Family History Timeline Builder - Build and Sort Your Family Timeline Online

Use the free tool below: your data never leaves your browser — all work happens on your device, and nothing is uploaded to any server.

Why a timeline beats a pile of notes

Family research collects facts fast: a birth here, a marriage there, a census entry, a military record, a move to another town. Left as notes, those facts hide their own story. Put them on a timeline, and gaps, contradictions and patterns jump out. A ten-year gap between children may mean a missing child, a second marriage, or a move. A man who appears in two towns in the same year may be two men with the same name. A timeline turns a pile of facts into a life you can check.

The builder below is a real working tool, not a sample. You add events with a year, a title and an optional note, and it sorts them into order, shows the span of the life, and lets you copy the timeline or download it as a text file. Everything stays in your browser: nothing is uploaded, and nothing is saved on a server. That matters for family notes, which often include details about living people.

How to use the builder

Type an event title, such as “Married Mary Smith”.
Enter the year. Use the best year you have, even if it is approximate.
Add a note if you want, such as the place or the source.
Click “Add event” and repeat for every fact you have.
Read the sorted timeline, then copy it or download it for your notes.

A worked example

Take a man called Thomas, born in 1875. Add his birth, then his appearance in the 1891 census as a farm worker, his marriage in 1898, the births of his children in 1899, 1902 and 1907, his move to a new town in 1910, and his death in 1935. Sorted, the timeline runs from 1875 to 1935, a span of 60 years. The gap between 1902 and 1907 stands out at once: was there another child who died young, or a gap in your records? The move in 1910 raises another question: did the family move for work, and do the children appear in school records in the new town?

Now add uncertain events. If a record says Thomas was “about 40” in 1911, that points to a birth around 1871, not 1875. Put both on the timeline as separate notes and the clash is visible. That clash is valuable: it tells you to check the birth record again, or to consider whether the 1911 man is a different Thomas. Timelines do not just organise facts; they expose the facts that do not fit.

What to put on a timeline

Start with the big life events: birth, baptism, marriage, children’s births, death and burial. Then add the records that pin a person to a place and time: census entries, military service, electoral rolls, trade directories, passenger lists and wills. Each of these is an event with a year, even if it is not a life event. A census entry in 1901 is proof the person was alive and living somewhere in 1901, which rules out a death record dated 1899 for the same person.

Also add family context. A parent’s death, a sibling’s marriage or a town’s factory opening can explain a move or a gap. If three siblings all left the same village in the same decade, the cause may be work, not coincidence. Notes are the place for this context: keep the title short, and put the source and the detail in the note, so the timeline stays readable while the evidence stays attached.

Handling uncertain years

Real research is full of approximate years. A gravestone may give an age at death, a census may give an age rounded to the nearest five years, and a marriage record may give no age at all. When you only have a range, pick the middle year for the timeline and put the range in the note, such as “born 1873-1877, from age at death”. That keeps the timeline in order while staying honest about the uncertainty. Never quietly treat a guess as a fact: the note is what stops a guess from hardening into a false fact later.

The same honesty applies to places. If a record says “Yorkshire” and another says “York”, do not merge them into one event. Keep both, note both sources, and let the timeline show the narrowing picture. Over time, the pile of small clues usually converges on one place, and the timeline shows you when it does.

Using the timeline to break brick walls

Timelines also help you share research. A relative who will not read a twenty-page report will read a one-page timeline. Copy it into an email, download it for a family gathering, or print it for an archive visit. And remember the limits: this builder is a research aid only. Estimates and dates are approximate, and conclusions need primary sources. A tidy timeline is a tool for checking facts, not a substitute for them.

Family History Timeline Builder – Build and Sort Your Family Timeline Online