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NOTE: Information shown below has been voluntarily submitted by individuals interested in establishing mutually desired contact between half-siblings and/or donors (genetic relatives).

Disclaimer: This registry is intended strictly for informational purposes, and is neither endorsed nor supported by any individual or organization. Please note that while access to this list is restricted to individuals over 18 years of age, it is up to each and every parent to supervise and monitor their child's use of the Internet.

Posted by Parent
Posted by Sperm Donor
Posted by Egg Donor
Posted By Offspring (Male)
Posted by Offspring (Female)
Posted by Offspring (No Gender Specified)
Has Medical Info
Has Photos
Donor Q&A
Donor Match
Sibling Match

New England Cryogenic Center (NECC)

Sperm Bank

Also known as New England Sperm Bank. Started in 1982. There should be a letter in front of the donor number. Also has some Rocky Mt. Cryobank donor numbers. Older NECC numbers (like the single digit ones) seem to have PD-?, which was listed as only D-? on later donor lists. These may also have I-? as an identifier on the profile pages. 2016 NOTE: New England Cryogenic (NECC) refuses to give former donors their own donor numbers. A donor just called them for his donor number and was told "we don't do that". This is deliberately trying to keep donors from (sharing medical information with) offspring and their families.


Donor ID & Info Offspring / Contact Info
Donor ID: D-237
  • I am a Female
  • Male
  • Read message posted 12/25/23
  • Updated on 12/25/23
  • donor_offspring
  • Irish/English.
  • Height: 5'10".
  • Blue eyes.
  • Fair complexion.
  • Med school.
  • Child born Apr 29 2009
  • Read message posted 03/11/21
  • Updated on 03/11/21
  • parent
  • Started donating 1989.
  • Irish/English.
  • I'm the mother of twin girls born in the UK. Always happy to make contact and will pass on messages to my daughters straightaway.
  • Female born Feb 2 2001
  • Female born Feb 2 2001
  • Posted 04/25/20
  • Updated on 04/24/20
  • parent
  • Born 1966.
  • Irish/English.
  • Height: 5' 10''.
  • Blood type A+
  • Weight: 165.
  • Blonde hair.
  • Blue eyes.
  • I am a Female born Oct 23 2000
  • Read message posted 04/23/20
  • Updated on 04/23/20
  • donor_offspring
  • Female born Jul 3 2002
  • Read message posted 07/10/07
  • Updated on 03/11/16
  • parent
  • Female born Dec 6 2002
  • Male born Sep 13 2004
  • Posted 05/16/06
  • Updated on 03/14/09
  • parent
  • Born 1966.
  • English, Irish.
  • Height: 5'10".
  • Weight: 165.
  • Blonde Straight hair.
  • Blue eyes.
  • Fair complexion.
  • Female born Oct 3 2005
  • Read message posted 02/02/06
  • Updated on 03/14/09
  • parent
  • White.
  • Blood type A+
  • Blonde Straight hair.
  • Blue eyes.
  • M.D., Harvard Univ., Boston, MA.
  • Medical Student.
  • Running, Classical Music.
  • Female born Jan 7 1999
  • Female born Nov 29 2000
  • Female born Nov 29 2000
  • Read message posted 01/09/06
  • Updated on 03/14/09
  • parent
There are a total of 13 offspring, 12 sibling matches, and 0 donor to offspring matches for this donor.