Skip to main content Accessibility help
×
Home
Hostname: page-component-7f7b94f6bd-8p2w5 Total loading time: 0.274 Render date: 2022-07-01T04:21:58.041Z Has data issue: true Feature Flags: { "shouldUseShareProductTool": true, "shouldUseHypothesis": true, "isUnsiloEnabled": true, "useRatesEcommerce": false, "useNewApi": true } hasContentIssue true

ESTIMATES OF COUSIN MARRIAGE AND MEAN INBREEDING IN THE UNITED KINGDOM FROM ‘BIRTH BRIEFS’

Published online by Cambridge University Press:  02 February 2001

MALCOLM T. SMITH
Affiliation:
Department of Anthropology, University of Durham, 43 Old Elvet, Durham

Abstract

From 626 ascendant genealogies, known as ‘birth briefs’, deposited by members of the Society of Genealogists in their London library, rates of consanguineous marriage and coefficients of mean inbreeding (α) of offspring were estimated for cohorts of marriages contracted in the late nineteenth and early twentieth centuries. The rate of first cousin marriage in the generation estimated to have married during the 1920s was 0·32%, with no marriages between second cousins. The mean inbreeding coefficient for the offspring of these marriages was estimated as 0·0002. In the previous generation 1·12% of the marriages were between first cousins, and the estimate of mean inbreeding was 0·0007. Comparison with data taken from the published literature suggests that the levels of cousin marriage observed are consistent with a secular decline during the late nineteenth and twentieth centuries.

Type
Research Article
Copyright
© 2001 Cambridge University Press

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)
8
Cited by

Save article to Kindle

To save this article to your Kindle, first ensure coreplatform@cambridge.org is added to your Approved Personal Document E-mail List under your Personal Document Settings on the Manage Your Content and Devices page of your Amazon account. Then enter the ‘name’ part of your Kindle email address below. Find out more about saving to your Kindle.

Note you can select to save to either the @free.kindle.com or @kindle.com variations. ‘@free.kindle.com’ emails are free but can only be saved to your device when it is connected to wi-fi. ‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply.

Find out more about the Kindle Personal Document Service.

ESTIMATES OF COUSIN MARRIAGE AND MEAN INBREEDING IN THE UNITED KINGDOM FROM ‘BIRTH BRIEFS’
Available formats
×

Save article to Dropbox

To save this article to your Dropbox account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you used this feature, you will be asked to authorise Cambridge Core to connect with your Dropbox account. Find out more about saving content to Dropbox.

ESTIMATES OF COUSIN MARRIAGE AND MEAN INBREEDING IN THE UNITED KINGDOM FROM ‘BIRTH BRIEFS’
Available formats
×

Save article to Google Drive

To save this article to your Google Drive account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you used this feature, you will be asked to authorise Cambridge Core to connect with your Google Drive account. Find out more about saving content to Google Drive.

ESTIMATES OF COUSIN MARRIAGE AND MEAN INBREEDING IN THE UNITED KINGDOM FROM ‘BIRTH BRIEFS’
Available formats
×
×

Reply to: Submit a response

Please enter your response.

Your details

Please enter a valid email address.

Conflicting interests

Do you have any conflicting interests? *