Namewise

Lena vs Monica

Lena and Monicacompared on official birth-registration statistics and Namewise's recorded data. This page states what each name's record shows — it never picks a winner or scores one name against the other.

Head to head

Ranks are only compared within one published list and one year. Two ranks from different years, from a boys' and a girls' list, or from different registrars are not comparable, so they are not placed side by side.

  • Norway · Girls

    In 2017, Lena was ranked #125 and Monica #542 among girls in Norway.

  • Republic of Ireland · Girls

    In 2023, Lena was ranked #200 and Monica #727 among girls in Republic of Ireland.

  • Scotland · Girls

    In 2024, Lena was ranked #207 and Monica #790 among girls in Scotland.

  • England and Wales · Girls

    In 2025, Lena was ranked #288 and Monica #1229 among girls in England and Wales.

Lena and Monica over time

Lena and Monica appear together in 3 published lists, across 152 years of shared records. Monica held the stronger position in more years in 2 of them, Lena in 1.

The order between them changed and held in 3 of those lists — a change in that published list, never a claim that one name displaced the other.

Monica reached its own highest recorded position earlier in 2 of those lists, Lena in 1. Each position is a place inside its own list, so this compares when they peaked and never how high.

Counted list by list. Two names in the same published list are measured on the same scale in the same year, so those comparisons are real — but positions from different lists are not, so nothing here is combined into an overall standing.

How this pair is related

The relationship kinds these two qualify for, each under its own stated rule. Every one is drawn from a list they both appear in.

  • One moved ahead of the other

    In 1990, Lena moved ahead of Monica in Norway · Girls — #72 and #47 the year before became #61 and #62.

  • Repeatedly exchanged positions

    Lena and Monica changed places 5 times in Norway · Girls between 1946 and 2017, ending at #125 and #542.

  • Mirrored each other

    Over 69 shared years in Norway · Girls, Lena rose about as far as Monica fell — from #333 and #315 in 1946 to #125 and #542 in 2017.

  • Longest-running competitions

    Lena and Monica were both ranked in England and Wales · Girls for 30 years, from 1996 to 2025, ending at #288 and #1229.

  • Peaked in the same years

    Both reached their highest recorded position in Norway · Girls within 2 years — Lena #20 in 1969, Monica #3 in 1971.

List by list

  • Norway · Girls69 shared years, 1946–2017

    Lena held the stronger position in 27 of those years, Monica in 42.

    Highest recorded here: Lena #20 in 1969, Monica #3 in 1971.

    The order changed in 1990: Lena moved ahead. In 1989 they stood at #72 and #47; by 1990 that had become #61 and #62.

    Most recent shared year, 2017: Lena #125, Monica #542.

  • Republic of Ireland · Girls53 shared years, 1964–2023

    Lena held the stronger position in 19 of those years, Monica in 33.

    Highest recorded here: Lena #78 in 2013, Monica #68 in 1965.

    The order changed in 2003: Lena moved ahead. In 2002 they stood at #352 and #331; by 2003 that had become #403 and #490.

    Most recent shared year, 2023: Lena #200, Monica #727.

  • England and Wales · Girls30 shared years, 1996–2025

    Lena held the stronger position in 20 of those years, Monica in 9.

    Highest recorded here: Lena #128 in 2013, Monica #274 in 1997.

    The order changed in 2006: Lena moved ahead. In 2005 they stood at #567 and #567; by 2006 that had become #461 and #586.

    Most recent shared year, 2025: Lena #288, Monica #1229.

Two names moving past each other in a ranking is a fact about the ranking. Namewise does not claim one name displaced the other, that families chose between them, or that either influenced the other — none of that is in this data.

Where to go next

Comparisons that share a name, a rule or a published list with this one. Each is an existing comparison page with its own evidence — nothing here says these pairs are alike.

Other comparisons involving Lena

Pairs where Lena shares a published list with another name, each measured inside one registrar's own list.

Other comparisons involving Monica

Pairs where Monica shares a published list with another name, each measured inside one registrar's own list.

Other pairs with the same kind of relationship

Pairs that qualify under the same rule as this one — mirrored each other.

All mirrored each other→

Other pairs from Norway lists

Pairs measured inside Norway's own published lists, where this pair's strongest relationship is also recorded. Positions in these lists are not comparable with another registrar's.

Norway overview→

Other pairs ranked together in the 2010s

Pairs both ranked in the same published list at some point between 2010 and 2019.

The 2010s across all registrars→

Side by side

Side-by-side comparison of Lena, Monica
FieldLenaMonica
Record typeEditorially researched profileEditorially researched profile
Gender usagefemalefemale
MeaningA short form of names ending in '-lena', such as Helena, Magdalena or Yelena — widely used independently.Precise meaning uncertain — most likely of Berber or Phoenician origin; since the Middle Ages popularly associated with Latin 'moneo' ('to advise') and Greek 'monos' ('one, single'). Borne by the 4th-century North African saint who was mother of Saint Augustine.
OriginUsed across Swedish, Norwegian, Danish and German traditionsUncertain (Berber or Phoenician)
Pronunciation/ˈleː.na//ˈmoː.ni.kaː/
Syllables23
Common variants / nicknamesNot yet recordedMonika, Mona
Recorded regional usageGB-ENW, GB-NIR, GB-SCT, IE, NOAU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ
Most recent popularity observationRepublic of Ireland · Girls #266 (2025)England and Wales · Girls #1229 (2025)
Pronunciation clarity (demonstration score)90/10090/100
Spelling simplicity (demonstration score)95/10088/100
International familiarity (demonstration score)100/100100/100
Data Confidencemediumhigh

What the data shows

  • Lena is recorded with a Used across Swedish, Norwegian, Danish and German traditions origin, while Monica is recorded with a Uncertain (Berber or Phoenician) origin.
  • Lena has 2 syllables, compared with 3 for Monica.
  • Lena's recorded meaning differs from Monica's — see the table above for each.
  • Both names have recorded usage in GB-ENW, GB-NIR, GB-SCT, IE, NO.
  • The available evidence gives Lena a "medium" Data Confidence level and Monica a "high" level — this reflects how complete and corroborated the underlying evidence is, not a judgement of either name.

How each name got here

Lena

Popularity journey

  1. First recorded1945

    First recorded at #346 among girls in Norway in 1945 — the earliest year that source publishes this name, not necessarily the earliest it was used.

    Norway · Girls

  2. Highest recorded1945–2025

    Highest recorded position: #20 among girls in Norway, in 1969 (recorded 1945–2025).

    Norway · Girls

  3. Most recent2025

    Most recently recorded at #288 among girls in England and Wales, in 2025.

    England and Wales · Girls

Monica

Popularity journey

  1. First recorded1946

    First recorded at #315 among girls in Norway in 1946 — the earliest year that source publishes this name, not necessarily the earliest it was used.

    Norway · Girls

  2. Highest recorded1946–2017

    Highest recorded position: #3 among girls in Norway, in 1971 (recorded 1946–2017).

    Norway · Girls

  3. Most recent2025

    Most recently recorded at #1229 among girls in England and Wales, in 2025.

    England and Wales · Girls