Growing up in England, Trevor was the first name of two people in my school class.
Trevor entered the top 100 boys names list in the 1910s, peaked at 30th in the 1950s and fell out in the 1980s. Below is a bar chart of the individual birth registrations from FreeBMD. What influenced the popularity?

The roots are Welsh. The Trefor surname combines tref, meaning homestead or settlement, and mawr, meaning large. It started to appear as a family surname transfer. Upper-class families used it to preserve a maternal lineage or honour a prominent landowning family, such as the Barons Trevor.
Trevor slowly migrated into England. Over 10% of the Trevors in England in 1921 were born in Wales. The name was part of a broader late-Victorian and Edwardian fashion for adopting Celtic given names.
Parents are often inspired by notable figures and celebrities such as Queen Victoria, Shirley Temple, Princess Diana, and Kylie Minogue. The mid-20th century is where, on top of an existing increase, Trevor experienced its meteoric rise. British actor Trevor Howard became a household name following his starring role in the 1945 film Brief Encounter. His career continued through the 50s and 60s. Also, the post-war era saw a shift to two-syllable names that could be easily shortened to a sharp, single-syllable : Trev, Kev (Kevin), Nev (Neville), and Bev (Beverley).
Trevor’s decline was swift, as it was associated with the baby boomers and Gen X. It became dated, a “dad name.”
In Canada, the name trajectory was similar. Perhaps the most famous Canadian was Trevor Linden, drafted 2nd overall by the Vancouver Canucks in 1988, a franchise captain, and a community leader in British Columbia. Trevor Daley was another NHLer.
I’m planning a couple of follow-on posts on UK first names that are long-lasting, have meteoric rise-and-fall, and show slow-rise and slow-fall trends.


These are essential records, especially before civil registration. The updates are for the other end of the period as they come out of embargo.
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