Join us!

Membership in the Olin Family Society is free and open to all descendants (including spouses) of John OLIN and Susannah SPENCER. To join, use the OFS Membership Request Form. Membership includes an account on this site. For more information, contact Genealogist Tom Olin via our Contact page.

Show us your lineage!

I have added a profile field for storing your OLIN lineage. I encourage all users to type in their lines so that other users can figure out how you're related.

To add your lineage or to see someone else's, you must be logged in to this site. Click on My Account > Edit > Personal Information and fill in the Lineage box as shown in the instructions.

To find someone else's lineage, search for them by name using the Search box and then click on the Users search results.

OFS Selects Ashtabula for 2016 International Reunion

At a council meeting today, the OFS selected Ashtabula, Ohio, as the site of the 2016 International Olin Reunion. The event is expected to take place sometime in July of that year. Further details will be forthcoming as plans develop.

Organizing an OFS International Reunion

Since the Olin Family Society officially organized in 1992, there have been 4 International Reunions held at 5 year intervals. These 3-day events are attended by Olin relatives from the United States and Canada and typically attract 125 participants. The first International Reunion was held in Fargo North Dakota in August 1996. It was the first continent-wide gathering of Olin's in several generations. The second such reunion was held in 2001 in Binghamton, New York. The third international Olin reunion was held in August 2006 in Kennewick, Washington.

Maretta Olan Fair (1929-2014)

I am saddened to report that Maretta Olan Fair passed away on Monday, January 20. She was the mother of Jo-Anne Moriarty, the founding president of the OFS.

Neither Maretta nor her late husband Joe ever held official positions in the organization, but they were actively involved from the very beginning. They participated in multiple organizational meetings, including hosting one at their home in Lakefield, Ontario. Both continued to attend family reunions and activities as long as they were able.

Ashtabula Reunion Date Change

I was just informed that the Ashtabula reunion will be on July 13, not July 20 as published in the 2013 newsletter. I've updated the Reunions page accordingly.


Hello! My name is Carrie. I am the child of John Ward Olin III. I am new to this site. I have never blogged before. Just wanted to say hello! I am anxious to meet my fellow family members.

Connection to Abraham Lincoln

John and Susannah's oldest son, Joseph married Mary Aylesworth. Mary's Great-Great-Grandparents include Obediah Holmes and Katherine Hyde (through their daughter Mary Holmes). According to the Holmes family history, their most famous descendant is Abraham Lincoln (they are his 5th Great Grandparents through their daughter Lydia Holmes). If this information is correct, then the Great Grandchildren of Joseph Olin and Mary Aylesworth would be 6th cousins to Abraham Lincoln.

A family, by the numbers

How big is your Olin family? I don't know if it's as big as some of your other lines, but it is quite sizable.

The table below shows the size of the John Olin and Susannah Spencer family through 13 generations. Only direct descendants of John are shown -- no spouses.

The incremental column shows how many Olins there are in each generation. For example, the only Olin in generation 1 is John. The second generation consists of his 4 children, and so on.

The cumulative column shows the total number of Olins starting with John.

Web Cards Updated

I have just updated the web family cards under the Genealogy link. I've refined my method of identifying people who can be listed safely without listing any still-living people. As a result, you'll find more people than have been listed before.

Please check your own family line. If you know that I can safely list more ancestors on your line, you can help me do so by sending me dates of death, even if only approximate, for those people who are not listed.

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