Musty Dusty Pre-1500 Source-a-Thon

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Surnames/tags: Source-A-Thon Pre-1500 challenges
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This page is for the Source-a-Thon team only. Click here for other Musty Dusty Team page.


Source-a-Thon 2023

The event starts on Friday, September 29 at 8AM EDT (Noon UTC) and runs until Monday, October 2 at 8AM EDT (Noon UTC)
Sign Up G2G
Source-a-Thon Hangouts
Tracking By Team and User


Rich Devlin - Co- Captain
Marty (Lenover) Acks
John Atkinson

What Do I Do?

Taken from the Source-a-Thon page:
Participating means removing profiles from the Unsourced Profiles category. They cannot be profiles that you created.

Select an Open (white) profile from anywhere in the category or one of its subcategories and search for sources to back up the facts of the person's life.

See the Pre-1500 Resource page, for some suggested sources. A source cannot be another family tree, such as Geni or an Ancestry Member Tree.

If you find a valid source:

If you find a valid source:
  1. Edit the profile to add the source, according to our Sources guide.
  2. Remove the {{Unsourced}} Research Note Box tag.
  3. Save the profile and click the Challenge Tracker button.
  4. On the Challenge Tracker, select the Source-a-Thon checkbox.
Visit the Source-a-Thon Instruction Video
for a step-by-step walkthrough of these instructions.

If you don't find a source after searching, please add a Research Notes section to the profile. Say where you have looked and sign your comment with four tildes (~~~~) so it is dated. For example: "Looked for John in the US Census records for 1900-1940 and couldn't find him on FamilySearch or Ancestry." This way the next researcher knows where to start.

Lists of Unsourced Profiles

Here is the official list of Unsourced profiles for the current Source-a-Thon. There are lists for European countries and for England counties. Select the list for the area you are planning to work. Click on the number in the 0000-0000 or the 0001-1499 columns to find pre-1500 unsourced profiles.

Gedcom list

I'm sure there is no shortage of profiles for the Musty Dusty to work on for Source A Thon. I've been going through GEDCOM (to find profiles for other teams), and the gedfile 104-B.ged has lots of pre1500 profiles.

I can send you a CSV generated using BioCheck (or instructions to create it). I looked at the CSV and there were 713 profiles born before 1500. Assuming the BioCheck sources review is fairly accurate (has been for other GEDCOM), 393 profiles are possibly unsourced but not marked. There are 224 profiles marked Unsourced and another 97 probably sourced.

Okay, here's instructions to create the report. Start BioCheck then select WikiTree+ Search Results. Use the search text gedfile=104-B.ged and set Max Search Profiles, Max to Check, and Max to report to 5000. For Profiles to report, select Profiles for Review. Click Check Profiles. This may take 15 minutes or so. When done you can download CSV.

Glad I could help. I found this because we have a list of (some) GEDCOM for the GEDImprove (GEDI) "challenge". (See Space:GEDImprove and

We've been going through the (larger) list of GEDCOM to see if there are some that would be good to add to the GEDI list for the SourceAThon. Obviously, only a few folks would be interested in the Pre-1500, but the GEDCOM often have other profiles that might be of interest. We can add to the list of GEDCOM (but don't want too many). Here's the list of ones we've found that have pre1500, along with some other notes about the GEDCOM. Let me know if you want any added. Since these are on the GEDI list, all were imported by a PM who no longer has an active account. The Bwiki has a number of folks who migrated from England to Utah as Morman pioneers.

GEDCOM Import Date Status Profiles Project Locations / Comments Profiles to Improve Suggest Style Unsourced Maybe Good for SAT?
104-B.ged 2010 4019 Lost & Found France, England, Netherlands; Many Pre-1500 3110 1610 2739 446 1647 Maybe
breesefam.ged 2011 3076 Many Pre-1500; many Pre-1700 2259 899 1894 372 1571 Maybe; 161 undated
Bwiki.ged 2011 3616 England, United States (Utah), Iceland; Many Pre1500/1700 2892 1201 2508 374 2211 No; 524 undated
FAMILY_6162011.GED 2011 3375 United States, England; many Pre-1500 1231 1155 355 388 629 No; 124 undated
FISCUS_Family_Tree.ged 2011 1686 England, United States; many Pre-1500 951 492 197 305 529 No
me_2013-04-04.ged 2013 958 England, Canada, many pre-1500 2415 201 1082 373 1726 no - 1500 private, many with no dates
paul_clare_family_tree_(1).ged 2011 1078 England, many Pre-1500 905 290 834 131 419 no
Smith-Hunter.ged 2011 4110 England, France, United States, several pre-1500 3255 1094 3000 327 2127 yes

From Kay (Sands) Knight - Thank you Kay

Source-a-Thon 2022

The event starts on Friday, September 30 at 8AM EDT (Noon UTC) and runs until Monday, October 3 at 8AM EDT (Noon UTC)
G2G - Sign up
Source-a-Thon Hangouts
Tracking By Team and User


Rich Devlin - Co Captain
Marty (Lenover) Acks - Co Captain
Debra (Downs) Allison
Ron Lamoreaux
John Atkinson

Source-a-Thon 2021

Starts Friday, October 1 at 8 AM (ET) and ends Monday, October 4, 8 AM (ET)
[https://www.This page is for the Source-a-Thon team only. Click here for other Musty Dusty Team page.


Rich Devlin - Leader
Marty (Lenover) Acks
Chris Gilbert
John Atkinson
Ron Lamoreaux

Source-a-Thon 2020

October 2 - October 5 is our fifth "Source-a-Thon".

The party starts Friday morning, October 2, at 8 AM (ET) and runs until Monday, October 5, at 8 AM (ET). (Eastern Daylight Time is GMT -4.) -4.)


Name Other Areas
Marty Acks Scotland (Renfrewshire, Ayrshire focus)
Richard Devlin Ireland
Janet Gunn
John Atkinson
Chris Gilbert England midland counties and maybe south west

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Thank you to The Musty Dusty Team for your participation in the 2023 Source-a-Thon from your friends on Team Nordic Noir! We appreciate all of your contributions to the global tree and look forward to participating with you in the next WikiTree Thon. All of the work you do on these early profiles is amazing!

Jeffrey (Wall -7415), Captain for Team Nordic Noir

posted by Jeffrey Wall
Thank you for participating in the October 2023 Source-a-Thon, and contributing to the accuracy of our global tree!

See you at the next marathon! Azure, Sondra, & the Western Red Cedars

posted by Azure Robinson
From the Mighty Oaks teams, to your, team thanks for joining in the Sourcing weekend. We all did a great job this weekend, thank you, a job well done, we hope you had fun.

Thanks again for this weekend, you rock

Joan, Janet, Maddy and Fran

posted by Janet (Langridge) Wild
Rocky the Appalachian

From our team, Appalachia Roots, to yours, thanks for joining in a fun Sourcing weekend!

We had a great time participating with all your members. They were awesome! Can't wait to do it again at the next Thon in 2024.


Patty & Sandy - Appalachia Roots Co Captains

posted by Sandy (Craig) Patak
Team Dutch Genealogists is thanking you for the great collaboration during this Source-a-Thon. We are happy with the improvement of our One World Tree, we did great. As WikiTree veterans, it was good to be back again, and enjoying this weekend together.

Warm regards on behalf of all of the Dutch Genealogists,

Margreet and Joan

Dutch Genealogists says "Thank you".
posted by Joan Hollander
Huge thanks from the Mighty Oaks Roots and Branches for your contributions in the 2022 Source-a-Thon!

We all had a good time and hope to see you in the next Thon :)

Mighty Oaks

Joan, Janet, Maddy and Fran

Thank you for your contributions to the Source A Thon 2022 from your cousins the Welsh Dragons!


posted by Hilary (Buckle) Gadsby
Thank you to all on Team Musty Dusty for all yeer sourcing during Source-a-Thon 2022! Go raibh míle maith agaibh go léir!

Thanks to all our efforts there are now 63,445 less unsourced profiles in our shared tree.

We hope to see ye in future 'thons!

- Feargal, Jen and all the Irish Seanchaithe.
posted by Feargal Hennigan
Thank you for participating in the October 2022 Source-a-Thon, and contributing to the accuracy of our global tree!

See you at the next marathon!

Azure, Sondra, & the Western Red Cedars

posted by Azure Robinson
What a fantastic Source-a-Thon!

.Team Virginia thanks you for sourcing profiles during the Thon!!! It was a blast! We look forward to seeing you at the next one.

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posted by Mindy Silva

Well, it was a fun weekend, we hope you enjoyed yourself. Thank you for joining the fun. The total overall figure was 56,972 profiles sourced.

Thanks again for this weekend, we look forward to working with you on the next Thon

Mighty Oaks

Thank you Musty Dusty for participating in the 2021 Source-a-Thon. You added 197 sources and made our global tree healthier in the process. It was an honor to work with you!

Mindy Silva & Sandy Patak

Team Virginia
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posted by Mindy Silva
Thanks for participating in this year's Source-a-Thon!

Western Red Cedars

posted by Azure Robinson

The Mighty Oaks thank you for the sources you added to WikiTree during the Source-a-Thon. We appreciate all that you did! It was another great showing of community collaboration. We hope you had fun and are looking forward to the next thon.

We at Nor'Easters wish you the best of luck in the 2020 Source-a-thon. Just over 8 hours to go before we kick it into high gear. And remember, HAVE FUN!!!!!
posted by Steven Tibbetts