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Tuesday's Tip - Renumbering RINs and MRINs (Intermediate)

Tuesday's Tip - Renumbering RINs and MRINs (Intermediate)

Tuesday's Tips provide brief how-to's to help you learn to use the Legacy Family Tree software with new tricks and techniques.

Renumbering RINs and MRINs (Intermediate)

As you merge and delete people in your file there will be gaps in the RIN and MRIN numbers. This bloats your file a bit. You can compact your file by having Legacy renumber the RINs and MRINs. WARNING! WARNING! WARNING! If you use the RIN or MRIN numbers as part of your paper or electronic filing system DO NOT DO THIS. If you use TNG to manage your website DO NOT DO THIS. However, for the rest of you this is a good way to make your file a bit more efficient.

Go to Tools > Renumber RINs or MRINs. You are going to make two passes. For the first pass you are going to select "Fill all missing RINs from highest RINs (Compacts the Individual Records)" and then click Apply. For the second pass you are going to select "Fill all Missing MRINs from Highest MRINs (Compacts the Marriage Records)" and then click Apply again.

Renumber RINs dialog box
(click image to enlarge)

You can also have Legacy renumber your RINs on the fly (RINs only, not MRINs. You will need to use the above tool when you want to renumber your MRINs)

Go to Options> Customize > Data Defaults > Option 4.4

Option 4.4
(click image to enlarge)

Notice that there is an (ff) which means this is a family file specific setting. In other words, if you have more than one family file you will have to do step 1 and step 2 for each one. Again, DO NOT DO THIS if you are using RINs as part of your paper or electronic filing system or if you are using TNG to manage your website.

If you import a file into Legacy you will see an option to Renumber the RINs and MRINs ("Fill all existing abandoned  RINs/MRINs" will become active if you chose the first option, Try to keep original ID numbers (RINs). 


Gedcom import screen
(click image to enlarge)

This is a simple way to compact your file to help it run a little more efficiently. This is also for those people (like me) who simply can't stand to see gaps in the numbers on the Name and Marriage Lists.


Find tech tips every day in the Facebook Legacy User Group. The group is free and is available to anyone with a Facebook account.

For video tech tips check out the Legacy Quick Tips page.  These short videos will make it easy for you to learn all sort of fun and interesting ways to look at your genealogy research.

Michele Simmons Lewis, CG® is part of the Legacy Family Tree team at MyHeritage. She handles the enhancement suggestions that come in from our users as well as writing for Legacy News. You can usually find her hanging out on the Legacy User Group Facebook page answering questions and posting tips.


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That is an amazing coincidence. Your post popped up just as I was wanted to make a multiple line of descent book and I realised I had no MRINs - only RINs. How do I get the MRIN to show beside the marriage? Or where should it come? I couldn't get any help from Help.

What is TNG?

TNG = The Next Generation of Genealogy Sitebuilding. This is a program that a lot of the people that do One Name Studies use because those people that belong to the Guild of One Name Studies have free website for members and this is what is required for that. A lot of the One Name Study crowd use Legacy :)

TNG website

Guild for One Name Studies

And here are some Legacy webinars on One Name Studies and One Place Studies

In all of the views (Family, Pedigree, Descendant, Chronology and the Index) you can see the MRIN in the bottom right corner of the screen. It looks like this M:65.

The easiest way is to go to VIEW > MARRIAGE LIST. Here you can sort my MRIN or by SURNAME (or given name)

Thank you, Michele, but you haven't really answered my question. I don't want to know how to go to the MRIN; I know how to do that that. What I want to know is how I can show the actual number by the marriage on the Family screen (just like the RIN after a person's name) and, if possible, on the Pedigree and Descendant screens, too. Most important is the Family screen. I've only just seen your reply here so, I'm sorry, I posted the same query on the Facebook Discussion page.

There is a suggestion in our tracking system for the developers to consider adding the MRIN to the marriage bar on the Family View. There is no place that I can see to put it on the Pedigree View since the marriage information is not displayed in the boxes. In the Descendant View you have the option to display both the spouses MRIN and the Parent's MRIN as one of the customized columns (Options > Customize Columns)

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