False |
| Pointe Claire t-v · 1911 | 1911 → 1921 | 0.08497316064571692 | 1.7301295580280284e-08 | 3.1116526819104523e-09 | PARTIAL_OVERLAPHistorical succession verified: False |
Continuity assessments
- St. Joachim de la Pointe Claire (1911) → St. Joachim de la Pointe Claire (1921): supported_continuity_with_area_separation
Area separations
| Earlier area | Continuing area | Separate area | Retained fraction | Separated fraction | Comparison status |
|---|---|---|---|---|---|
| St. Joachim de la Pointe Claire · 1911 | St. Joachim de la Pointe Claire · 1921 | Pointe Claire, T-V | 0.8866428433905351 | 0.1133571006748738 | later_totals_require_geographic_reconciliation |